{"id":655,"date":"2024-09-26T10:15:53","date_gmt":"2024-09-26T02:15:53","guid":{"rendered":"http:\/\/www.daimuya.cn:3389\/?p=655"},"modified":"2024-09-26T10:15:53","modified_gmt":"2024-09-26T02:15:53","slug":"datacom-bgp","status":"publish","type":"post","link":"http:\/\/www.daimuya.cn:3389\/index.php\/2024\/09\/26\/datacom-bgp\/","title":{"rendered":"datacom-BGP"},"content":{"rendered":"<h1>BGP<\/h1>\n<ul>\n<li>\u6982\u8ff0\n<ul>\n<li>\u524d\u8a00\n<ul>\n<li>BGP&amp;BGP4+ Basic\n<ul>\n<li>\u4e3a\u4e86\u6ee1\u8db3\u5927\u89c4\u6a21\u8def\u7531\u7684\u9700\u6c42\uff0c\u9700\u8981\u901a\u8fc7BGP\uff08Border Gateway Protocol\uff09\u5728AS\u4e4b\u95f4\u4f20\u9012\u6570\u91cf\u5e9e\u5927\u7684IPv4\u3001v6\u8def\u7531\uff0c\u5e76\u4e14\u901a\u8fc7\u5404\u79cd\u7b56\u7565\u8fdb\u884c\u8def\u5f84\u7684\u9009\u53d6\uff0c\u63a7\u5236\u7b49\uff1b\u6b64\u5916\uff0c\u4e3a\u4e86\u6ee1\u8db3MPLS VPN\u7684\u4e1a\u52a1\uff0c\u5728AS\u5185\u53caAS\u95f4\u9700\u8981MP-BGP\u3002\u9488\u5bf9\u4e0a\u8ff0\u9700\u6c42\uff0c\u672c\u7ae0\u8282\u5c06\u4ecb\u7ecdBGP\u539f\u7406\u4ee5\u53caBGP\u5bf9IPv6\u7684\u6269\u5c55\u7279\u6027\u2014BGP4+\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP Advance &amp; Internet\n<ul>\n<li>BGP\u63d0\u4f9b\u5404\u79cd\u9ad8\u7ea7\u7279\u6027\u4e0e\u6280\u672f\u4f9b\u4f7f\u7528<\/li>\n<li>\u5408\u7406\u8fd0\u7528\u5404\u79cd\u7279\u6027\u4e0e\u6280\u672f\u53ef\u63d0\u5347\u7f51\u7edc\u6027\u80fd<\/li>\n<li>BGP\u7f51\u7edc\u53ef\u80fd\u5b58\u5728\u7684\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n<li>\u76ee\u6807\n<ul>\n<li>BGP&amp;BGP4+ Basic\n<ul>\n<li>\u7406\u89e3BGP\u57fa\u672c\u539f\u7406<\/li>\n<li>\u7406\u89e3BGP4+\u57fa\u672c\u539f\u7406<\/li>\n<li>\u638c\u63e1BGP\u57fa\u672c\u914d\u7f6e\u547d\u4ee4<\/li>\n<li>\u719f\u6089BGP\u57fa\u672c\u6545\u969c\u6392\u67e5\u601d\u8def<\/li>\n<\/ul>\n<\/li>\n<li>BGP Advance &amp; Internet\n<ul>\n<li>\u719f\u6089BGP\u5728\u5927\u89c4\u6a21\u8def\u7531\u573a\u666f\u4e0b\u7684\u5e38\u7528\u5de5\u5177\u53ca\u6280\u672f<\/li>\n<li>\u4e86\u89e3BGP\u7684\u5404\u79cd\u6269\u5c55\u7279\u6027\u548c\u589e\u5f3a\u7279\u6027<\/li>\n<li>\u7406\u89e3Internet\u8bbe\u8ba1\u7684\u6982\u5ff5<\/li>\n<li>\u638c\u63e1BGP\u5c5e\u6027\u914d\u7f6e\u548c\u6545\u969c\u6392\u67e5<\/li>\n<\/ul>\n<\/li>\n<li>BGP Basic\n<ul>\n<li>BGP\u539f\u7406\n<ul>\n<li>BGP\u6982\u8ff0\n<ul>\n<li>\u5916\u90e8\u7f51\u5173\u534f\u8bae\n<ul>\n<li>BGP\u662f\u4e00\u79cd\u5916\u90e8\u7f51\u5173\u534f\u8bae\uff08EGP\uff09\u3002<\/li>\n<li>\u4e0eOSPF\u3001RIP\u7b49\u5185\u90e8\u7f51\u5173\u534f\u8bae\uff08IGP\uff09\u4e0d\u540c\u3002<\/li>\n<li>\u5176\u7740\u773c\u70b9\u4e0d\u5728\u4e8e\u81ea\u52a8\u53d1\u73b0\u7f51\u7edc\u62d3\u6251\uff0c\u800c\u5728\u4e8e\u5728AS\u4e4b\u95f4\u9009\u62e9\u6700\u4f73\u8def\u7531\u548c\u63a7\u5236\u8def\u7531\u7684\u4f20\u64ad\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f7f\u7528TCP\u4f5c\u4e3a\u5176\u4f20\u8f93\u5c42\u534f\u8bae\n<ul>\n<li>BGP\u4f7f\u7528TCP\u4f5c\u4e3a\u5176\u4f20\u8f93\u5c42\u534f\u8bae\uff08\u76d1\u542c\u7aef\u53e3\u53f7\u4e3a179\uff09\u3002<\/li>\n<li>\u63d0\u9ad8\u4e86\u534f\u8bae\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li>\u4e14\u4e0d\u9700\u8981\u4e13\u95e8\u7684\u673a\u5236\u6765\u786e\u4fdd\u8fde\u63a5\u7684\u53ef\u63a7\u6027\u3002<\/li>\n<li>BGP\u8fdb\u884c\u57df\u95f4\u7684\u8def\u7531\u9009\u62e9\uff0c\u5bf9\u534f\u8bae\u7684\u7a33\u5b9a\u6027\u8981\u6c42\u975e\u5e38\u9ad8\uff0c\u7528TCP\u534f\u8bae\u7684\u9ad8\u53ef\u9760\u6027\u6765\u4fdd\u8bc1BGP\u534f\u8bae\u7684\u7a33\u5b9a\u6027\u3002\n<ul>\n<li>BGP\u7684\u5bf9\u7b49\u4f53\u4e4b\u95f4\u5fc5\u987b\u5728\u903b\u8f91\u4e0a\u8fde\u901a\uff0c\u5e76\u8fdb\u884cTCP\u8fde\u63a5\u3002\u76ee\u7684\u7aef\u53e3\u53f7\u4e3a179\uff0c\u672c\u5730\u7aef\u53e3\u53f7\u4efb\u610f\u3002<\/li>\n<li>\u8def\u7531\u66f4\u65b0\u65f6\uff0cBGP\u53ea\u53d1\u9001\u66f4\u65b0\u7684\u8def\u7531\uff0c\u5927\u5927\u51cf\u5c11\u4e86BGP\u4f20\u64ad\u8def\u7531\u6240\u5360\u7528\u7684\u5e26\u5bbd\uff0c\u9002\u7528\u4e8e\u5728Internet\u4e0a\u4f20\u64ad\u5927\u91cf\u7684\u8def\u7531\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u652f\u6301CIDR<\/li>\n<li>\u589e\u91cf\u66f4\u65b0<\/li>\n<li>\u8def\u5f84\u77e2\u91cf\u8def\u7531\u534f\u8bae<\/li>\n<li>\u65e0\u73af\u8def\n<ul>\n<li>BGP\u4ece\u8bbe\u8ba1\u4e0a\u907f\u514d\u4e86\u73af\u8def\u7684\u53d1\u751f\u3002\n<ul>\n<li>AS\u4e4b\u95f4\uff1aBGP\u901a\u8fc7\u643a\u5e26AS\u8def\u5f84\u4fe1\u606f\u6765\u6807\u8bb0\u9014\u7ecf\u7684AS\uff0c\u5e26\u6709\u672c\u5730AS\u53f7\u7684\u8def\u7531\u5c06\u88ab\u4e22\u5f03\uff0c\u4ece\u800c\u907f\u514d\u4e86\u57df\u95f4\u4ea7\u751f\u73af\u8def\u3002<\/li>\n<li>AS\u5185\u90e8\uff1aBGP\u5728AS\u5185\u5b66\u5230\u7684\u8def\u7531\u4e0d\u518d\u901a\u544a\u7ed9AS\u5185\u7684BGP\u90bb\u5c45\uff0c\u907f\u514d\u4e86AS\u5185\u4ea7\u751f\u73af\u8def\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u7b56\u7565\u4e30\u5bcc\n<ul>\n<li>BGP\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8def\u7531\u7b56\u7565\uff0c\u80fd\u591f\u5bf9\u8def\u7531\u5b9e\u73b0\u7075\u6d3b\u7684\u8fc7\u6ee4\u548c\u9009\u62e9\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53ef\u9632\u6b62\u8def\u7531\u632f\u8361\n<ul>\n<li>BGP\u63d0\u4f9b\u4e86\u9632\u6b62\u8def\u7531\u632f\u8361\u7684\u673a\u5236\uff0c\u6709\u6548\u63d0\u9ad8\u4e86Internet\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6613\u4e8e\u6269\u5c55\n<ul>\n<li>BGP\u6613\u4e8e\u6269\u5c55\uff0c\u80fd\u591f\u9002\u5e94\u7f51\u7edc\u65b0\u7684\u53d1\u5c55\u3002<\/li>\n<li>\u4e3b\u8981\u662f\u901a\u8fc7TLV\u8fdb\u884c\u6269\u5c55\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u57fa\u672c\u6982\u5ff5\n<ul>\n<li>BGP\u662f\u4e00\u79cd\u7528\u4e8e\u81ea\u6cbb\u7cfb\u7edf\uff08Autonomous System\uff09\u4e4b\u95f4\u7684\u52a8\u6001\u8def\u7531\u534f\u8bae\u3002<\/li>\n<li>\u65e9\u671f\u53d1\u5e03\u7684\u4e09\u4e2a\u7248\u672c\u5206\u522b\u662fBGP-1\uff08RFC1105\uff09\u3001BGP-2\uff08RFC1163\uff09\u548cBGP-3\uff08RFC1267\uff09\uff0c\u4e3b\u8981\u7528\u4e8e\u4ea4\u6362AS\u4e4b\u95f4\u7684\u53ef\u8fbe\u8def\u7531\u4fe1\u606f\uff0c\u6784\u5efaAS\u57df\u95f4\u7684\u4f20\u64ad\u8def\u5f84\uff0c\u9632\u6b62\u8def\u7531\u73af\u8def\u7684\u4ea7\u751f\uff0c\u5e76\u5728AS\u7ea7\u522b\u5e94\u7528\u4e00\u4e9b\u8def\u7531\u7b56\u7565\u3002<\/li>\n<li>\u5f53\u524d\u4f7f\u7528\u7684\u7248\u672c\u662fBGP-4\uff08RFC4271\uff09\u3002<\/li>\n<li>BGP\u4f5c\u4e3a\u4e8b\u5b9e\u4e0a\u7684Internet\u5916\u90e8\u8def\u7531\u534f\u8bae\u6807\u51c6\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8eISP\u4e4b\u95f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u5de5\u4f5c\u539f\u7406\n<ul>\n<li>\u62a5\u6587\u7c7b\u578b\n<ul>\n<li>\u62a5\u6587\u7c7b\u578b\n<ul>\n<li>Open\u62a5\u6587\n<ul>\n<li>\u534f\u5546BGP\u53c2\u6570<\/li>\n<li>Open\u6d88\u606f\uff0c\u662fTCP\u8fde\u63a5\u5efa\u7acb\u540e\u53d1\u9001\u7684\u7b2c\u4e00\u4e2a\u6d88\u606f<\/li>\n<li>\u7528\u4e8e\u5efa\u7acbBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684\u8fde\u63a5\u5173\u7cfb\u3002<\/li>\n<li>\u5bf9\u7b49\u4f53\u5728\u63a5\u6536\u5230Open\u6d88\u606f\u5e76\u534f\u5546\u6210\u529f\u540e\uff0c\u5c06\u53d1\u9001Keepalive\u6d88\u606f\u786e\u8ba4\u5e76\u4fdd\u6301\u8fde\u63a5\u7684\u6709\u6548\u6027\u3002<\/li>\n<li>\u786e\u8ba4\u540e\uff0c\u5bf9\u7b49\u4f53\u95f4\u53ef\u4ee5\u8fdb\u884cUpdate\u3001Notification\u3001Keepalive\u548cRoute-Refresh\u6d88\u606f\u7684\u4ea4\u6362\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Update\u62a5\u6587\n<ul>\n<li>\u4ea4\u6362\u8def\u7531\u4fe1\u606f<\/li>\n<li>Update\u6d88\u606f\uff1a\u7528\u4e8e\u5728\u5bf9\u7b49\u4f53\u4e4b\u95f4\u4ea4\u6362\u8def\u7531\u4fe1\u606f\u3002\u4e00\u6761Update\u6d88\u606f\u53ef\u4ee5\u53d1\u5e03\u591a\u6761\u5c5e\u6027\u76f8\u540c\u7684\u53ef\u8fbe\u8def\u7531\u4fe1\u606f\uff0c\u4e5f\u53ef\u4ee5\u64a4\u9500\u591a\u6761\u4e0d\u53ef\u8fbe\u8def\u7531\u4fe1\u606f\u3002\n<ul>\n<li>\u4e00\u6761Update\u6d88\u606f\u53ef\u4ee5\u53d1\u5e03\u591a\u6761\u5177\u6709\u76f8\u540c\u8def\u7531\u5c5e\u6027\u7684\u53ef\u8fbe\u8def\u7531\uff0c\u8fd9\u4e9b\u8def\u7531\u53ef\u5171\u4eab\u4e00\u7ec4\u8def\u7531\u5c5e\u6027\u3002\u6240\u6709\u5305\u542b\u5728\u4e00\u4e2a\u7ed9\u5b9a\u7684Update\u6d88\u606f\u91cc\u7684\u8def\u7531\u5c5e\u6027\u9002\u7528\u4e8e\u8be5Update\u6d88\u606f\u4e2d\u7684NLRI\uff08NetworkLayer Reachability Information\uff09\u5b57\u6bb5\u91cc\u7684\u6240\u6709\u76ee\u7684\u5730\uff08\u7528IP\u524d\u7f00\u8868\u793a\uff09\u3002<\/li>\n<li>\u4e00\u6761Update\u6d88\u606f\u53ef\u4ee5\u64a4\u9500\u591a\u6761\u4e0d\u53ef\u8fbe\u8def\u7531\u3002\u6bcf\u4e00\u4e2a\u8def\u7531\u901a\u8fc7\u76ee\u7684\u5730\uff08\u7528IP\u524d\u7f00\u8868\u793a\uff09\uff0c\u6e05\u695a\u7684\u5b9a\u4e49\u4e86BGPSpeaker\u4e4b\u95f4\u5148\u524d\u901a\u544a\u8fc7\u7684\u8def\u7531\u3002<\/li>\n<li>\u4e00\u6761Update\u6d88\u606f\u53ef\u4ee5\u53ea\u7528\u4e8e\u64a4\u9500\u8def\u7531\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u5305\u62ec\u8def\u5f84\u5c5e\u6027\u6216\u8005NLRI\u3002\u76f8\u53cd\uff0c\u4e5f\u53ef\u4ee5\u53ea\u7528\u4e8e\u901a\u544a\u53ef\u8fbe\u8def\u7531\uff0c\u5c31\u4e0d\u9700\u8981\u643a\u5e26\u64a4\u9500\u8def\u7531\u4fe1\u606f\u4e86\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Keepalive\u62a5\u6587\n<ul>\n<li>\u4fdd\u6301\u90bb\u5c45\u5173\u7cfb<\/li>\n<li>Keepalive\u6d88\u606f\uff1aBGP\u4f1a\u5468\u671f\u6027\u7684\u5411\u5bf9\u7b49\u4f53\u53d1\u51faKeepalive\u6d88\u606f\uff0c\u7528\u6765\u4fdd\u6301\u8fde\u63a5\u7684\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Notification\u62a5\u6587\n<ul>\n<li>\u5dee\u9519\u901a\u77e5<\/li>\n<li>Notification\u6d88\u606f\uff1a\u5f53BGP\u68c0\u6d4b\u5230\u9519\u8bef\u72b6\u6001\u65f6\uff0c\u5c31\u5411\u5bf9\u7b49\u4f53\u53d1\u51faNotification\u6d88\u606f\uff0c\u4e4b\u540eBGP\u8fde\u63a5\u4f1a\u7acb\u5373\u4e2d\u65ad<\/li>\n<\/ul>\n<\/li>\n<li>Route-Refresh\u62a5\u6587\n<ul>\n<li>\u7528\u4e8e\u5728\u6539\u53d8\u8def\u7531\u7b56\u7565\u540e\u8bf7\u6c42\u5bf9\u7b49\u4f53\u91cd\u65b0\u53d1\u9001\u8def\u7531\u4fe1\u606f<\/li>\n<li>Route-Refresh\u6d88\u606f\uff1a\u901a\u8fc7OPEN\u6d88\u606f\u544a\u77e5BGP peer\u672c\u5730\u652f\u6301\u8def\u7531\u5237\u65b0\u80fd\u529b\uff08Route-Refresh capability\uff09\u3002<\/li>\n<li>\u5728\u6240\u6709BGP\u8def\u7531\u5668\u4f7f\u80fdRoute-Refresh\u80fd\u529b\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679cBGP\u7684\u5165\u53e3\u8def\u7531\u7b56\u7565\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u672c\u5730BGP\u8def\u7531\u5668\u4f1a\u5411\u5bf9\u7b49\u4f53\u53d1\u5e03Route-Refresh\u6d88\u606f\uff0c\u6536\u5230\u6b64\u6d88\u606f\u7684\u5bf9\u7b49\u4f53\u4f1a\u5c06\u5176\u8def\u7531\u4fe1\u606f\u91cd\u65b0\u53d1\u7ed9\u672c\u5730BGP\u8def\u7531\u5668\u3002<\/li>\n<li>\u8fd9\u6837\uff0c\u53ef\u4ee5\u5728\u4e0d\u4e2d\u65adBGP\u8fde\u63a5\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9BGP\u8def\u7531\u8868\u8fdb\u884c\u52a8\u6001\u5237\u65b0\uff0c\u5e76\u5e94\u7528\u65b0\u7684\u8def\u7531\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>\u62a5\u6587\u5e94\u7528\n<ul>\n<li>BGP\u4f7f\u7528TCP\u5efa\u7acb\u8fde\u63a5\n<ul>\n<li>\u672c\u5730\u76d1\u542c\u7aef\u53e3\u4e3a179\u3002<\/li>\n<li>\u548cTCP\u8fde\u63a5\u5efa\u7acb\u76f8\u540c\uff0cBGP\u8fde\u63a5\u7684\u5efa\u7acb\u4e5f\u8981\u7ecf\u8fc7\u4e00\u7cfb\u5217\u7684\u5bf9\u8bdd\u548c\u63e1\u624b\u3002<\/li>\n<li>TCP\u901a\u8fc7\u63e1\u624b\u534f\u5546\u901a\u544a\u5176\u7aef\u53e3\u7b49\u53c2\u6570\u3002<\/li>\n<li>BGP\u7684\u63e1\u624b\u534f\u5546\u7684\u53c2\u6570\u6709\uff1aBGP\u7248\u672c\u3001BGP\u8fde\u63a5\u4fdd\u6301\u65f6\u95f4\u3001\u672c\u5730\u7684\u8def\u7531\u5668\u6807\u8bc6\uff08RouterID\uff09\u3001\u6388\u6743\u4fe1\u606f\u7b49\u3002<\/li>\n<li>\u8fd9\u4e9b\u4fe1\u606f\u90fd\u5728Open\u6d88\u606f\u4e2d\u643a\u5e26\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8fde\u63a5\u5efa\u7acb\u540e\n<ul>\n<li>\u5982\u679c\u6709\u8def\u7531\u9700\u8981\u53d1\u9001\u5219\u53d1\u9001Update\u6d88\u606f\u901a\u544a\u5bf9\u7aef\u3002<\/li>\n<li>Update\u6d88\u606f\u53d1\u5e03\u8def\u7531\u65f6\uff0c\u8fd8\u8981\u643a\u5e26\u6b64\u8def\u7531\u7684\u8def\u7531\u5c5e\u6027\uff0c\u7528\u4ee5\u5e2e\u52a9\u5bf9\u7aefBGP\u534f\u8bae\u9009\u62e9\u6700\u4f18\u8def\u7531\u3002<\/li>\n<li>\u5728\u672c\u5730BGP\u8def\u7531\u53d8\u5316\u65f6\uff0c\u8981\u901a\u8fc7Update\u6d88\u606f\u6765\u901a\u77e5BGP\u5bf9\u7b49\u4f53\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8fde\u63a5\u7ef4\u62a4\n<ul>\n<li>\u7ecf\u8fc7\u4e00\u6bb5\u65f6\u95f4\u7684\u8def\u7531\u4fe1\u606f\u4ea4\u6362\u540e\uff0c\u672c\u5730BGP\u548c\u5bf9\u7aefBGP\u90fd\u65e0\u65b0\u8def\u7531\u901a\u544a\uff0c\u8d8b\u4e8e\u7a33\u5b9a\u72b6\u6001\u3002<\/li>\n<li>\u6b64\u65f6\u8981\u5b9a\u65f6\u53d1\u9001KEEPALIVE\u6d88\u606f\u4ee5\u4fdd\u6301BGP\u8fde\u63a5\u7684\u6709\u6548\u6027\u3002<\/li>\n<li>\u5bf9\u4e8e\u672c\u5730BGP\uff0c\u5982\u679c\u5728\u4fdd\u6301\u65f6\u95f4\u5185\uff0c\u672a\u6536\u5230\u4efb\u4f55\u5bf9\u7aef\u53d1\u6765\u7684BGP\u6d88\u606f\uff0c\u5c31\u8ba4\u4e3a\u6b64BGP\u8fde\u63a5\u5df2\u7ecf\u4e2d\u65ad\uff0c\u5c06\u65ad\u5f00\u6b64BGP\u8fde\u63a5\uff0c\u5e76\u5220\u9664\u6240\u6709\u4ece\u8be5\u5bf9\u7b49\u4f53\u5b66\u6765\u7684BGP\u8def\u7531\u3002<\/li>\n<li>\u5f53\u672c\u5730BGP\u5728\u8fd0\u884c\u4e2d\u53d1\u73b0\u9519\u8bef\u65f6\uff08\u5982\u5bf9\u7aefBGP\u7248\u672c\u672c\u5730\u4e0d\u652f\u6301\u3001\u672c\u5730BGP\u6536\u5230\u4e86\u7ed3\u6784\u975e\u6cd5\u7684Update\u6d88\u606f\u7b49\uff09\uff0c\u8981\u53d1\u9001Notification\u6d88\u606f\u901a\u544aBGP\u5bf9\u7b49\u4f53\u3002<\/li>\n<li>\u672c\u5730BGP\u9000\u51faBGP\u8fde\u63a5\u65f6\uff0c\u4e5f\u9700\u53d1\u9001Notification\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u62a5\u5934\n<ul>\n<li>Marker\uff08\u6807\u8bb0\uff09\uff1a16\u5b57\u8282\uff0c\u56fa\u5b9a\u4e3a1\u3002<\/li>\n<li>Length\uff08\u957f\u5ea6\uff09\uff1a\u4e24\u5b57\u8282\u65e0\u7b26\u53f7\u6574\u6570\u3002\u6307\u5b9a\u4e86\u6d88\u606f\u7684\u5168\u957f\uff0c\u5305\u62ec\u5934\u90e8\u3002<\/li>\n<li>Type\uff08\u7c7b\u578b\uff09\uff1a1\u5b57\u8282\uff0c\u6307\u793a\u62a5\u6587\u7c7b\u578b\uff1a\n<ul>\n<li>Open<\/li>\n<li>Update<\/li>\n<li>Keepalive<\/li>\n<li>Notification<\/li>\n<li>Route-Refresh<\/li>\n<\/ul>\n<\/li>\n<li>\u62a5\u6587\u7ed3\u6784\n<ul>\n<li>Open\u62a5\u6587\u7ed3\u6784\n<ul>\n<li>Version\n<ul>\n<li>BGP\u7684\u7248\u672c\u53f7\u3002<\/li>\n<li>\u5bf9\u4e8eBGPv4\u6765\u8bf4\uff0c\u5176\u503c\u4e3a4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>My Autonomous System\n<ul>\n<li>\u672c\u5730AS\u7f16\u53f7\u3002<\/li>\n<li>\u901a\u8fc7\u6bd4\u8f83\u4e24\u7aef\u7684AS\u7f16\u53f7\u53ef\u4ee5\u786e\u5b9a\u662fEBGP\u8fde\u63a5\u8fd8\u662fIBGP\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>HoldTime\n<ul>\n<li>\u5728\u5efa\u7acb\u5bf9\u7b49\u4f53\u5173\u7cfb\u65f6\u4e24\u7aef\u8981\u534f\u5546Holdtime\uff0c\u5e76\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<li>\u5982\u679c\u4e24\u7aef\u6240\u914d\u7f6e\u7684Holdtime\u65f6\u95f4\u4e0d\u540c\uff0c\u5219BGP\u4f1a\u9009\u62e9\u8f83\u5c0f\u7684\u503c\u4f5c\u4e3a\u534f\u5546\u7684\u7ed3\u679c\u3002<\/li>\n<li>\u5982\u679c\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\u672a\u6536\u5230\u5bf9\u7aef\u53d1\u6765\u7684Keepalive\u6d88\u606f\uff0c\u5219\u8ba4\u4e3aBGP\u8fde\u63a5\u4e2d\u65ad\u3002<\/li>\n<li>\u5982\u679c\u4fdd\u6301\u65f6\u95f4\u4e3a0\uff0c\u5219\u6807\u8bc6\u4e0d\u53d1\u9001Keepalive\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP Identifier\n<ul>\n<li>BGP\u8def\u7531\u5668\u7684RouterID<\/li>\n<li>\u4ee5IP\u5730\u5740\u7684\u5f62\u5f0f\u8868\u793a<\/li>\n<li>\u7528\u6765\u8bc6\u522bBGP\u8def\u7531\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Opt Parm Len\uff08Optional Parameters Length\uff09\n<ul>\n<li>\u53ef\u9009\u53c2\u6570\u7684\u957f\u5ea6\u3002<\/li>\n<li>\u5982\u679c\u4e3a0\u5219\u6ca1\u6709\u53ef\u9009\u53c2\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Optional Parameters\n<ul>\n<li>\u662f\u4e00\u4e2a\u53ef\u9009\u53c2\u6570\u7528\u4e8eBGP\u9a8c\u8bc1\u6216\u591a\u534f\u8bae\u6269\u5c55\uff08Multiprotocol Extensions\uff09\u7b49\u529f\u80fd\u3002<\/li>\n<li>\u6bcf\u4e00\u4e2a\u53c2\u6570\u4e3a\u4e00\u4e2a\uff08Parameter Type-Parameter Length-Parameter Value\uff09\u4e09\u5143\u7ec4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Update\u62a5\u6587\u7ed3\u6784\n<ul>\n<li>Withdrawn Routes Length\n<ul>\n<li>\uff082\u5b57\u8282\u65e0\u7b26\u53f7\u6574\u6570\uff09<\/li>\n<li>\u4e0d\u53ef\u8fbe\u8def\u7531\u957f\u5ea6\uff0c\u8868\u793aWithdrawn Routes\u5b57\u6bb5\u7684\u6570\u636e\u957f\u5ea6\u3002<\/li>\n<li>\u5982\u679cWithdrawn Routes Length\u5b57\u6bb5\u6570\u503c\u4e3a0\uff0c\u5219\u8868\u793aWithdrawnRoutes\u5b57\u6bb5\u6ca1\u6709\u4efb\u4f55\u6570\u636e\uff0c\u5728UPDATE\u6d88\u606f\u4e2d\u4e0d\u4f1a\u88ab\u663e\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Withdrawn Routes\n<ul>\n<li>\uff08\u53d8\u957f\uff09<\/li>\n<li>\u64a4\u9500\u8def\u7531\u3002<\/li>\n<li>\u8be5\u5b57\u6bb5\u5305\u62ec\u4e00\u7cfb\u5217\u7684IP\u5730\u5740\u524d\u7f00\u4fe1\u606f\uff0c\u4ee5&lt;length,prefix&gt;\u7684\u683c\u5f0f\u6765\u8868\u793a\uff0c\u6bd4\u5982&lt;19,198.18.160.0&gt;\u8868\u793a\u4e00\u4e2a198.18.160.0255.255.224.0\u7684\u7f51\u7edc\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Path Attribute Length\n<ul>\n<li>\uff082\u5b57\u8282\u65e0\u7b26\u53f7\u6574\u6570\uff09<\/li>\n<li>\u8def\u7531\u5c5e\u6027\u957f\u5ea6\uff0c\u8868\u793aPath Attribute\u5b57\u6bb5\u7684\u6570\u636e\u957f\u5ea6\u3002<\/li>\n<li>\u5982\u679cPath Attribute Length\u6570\u503c\u4e3a0\uff0c\u5219\u8868\u793aPath Attribute\u5b57\u6bb5\u6ca1\u6709\u4efb\u4f55\u6570\u636e\uff0c\u5728UPDATE\u6d88\u606f\u4e2d\u4e0d\u4f1a\u88ab\u663e\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Network Layer Reachability Information\n<ul>\n<li>\uff08\u53d8\u957f\uff09<\/li>\n<li>\u7f51\u7edc\u53ef\u8fbe\u4fe1\u606f\u3002<\/li>\n<li>\u5305\u62ec\u4e00\u7cfb\u5217\u7684IP\u5730\u5740\u524d\u7f00\u3002<\/li>\n<li>\u683c\u5f0f\u4e0e\u64a4\u6d88\u8def\u7531\u5b57\u6bb5\u4e00\u6837&lt;length,prefix&gt;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Keepalive\u62a5\u6587\u7ed3\u6784\n<ul>\n<li>KeepAlive\u62a5\u6587\u7684\u7ec4\u6210\u53ea\u5305\u62ec\u4e00\u4e2aBGP\u6570\u636e\u62a5\u5934\u3002<\/li>\n<li>\u7f3a\u7701\u60c5\u51b5\u4e0b\n<ul>\n<li>\u53d1\u9001KeepAlive\u7684\u65f6\u95f4\u95f4\u9694\u4e3a 60\u79d2<\/li>\n<li>HoldTime\u662f180\u79d2\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6bcf\u6b21\u4ece\u90bb\u5c45\u5904\u63a5\u6536\u5230KeepAlive\u62a5\u6587\u5c06\u91cd\u7f6eHoldTime\u5b9a\u65f6\u5668\uff0c\u5982\u679cHoldTime\u5b9a\u65f6\u5668\u8d85\u65f6\uff0c\u5c31\u8ba4\u4e3a\u5bf9\u7b49\u4f53Down\u6389\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Notification\u62a5\u6587\u7ed3\u6784\n<ul>\n<li>Errorcode\uff1a\u9519\u8bef\u7801\u3002<\/li>\n<li>1\u5b57\u8282\u957f\u7684\u5b57\u6bb5\u3002<\/li>\n<li>\u6bcf\u4e2a\u4e0d\u540c\u7684\u9519\u8bef\u90fd\u4f7f\u7528\u552f\u4e00\u7684\u4ee3\u7801\u8868\u793a\uff0c\u800c\u6bcf\u4e00\u4e2a\u9519\u8bef\u7801\u90fd\u53ef\u4ee5\u62e5\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u9519\u8bef\u5b50\u7801\uff0c\u4f46\u5982\u679c\u67d0\u4e9b\u9519\u8bef\u7801\u5e76\u4e0d\u5b58\u5728\u9519\u8bef\u5b50\u7801\u7684\u8bdd\uff0c\u5219\u8be5\u9519\u8bef\u5b50\u7801\u5b57\u6bb5\u4ee5\u51680\u8868\u793a\u3002<\/li>\n<li>Errsubcode\uff1a\u9519\u8bef\u5b50\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u72b6\u6001\u673a\n<ul>\n<li>BGP\u6709\u9650\u72b6\u6001\u673a\u5171\u6709\u516d\u79cd\u72b6\u6001\uff0c\u5206\u522b\u662fIdle\u3001Connect\u3001Active\u3001OpenSent\u3001OpenConfirm\u548cEstablished\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Idle\n<ul>\n<li>Idle\u72b6\u6001\u662fBGP\u521d\u59cb\u72b6\u6001\u3002<\/li>\n<li>\u5728Idle\u72b6\u6001\u4e0b\uff0cBGP\u62d2\u7edd\u90bb\u5c45\u53d1\u9001\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n<li>\u53ea\u6709\u5728\u6536\u5230\u672c\u8bbe\u5907\u7684Start\u4e8b\u4ef6\u540e\uff0cBGP\u624d\u5f00\u59cb\u5c1d\u8bd5\u548c\u5176\u5b83BGP\u5bf9\u7b49\u4f53\u8fdb\u884cTCP\u8fde\u63a5\uff0c\u5e76\u8f6c\u81f3Connect\u72b6\u6001\u3002<\/li>\n<li>Start\u4e8b\u4ef6\u662f\u7531\u4e00\u4e2a\u64cd\u4f5c\u8005\u914d\u7f6e\u4e00\u4e2aBGP\u8fc7\u7a0b\uff0c\u6216\u8005\u91cd\u7f6e\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684\u8fc7\u7a0b\u6216\u8005\u8def\u7531\u5668\u8f6f\u4ef6\u91cd\u7f6eBGP\u8fc7\u7a0b\u5f15\u8d77\u7684\u3002<\/li>\n<li>\u4efb\u4f55\u72b6\u6001\u4e2d\u6536\u5230Notification\u62a5\u6587\u6216TCP\u62c6\u9664\u94fe\u8def\u901a\u77e5\u7b49Error\u4e8b\u4ef6\u540e\uff0cBGP\u90fd\u4f1a\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Connect\n<ul>\n<li>\u5728Connect\u72b6\u6001\u4e0b\uff0cBGP\u542f\u52a8\u8fde\u63a5\u91cd\u4f20\u5b9a\u65f6\u5668\uff08ConnectRetry\uff0c\u7f3a\u7701\u4e3a32\u79d2\uff09\uff0c\u7b49\u5f85TCP\u5b8c\u6210\u8fde\u63a5\u3002<\/li>\n<li>\u6b64\u9636\u6bb5\u4e3b\u52a8\u53d1\u8d77TCP\u8fde\u63a5\uff1b<\/li>\n<li>\u5982\u679cTCP\u8fde\u63a5\u6210\u529f\uff0c\u90a3\u4e48BGP\u5411\u5bf9\u7b49\u4f53\u53d1\u9001Open\u62a5\u6587\uff0c\u5e76\u8f6c\u81f3OpenSent\u72b6\u6001\uff1b<\/li>\n<li>\u5982\u679cTCP\u8fde\u63a5\u5931\u8d25\uff0c\u90a3\u4e48BGP\u8f6c\u81f3Active\u72b6\u6001\uff1b<\/li>\n<li>\u5982\u679c\u8fde\u63a5\u91cd\u4f20\u5b9a\u65f6\u5668\u8d85\u65f6\uff0cBGP\u4ecd\u6ca1\u6709\u6536\u5230BGP\u5bf9\u7b49\u4f53\u7684\u54cd\u5e94\uff0c\u90a3\u4e48BGP\u7ee7\u7eed\u5c1d\u8bd5\u548c\u5176\u5b83BGP\u5bf9\u7b49\u4f53\u8fdb\u884cTCP\u8fde\u63a5\uff0c\u505c\u7559\u5728Connect\u72b6\u6001\u3002<\/li>\n<li>\u5982\u679c\u53d1\u751f\u5176\u4ed6\u4e8b\u4ef6\uff08\u7531\u7cfb\u7edf\u6216\u8005\u64cd\u4f5c\u4eba\u5458\u542f\u52a8\u7684\uff09\uff0c\u5219\u9000\u56de\u5230Idle\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Active\n<ul>\n<li>\u5728Active\u72b6\u6001\u4e0b\uff0cBGP\u603b\u662f\u5728\u8bd5\u56fe\u5efa\u7acbTCP\u8fde\u63a5\u3002<\/li>\n<li>\u6b64\u9636\u6bb5\u7b49\u5f85\u5bf9\u65b9\u53d1\u8d77TCP\u8fde\u63a5\uff1b<\/li>\n<li>\u5982\u679cTCP\u8fde\u63a5\u6210\u529f\uff0c\u90a3\u4e48BGP\u5411\u5bf9\u7b49\u4f53\u53d1\u9001Open\u62a5\u6587\uff0c\u5173\u95ed\u8fde\u63a5\u91cd\u4f20\u5b9a\u65f6\u5668\uff0c\u5e76\u8f6c\u81f3OpenSent\u72b6\u6001\uff1b<\/li>\n<li>\u5982\u679cTCP\u8fde\u63a5\u5931\u8d25\uff0c\u90a3\u4e48BGP\u505c\u7559\u5728Active\u72b6\u6001\uff1b<\/li>\n<li>\u5982\u679c\u8fde\u63a5\u91cd\u4f20\u5b9a\u65f6\u5668\u8d85\u65f6\uff0cBGP\u4ecd\u6ca1\u6709\u6536\u5230BGP\u5bf9\u7b49\u4f53\u7684\u54cd\u5e94\uff0c\u90a3\u4e48BGP\u8f6c\u81f3Connect\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>OpenSent\n<ul>\n<li>\u5728OpenSent\u72b6\u6001\u4e0b\uff0cBGP\u7b49\u5f85\u5bf9\u7b49\u4f53\u7684Open\u62a5\u6587\uff0c\u5e76\u5bf9\u6536\u5230\u7684Open\u62a5\u6587\u4e2d\u7684AS\u53f7\u3001\u7248\u672c\u53f7\u3001\u8ba4\u8bc1\u7801\u7b49\u8fdb\u884c\u68c0\u67e5\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230\u7684Open\u62a5\u6587\u6b63\u786e\uff0c\u90a3\u4e48BGP\u53d1\u9001Keepalive\u62a5\u6587\uff0c\u5e76\u8f6c\u81f3OpenConfirm\u72b6\u6001\uff1b<\/li>\n<li>\u5982\u679c\u53d1\u73b0\u6536\u5230\u7684Open\u62a5\u6587\u6709\u9519\u8bef\uff0c\u90a3\u4e48BGP\u53d1\u9001Notification\u62a5\u6587\u7ed9\u5bf9\u7b49\u4f53\uff0c\u5e76\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>OpenConfirm\n<ul>\n<li>\u5728OpenConfirm\u72b6\u6001\u4e0b\uff0cBGP\u7b49\u5f85Keepalive\u6216Notification\u62a5\u6587\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230Keepalive\u62a5\u6587\uff0c\u5219\u8f6c\u81f3Established\u72b6\u6001\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230Notification\u62a5\u6587\uff0c\u5219\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Established\n<ul>\n<li>\u5728Established\u72b6\u6001\u4e0b\uff0cBGP\u53ef\u4ee5\u548c\u5bf9\u7b49\u4f53\u4ea4\u6362Update\u3001Keepalive\u3001Route-refresh\u62a5\u6587\u548cNotification\u62a5\u6587\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230\u6b63\u786e\u7684Update\u6216Keepalive\u62a5\u6587\uff0c\u90a3\u4e48BGP\u5c31\u8ba4\u4e3a\u5bf9\u7aef\u5904\u4e8e\u6b63\u5e38\u8fd0\u884c\u72b6\u6001\uff0c\u5c06\u4fdd\u6301BGP\u8fde\u63a5\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230\u9519\u8bef\u7684Update\u6216Keepalive\u62a5\u6587\uff0c\u90a3\u4e48BGP\u53d1\u9001Notification\u62a5\u6587\u901a\u77e5\u5bf9\u7aef\uff0c\u5e76\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<li>Route-refresh\u62a5\u6587\u4e0d\u4f1a\u6539\u53d8BGP\u72b6\u6001\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230Notification\u62a5\u6587\uff0c\u90a3\u4e48BGP\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<li>\u5982\u679c\u6536\u5230TCP\u8fde\u63a5\u65ad\u5f00\u6d88\u606f\uff0c\u90a3\u4e48BGP\u65ad\u5f00\u8fde\u63a5\uff0c\u8f6c\u81f3Idle\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u5e93\n<ul>\n<li>IP\u8def\u7531\u8868(IP-RIB)\n<ul>\n<li>\u5168\u5c40\u8def\u7531\u4fe1\u606f\u5e93\uff0c\u5305\u62ec\u6240\u6709IP\u8def\u7531\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8def\u7531\u8868(Loc-RIB)\n<ul>\n<li>BGP\u8def\u7531\u4fe1\u606f\u5e93\uff0c\u5305\u62ec\u672c\u5730BGP Speaker\u9009\u62e9\u7684\u8def\u7531\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<li>\u90bb\u5c45\u8868\n<ul>\n<li>\u5bf9\u7b49\u4f53\u90bb\u5c45\u6e05\u5355\u5217\u8868<\/li>\n<\/ul>\n<\/li>\n<li>Adj-RIB-In\n<ul>\n<li>\u5bf9\u7b49\u4f53\u5ba3\u544a\u7ed9\u672c\u5730BGP Speaker\u7684\u672a\u5904\u7406\u7684\u8def\u7531\u4fe1\u606f\u5e93<\/li>\n<\/ul>\n<\/li>\n<li>Adj-RIB-Out\n<ul>\n<li>\u672c\u5730BGP Speaker\u5ba3\u544a\u7ed9\u6307\u5b9a\u5bf9\u7b49\u4f53\u7684\u8def\u7531\u4fe1\u606f\u5e93<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8def\u7531\u4fe1\u606f\u5904\u7406\n<ul>\n<li>BGP\u8def\u7531\u4fe1\u606f\u5904\u7406\u8fc7\u7a0b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5f53\u4ece\u5bf9\u7b49\u4f53\u63a5\u6536\u5230\u66f4\u65b0\u6570\u636e\u5305\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u628a\u8fd9\u4e9b\u66f4\u65b0\u6570\u636e\u5305\u5b58\u50a8\u5230\u8def\u7531\u9009\u62e9\u4fe1\u606f\u5e93(RoutingInformation Base, RIB)\u4e2d\uff0c\u5e76\u6307\u660e\u662f\u6765\u81ea\u54ea\u4e2a\u5bf9\u7b49\u4f53\u7684(Adj-RIB-In)\u3002\n<ul>\n<li>\u8fd9\u4e9b\u66f4\u65b0\u6570\u636e\u5305\u88ab\u8f93\u5165\u7b56\u7565\u5f15\u64ce\u8fc7\u6ee4\u540e\uff0c\u8def\u7531\u5668\u5c06\u4f1a\u6267\u884c\u8def\u5f84\u9009\u62e9\u7b97\u6cd5\uff0c\u6765\u4e3a\u6bcf\u4e00\u6761\u524d\u7f00\u786e\u5b9a\u6700\u4f73\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5f97\u51fa\u7684\u6700\u4f73\u8def\u5f84\u88ab\u5b58\u50a8\u5230\u672c\u5730BGPRIB (Loc-RIB)\u4e2d\uff0c\u7136\u540e\u88ab\u63d0\u4ea4\u7ed9\u672c\u5730IP\u8def\u7531\u9009\u62e9\u8868(IP-RIB)\uff0c\u4ee5\u7528\u4f5c\u5b89\u88c5\u8003\u8651\u3002<\/li>\n<li>\u9664\u4e86\u4ece\u5bf9\u7b49\u4f53\u63a5\u6536\u6765\u7684\u6700\u4f73\u8def\u5f84\u5916\uff0cLoc-RIB\u4e5f\u4f1a\u5305\u542b\u5f53\u524d\u8def\u7531\u5668\u6ce8\u5165\u7684(\u88ab\u79f0\u4e3a\u672c\u5730\u53d1\u8d77\u7684\u8def\u7531)\uff0c\u5e76\u88ab\u9009\u62e9\u4e3a\u6700\u4f73\u8def\u5f84\u7684BGP\u524d\u7f00\u3002\n<ul>\n<li>Loc-RIB\u4e2d\u7684\u5185\u5bb9\u5728\u88ab\u901a\u544a\u7ed9\u5176\u4ed6\u5bf9\u7b49\u4f53\u4e4b\u524d\uff0c\u5fc5\u987b\u901a\u8fc7\u8f93\u51fa\u7b56\u7565\u5f15\u64ce\u3002<\/li>\n<li>\u53ea\u6709\u90a3\u4e9b\u6210\u529f\u901a\u8fc7\u8f93\u51fa\u7b56\u7565\u5f15\u64ce\u7684\u8def\u7531\uff0c\u624d\u4f1a\u88ab\u5b89\u88c5\u5230\u8f93\u51faRIB(Adj-RIB-Out)\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684\u4ea4\u4e92\u539f\u5219\n<ul>\n<li>\u4eceIBGP\u5bf9\u7b49\u4f53\u83b7\u5f97\u7684\u8def\u7531\uff0c\u53ea\u53d1\u5e03\u7ed9EBGP\u5bf9\u7b49\u4f53\n<ul>\n<li>\u4eceIBGP\u5bf9\u7b49\u4f53\u83b7\u5f97\u7684BGP\u8def\u7531\uff0cBGP\u8bbe\u5907\u53ea\u53d1\u5e03\u7ed9\u5b83\u7684EBGP\u5bf9\u7b49\u4f53<\/li>\n<\/ul>\n<\/li>\n<li>\u4eceEBGP\u5bf9\u7b49\u4f53\u83b7\u5f97\u7684\u8def\u7531\uff0c\u53d1\u5e03\u7ed9\u6240\u6709EBGP\u548cIBGP\u5bf9\u7b49\u4f53\n<ul>\n<li>\u4eceEBGP\u5bf9\u7b49\u4f53\u83b7\u5f97\u7684BGP\u8def\u7531\uff0cBGP\u8bbe\u5907\u53d1\u5e03\u7ed9\u5b83\u6240\u6709EBGP\u548cIBGP\u5bf9\u7b49\u4f53<\/li>\n<\/ul>\n<\/li>\n<li>\u53ea\u5c06BGP\u7684\u6700\u4f18\u8def\u7531\u53d1\u5e03\u7ed9\u5bf9\u7b49\u4f53\n<ul>\n<li>\u5f53\u5b58\u5728\u591a\u6761\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5740\u7684\u6709\u6548\u8def\u7531\u65f6\uff0cBGP\u8bbe\u5907\u53ea\u5c06\u6700\u4f18\u8def\u7531\u53d1\u5e03\u7ed9\u5bf9\u7b49\u4f53<\/li>\n<\/ul>\n<\/li>\n<li>\u53ea\u53d1\u9001\u66f4\u65b0\u7684BGP\u8def\u7531\n<ul>\n<li>\u8def\u7531\u66f4\u65b0\u65f6\uff0cBGP\u8bbe\u5907\u53ea\u53d1\u9001\u66f4\u65b0\u7684BGP\u8def\u7531<\/li>\n<\/ul>\n<\/li>\n<li>IBGP\u4e0eIGP\u7684\u540c\u6b65\n<ul>\n<li>\u4eceIBGP\u90bb\u5c45\u5b66\u5230\u7684\u8def\u7531\uff0c\u53ea\u6709\u5f53IGP\u4e2d\u4e5f\u5b58\u5728\u76f8\u540c\u7684\u8def\u7531\u65f6\u624d\u4f1a\u5ba3\u544a\u7ed9EBGP\u5bf9\u7b49\u4f53<\/li>\n<\/ul>\n<\/li>\n<li>IBGP\u4e0eIGP\u540c\u6b65\n<ul>\n<li>\u540c\u6b65\u662f\u6307IBGP\u548cIGP\u4e4b\u95f4\u7684\u540c\u6b65\uff0c\u5176\u76ee\u7684\u662f\u907f\u514d\u8bef\u5bfc\u5916\u90e8AS\u7684\u8def\u7531\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u62d3\u6251\u8bf4\u660e\n<ul>\n<li>R4\u901a\u8fc7BGP\u5b66\u4e60\u5230R1\u5ba3\u544a\u768410.0.0.0\/24\u7f51\u7edc\u3002<\/li>\n<li>R4\u5728\u5c06\u8be5\u7f51\u7edc\u901a\u544a\u7ed9R5\u4e4b\u524d\uff0c\u4f1a\u9996\u5148\u68c0\u67e5\u81ea\u5df1\u7684IGP\u8def\u7531\u8868\u662f\u5426\u5df2\u7ecf\u5b58\u572810.0.0.0\/24\u7f51\u7edc\u3002<\/li>\n<li>\u5982\u679cR4\u672c\u5730IGP\u8def\u7531\u8868\u9879\u5b58\u572810.0.0.0\/24\u7f51\u7edc\uff0c\u5219\u5c06\u8be5\u7f51\u7edc\u901a\u544a\u7ed9R5\u3002<\/li>\n<li>\u5982\u679cR4\u672c\u5730IGP\u8def\u7531\u8868\u9879\u4e0d\u5b58\u572810.0.0.0\/24\u7f51\u7edc\uff0c\u5219\u4e0d\u80fd\u5c06\u8be5\u7f51\u7edc\u901a\u544a\u7ed9R5<\/li>\n<\/ul>\n<\/li>\n<li>\u5728IBGP\u8def\u7531\u52a0\u5165\u8def\u7531\u8868\u5e76\u53d1\u5e03\u7ed9EBGP\u5bf9\u7b49\u4f53\u4e4b\u524d\uff0c\u4f1a\u5148\u68c0\u67e5IGP\u8def\u7531\u8868\u3002\u53ea\u6709\u5728IGP\u4e5f\u77e5\u9053\u8fd9\u6761IBGP\u8def\u7531\u65f6\uff0c\u5b83\u624d\u4f1a\u88ab\u52a0\u5165\u5230\u8def\u7531\u8868\uff0c\u5e76\u53d1\u5e03\u7ed9EBGP\u5bf9\u7b49\u4f53\u3002<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>VRP\u5e73\u53f0\u7f3a\u7701\u60c5\u51b5\u4e0bBGP\u4e0eIGP\u662f\u53d6\u6d88\u540c\u6b65\u673a\u5236\u7684\uff0c\u5e76\u4e0d\u53ef\u6539\u53d8\u3002<\/li>\n<li>\u4f46\u53d6\u6d88\u540c\u6b65\u662f\u6709\u6761\u4ef6\u7684\uff0c\u5728\u4ee5\u4e0b\u4e24\u79cd\u60c5\u51b5\u4e0b\u53ef\u4ee5\u53d6\u6d88\u540c\u6b65\uff1a\n<ul>\n<li>\u672cAS\u4e0d\u662f\u8fc7\u6e21AS\u3002<\/li>\n<li>\u672cAS\u5185\u6240\u6709\u8def\u7531\u5668\u5efa\u7acbIBGP\u5168\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u5c5e\u6027\u7279\u70b9\n<ul>\n<li>BGP\u5c5e\u6027\u7279\u70b9\u2014\u6982\u8ff0\n<ul>\n<li>lBGP\u8def\u7531\u5c5e\u6027\u662f\u4e00\u5957\u53c2\u6570\uff0c\u5b83\u662f\u5bf9\u8def\u7531\u7684\u8fdb\u4e00\u6b65\u7684\u63cf\u8ff0\uff0c\u4f7f\u5f97BGP\u80fd\u591f\u5bf9\u8def\u7531\u8fdb\u884c\u8fc7\u6ee4\u548c\u9009\u62e9\u3002<\/li>\n<li>\u516c\u8ba4\u5fc5\u9075\n<ul>\n<li>\u6240\u6709BGP\u8def\u7531\u5668\u90fd\u5fc5\u987b\u8bc6\u522b\uff0c\u4e14\u5fc5\u987b\u5b58\u5728\u4e8eUpdate\u6d88\u606f\u4e2d<\/li>\n<li>\u5982\u679c\u7f3a\u5c11\u8fd9\u79cd\u5c5e\u6027\uff0c\u8def\u7531\u4fe1\u606f\u5c31\u4f1a\u51fa\u9519<\/li>\n<li>Origin\u4e3a\u516c\u8ba4\u5fc5\u9075\u5c5e\u6027<\/li>\n<li>AS_Path\u4e3a\u516c\u8ba4\u5fc5\u9075\u5c5e\u6027<\/li>\n<li>Next_Hop\u4e3a\u516c\u8ba4\u5fc5\u9075\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\u516c\u8ba4\u4efb\u610f\n<ul>\n<li>\u6240\u6709BGP\u8def\u7531\u5668\u90fd\u53ef\u4ee5\u8bc6\u522b\uff0c\u4f46\u4e0d\u8981\u6c42\u5fc5\u987b\u5b58\u5728\u4e8eUpdate\u6d88\u606f\u4e2d<\/li>\n<li>\u5373\u5c31\u7b97\u7f3a\u5c11\u8fd9\u7c7b\u5c5e\u6027\uff0c\u8def\u7531\u4fe1\u606f\u4e5f\u4e0d\u4f1a\u51fa\u9519<\/li>\n<li>Local_Pref\u4e3a\u516c\u8ba4\u4efb\u610f\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\u53ef\u9009\u8fc7\u6e21\n<ul>\n<li>\u5728BGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u5177\u6709\u53ef\u4f20\u9012\u6027\u7684\u5c5e\u6027<\/li>\n<li>BGP\u8def\u7531\u5668\u53ef\u4ee5\u4e0d\u652f\u6301\u6b64\u5c5e\u6027\uff0c\u4f46\u5b83\u4ecd\u7136\u4f1a\u63a5\u6536\u8fd9\u7c7b\u5c5e\u6027\uff0c\u5e76\u4f20\u9012\u7ed9\u5176\u4ed6\u5bf9\u7b49\u4f53<\/li>\n<li>community\u4e3a\u53ef\u9009\u8fc7\u6e21\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\u53ef\u9009\u975e\u8fc7\u6e21\n<ul>\n<li>\u5982\u679cBGP\u8def\u7531\u5668\u4e0d\u652f\u6301\u6b64\u5c5e\u6027\uff0c\u5219\u76f8\u5e94\u7684\u8fd9\u7c7b\u5c5e\u6027\u4f1a\u88ab\u5ffd\u7565\uff0c\u4e14\u4e0d\u4f1a\u4f20\u9012\u7ed9\u5176\u4ed6\u5bf9\u7b49\u4f53<\/li>\n<li>MED\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21\u5c5e\u6027<\/li>\n<li>Originator_ID\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21\u5c5e\u6027<\/li>\n<li>Cluster_List\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>Origin\u5c5e\u6027\n<ul>\n<li>Origin\u5c5e\u6027\u7528\u6765\u5b9a\u4e49\u8def\u5f84\u4fe1\u606f\u7684\u6765\u6e90<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u516c\u8ba4\u5fc5\u9075<\/li>\n<li>IGP\n<ul>\n<li>\u5177\u6709\u6700\u9ad8\u7684\u4f18\u5148\u7ea7<\/li>\n<li>\u901a\u8fc7\u8def\u7531\u59cb\u53d1AS\u7684IGP\u5f97\u5230\u7684\u8def\u7531\u4fe1\u606f\uff0c\u5982\u901a\u8fc7network\u547d\u4ee4\u6ce8\u5165BGP\u8def\u7531\u8868\u7684\u8def\u7531<\/li>\n<li>\u5176Origin\u5c5e\u6027\u4e3aIGP\uff0c\u6807\u8bc6\u7b26\u4e3a\u201ci\u201d<\/li>\n<\/ul>\n<\/li>\n<li>EGP\n<ul>\n<li>\u4f18\u5148\u7ea7\u6b21\u4e4b<\/li>\n<li>\u901a\u8fc7EGP\u5f97\u5230\u7684\u8def\u7531\u4fe1\u606f<\/li>\n<li>\u5176Origin\u5c5e\u6027\u4e3aEGP\uff0c\u6807\u8bc6\u7b26\u4e3a\u201ce\u201d<\/li>\n<\/ul>\n<\/li>\n<li>Incomplete\n<ul>\n<li>\u4f18\u5148\u7ea7\u6700\u4f4e<\/li>\n<li>\u901a\u8fc7\u5176\u4ed6\u65b9\u5f0f\u5b66\u4e60\u5230\u7684\u8def\u7531\u4fe1\u606f\uff0c\u5982BGP\u901a\u8fc7import-route\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531<\/li>\n<li>\u5176Origin\u5c5e\u6027\u4e3aIncomplete\uff0c\u6807\u8bc6\u7b26\u4e3a\u201c?\u201d<\/li>\n<\/ul>\n<\/li>\n<li>PrefVal\uff08\u534f\u8bae\u9996\u9009\u503c\uff09\n<ul>\n<li>\u534f\u8bae\u9996\u9009\u503c\uff08PrefVal\uff09\u662f\u534e\u4e3a\u8bbe\u5907\u7684\u7279\u6709\u5c5e\u6027<\/li>\n<li>\u8be5\u5c5e\u6027\u4ec5\u5728\u672c\u5730\u6709\u6548\uff0c\u4e0d\u4f1a\u4f20\u9012\u7ed9BGP\u90bb\u5c45<\/li>\n<li>\u56e0\u4e3a\u534f\u8bae\u9996\u9009\u503c\u662f\u4eba\u4e3a\u4e3b\u52a8\u8bbe\u7f6e\u7684\uff0c\u4ee3\u8868\u672c\u5730\u7528\u6237\u7684\u610f\u613f<\/li>\n<li>\u5728BGP\u8fdb\u884c\u9009\u8def\u65f6\u4f1a\u4f18\u5148\u6bd4\u8f83\u534f\u8bae\u9996\u9009\u503c\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5747\u4e3a0\uff0c\u8be5\u503c\u8d8a\u5927\u8d8a\u4f18\u5148\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS_Path\u5c5e\u6027\n<ul>\n<li>AS_Path\u5c5e\u6027\u6309\u77e2\u91cf\u987a\u5e8f\u8bb0\u5f55\u67d0\u6761\u8def\u7531\u4ece\u672c\u5730\u5230\u76ee\u7684\u5730\u5740\u6240\u8981\u7ecf\u8fc7\u7684\u6240\u6709AS\u7f16\u53f7\u3002<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u516c\u8ba4\u5fc5\u9075\u3002<\/li>\n<li>AS_Path\u5c5e\u6027\u53ef\u4ee5\u5f53\u505aBGP\u9009\u8def\u7684\u53c2\u8003\u5c5e\u6027\u4e4b\u4e00\uff0cAS_Path\u957f\u5ea6\u8d8a\u77ed\u8d8a\u4f18\u5148\u3002<\/li>\n<li>\u6b64\u5916\uff0c\u5f53BGP\u8def\u7531\u5668\u4eceEBGP\u5bf9\u7b49\u4f53\u63a5\u6536\u8def\u7531\u65f6\uff0c\u5982\u679c\u53d1\u73b0AS_Path\u5217\u8868\u4e2d\u6709\u672cAS\u53f7\uff0c\u5219\u4e0d\u63a5\u6536\u8be5\u8def\u7531\uff0c\u4ece\u800c\u907f\u514d\u4e86AS\u95f4\u7684\u8def\u7531\u73af\u8def\u3002\n<ul>\n<li>\u5f53BGPSpeaker\u672c\u5730\u901a\u544a\u4e00\u6761\u8def\u7531\u65f6\uff1a\n<ul>\n<li>\u5f53BGPSpeaker\u5c06\u8fd9\u6761\u8def\u7531\u901a\u544a\u5230\u5176\u4ed6AS\u65f6\uff0c\u4fbf\u4f1a\u5c06\u672c\u5730AS\u53f7\u6dfb\u52a0\u5728AS_Path\u5217\u8868\u4e2d\uff0c\u5e76\u901a\u8fc7Update\u6d88\u606f\u901a\u544a\u7ed9\u90bb\u5c45\u8def\u7531\u5668\u3002<\/li>\n<li>\u5f53BGPSpeaker\u5c06\u8fd9\u6761\u8def\u7531\u901a\u544a\u5230\u672c\u5730AS\u65f6\uff0c\u4fbf\u4f1a\u5728Update\u6d88\u606f\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684AS_Path\u5217\u8868\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5f53BGPSpeaker\u4f20\u64ad\u4ece\u5176\u4ed6BGPSpeaker\u7684Update\u6d88\u606f\u4e2d\u5b66\u4e60\u5230\u7684\u8def\u7531\u65f6\uff1a\n<ul>\n<li>\u5f53BGPSpeaker\u5c06\u8fd9\u6761\u8def\u7531\u901a\u544a\u5230\u5176\u4ed6AS\u65f6\uff0c\u4fbf\u4f1a\u628a\u672c\u5730AS\u7f16\u53f7\u6dfb\u52a0\u5728AS_Path\u5217\u8868\u7684\u6700\u524d\u9762\uff08\u6700\u5de6\u9762\uff09\u3002\u6536\u5230\u6b64\u8def\u7531\u7684BGP\u8def\u7531\u5668\u6839\u636eAS_Path\u5c5e\u6027\u5c31\u53ef\u4ee5\u77e5\u9053\u53bb\u76ee\u7684\u5730\u5740\u6240\u8981\u7ecf\u8fc7\u7684AS\u3002\u79bb\u672c\u5730AS\u6700\u8fd1\u7684\u76f8\u90bbAS\u53f7\u6392\u5728\u524d\u9762\uff0c\u5176\u4ed6AS\u53f7\u6309\u987a\u5e8f\u4f9d\u6b21\u6392\u5217\u3002<\/li>\n<li>\u5f53BGPSpeaker\u5c06\u8fd9\u6761\u8def\u7531\u901a\u544a\u5230\u672c\u5730AS\u65f6\uff0c\u4e0d\u4f1a\u6539\u53d8\u8fd9\u6761\u8def\u7531\u76f8\u5173\u7684AS_Path\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Next_Hop\u5c5e\u6027\n<ul>\n<li>Next_Hop\u5c5e\u6027\u8bb0\u5f55\u4e86\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u4fe1\u606f\n<ul>\n<li>AS_Path\u5c5e\u6027\u6309\u77e2\u91cf\u987a\u5e8f\u8bb0\u5f55\u67d0\u6761\u8def\u7531\u4ece\u672c\u5730\u5230\u76ee\u7684\u5730\u5740\u6240\u8981\u7ecf\u8fc7\u7684\u6240\u6709AS\u7f16\u53f7\uff0c\u53ef\u4f5c\u4e3a\u9009\u8def\u53c2\u8003\u503c<\/li>\n<li>Next_Hop\u5c5e\u6027\u8bb0\u5f55\u4e86\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u4fe1\u606f\uff0c\u5df2\u9009\u8def\u5b8c\u6210<\/li>\n<\/ul>\n<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u516c\u8ba4\u5fc5\u9075<\/li>\n<li>BGP\u7684\u4e0b\u4e00\u8df3\u5c5e\u6027\u548cIGP\u7684\u6709\u6240\u4e0d\u540c\uff0c\u4e0d\u4e00\u5b9a\u5c31\u662f\u90bb\u5c45\u8bbe\u5907\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cNext_Hop\u5c5e\u6027\u9075\u5faa\u4e0b\u9762\u7684\u89c4\u5219\n<ul>\n<li>BGP Speaker\u5c06\u672c\u5730\u59cb\u53d1\u8def\u7531\u53d1\u5e03\u7ed9IBGP\u5bf9\u7b49\u4f53\u65f6\uff0c\u4f1a\u628a\u8be5\u8def\u7531\u4fe1\u606f\u7684\u4e0b\u4e00\u8df3\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u672c\u5730\u4e0e\u5bf9\u7aef\u5efa\u7acbBGP\u90bb\u5c45\u5173\u7cfb\u7684\u63a5\u53e3\u5730\u5740\u3002<\/li>\n<li>BGP Speaker\u5728\u5411EBGP\u5bf9\u7b49\u4f53\u53d1\u5e03\u67d0\u6761\u8def\u7531\u65f6\uff0c\u4f1a\u628a\u8be5\u8def\u7531\u4fe1\u606f\u7684\u4e0b\u4e00\u8df3\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u672c\u5730\u4e0e\u5bf9\u7aef\u5efa\u7acbBGP\u90bb\u5c45\u5173\u7cfb\u7684\u63a5\u53e3\u5730\u5740\u3002<\/li>\n<li>BGP Speaker\u5728\u5411IBGP\u5bf9\u7b49\u4f53\u53d1\u5e03\u4eceEBGP\u5bf9\u7b49\u4f53\u5b66\u6765\u7684\u8def\u7531\u65f6\uff0c\u5e76\u4e0d\u6539\u53d8\u8be5\u8def\u7531\u4fe1\u606f\u7684\u4e0b\u4e00\u8df3\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Local_Pref\u5c5e\u6027\n<ul>\n<li>Local_Pref\u5c5e\u6027\u8868\u660eBGP\u8def\u7531\u5668\u7684\u4f18\u5148\u7ea7\uff0c\u8be5\u503c\u8d8a\u5927\u8d8a\u4f18\u5148\u3002\n<ul>\n<li>\u8be5\u5c5e\u6027\u4ec5\u5728IBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u6709\u6548\uff0c\u4e0d\u901a\u544a\u7ed9\u5176\u4ed6AS\u3002<\/li>\n<li>\u5b83\u8868\u660e\u8def\u7531\u5668\u7684BGP\u4f18\u5148\u7ea7\u3002<\/li>\n<li>\u5f53BGP\u8def\u7531\u5668\u901a\u8fc7\u4e0d\u540c\u7684IBGP\u5bf9\u7b49\u4f53\u5f97\u5230\u76ee\u7684\u5730\u5740\u76f8\u540c\u4f46\u4e0b\u4e00\u8df3\u4e0d\u540c\u7684\u591a\u6761\u8def\u7531\u65f6\uff0c\u5c06\u4f18\u5148\u9009\u62e9Local_Pref\u5c5e\u6027\u503c\u8f83\u9ad8\u7684\u8def\u7531\u3002<\/li>\n<li>\u7f3a\u7701\u60c5\u51b5\u4e0b\u8be5\u503c\u4e3a100\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u516c\u8ba4\u4efb\u610f<\/li>\n<\/ul>\n<\/li>\n<li>MED\u5c5e\u6027\n<ul>\n<li>MED\u5c5e\u6027\u7c7b\u4f3c\u4e8eIGP\u7684\u4ee3\u4ef7\u503c\uff0c\u7528\u4e8eAS\u95f4\u7684\u8def\u7531\u9009\u8def\u3002<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21<\/li>\n<li>\u5f53\u4e00\u4e2a\u8fd0\u884cBGP\u7684\u8bbe\u5907\u901a\u8fc7\u4e0d\u540c\u7684EBGP\u5bf9\u7b49\u4f53\uff08EBGP\u5bf9\u7b49\u4f53\u9700\u5c5e\u4e8e\u540c\u4e00AS\uff09\u5f97\u5230\u76ee\u7684\u5730\u5740\u76f8\u540c\u4f46\u4e0b\u4e00\u8df3\u4e0d\u540c\u7684\u591a\u6761\u8def\u7531\u65f6\uff0c\u5728\u5176\u5b83\u6761\u4ef6\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u4f18\u5148\u9009\u62e9MED\u503c\u8f83\u5c0f\u8005\u4f5c\u4e3a\u6700\u4f73\u8def\u7531\u3002<\/li>\n<li>MED\u5c5e\u6027\u4ec5\u5728\u76f8\u90bb\u4e24\u4e2aAS\u4e4b\u95f4\u4f20\u9012\uff0c\u6536\u5230\u6b64\u5c5e\u6027\u7684AS\u4e00\u65b9\u4e0d\u4f1a\u518d\u5c06\u5176\u901a\u544a\u7ed9\u4efb\u4f55\u5176\u4ed6\u7b2c\u4e09\u65b9AS\u3002<\/li>\n<li>MED\u5c5e\u6027\u53ef\u4ee5\u624b\u52a8\u914d\u7f6e\uff0c\u5982\u679c\u8def\u7531\u6ca1\u6709\u914d\u7f6eMED\u5c5e\u6027\uff0cBGP\u9009\u8def\u65f6\u5c06\u8be5\u8def\u7531\u7684MED\u503c\u6309\u7f3a\u7701\u503c0\u6765\u5904\u7406\u3002<\/li>\n<li>MED\u503c\u7f3a\u7701\u503c0<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8def\u7531\u8ba1\u7b97-\u9009\u8def\u89c4\u5219\n<ul>\n<li>\u5f53\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5b58\u5728\u591a\u6761\u8def\u7531\u65f6\uff0cBGP\u4f9d\u7167\u5982\u4e0b\u7b56\u7565\u987a\u5e8f\u8fdb\u884c\u8def\u7531\u9009\u62e9\n<ul>\n<li>\u5982\u679c\u6b64\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u4e0d\u53ef\u8fbe\uff0c\u5ffd\u7565\u6b64\u8def\u7531\n<ul>\n<li>\u4e0b\u4e00\u8df3\u5730\u5740\u5fc5\u987b\u53ef\u8fbe<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u9009\u534f\u8bae\u9996\u9009\u503c\uff08PrefVal\uff09\u6700\u9ad8\u7684\u8def\u7531\n<ul>\n<li>\u534f\u8bae\u9996\u9009\u503c\uff08PrefVal\uff09\u662f\u534e\u4e3a\u8bbe\u5907\u7684\u7279\u6709\u5c5e\u6027<\/li>\n<li>\u8be5\u5c5e\u6027\u4ec5\u5728\u672c\u5730\u6709\u6548<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u9009\u672c\u5730\u4f18\u5148\u7ea7\uff08Local_Pref\uff09\u6700\u9ad8\u7684\u8def\u7531\n<ul>\n<li>\u5982\u679c\u8def\u7531\u6ca1\u6709\u672c\u5730\u4f18\u5148\u7ea7\uff0cBGP\u9009\u8def\u65f6\u5c06\u8be5\u8def\u7531\u6309\u7f3a\u7701\u7684\u672c\u5730\u4f18\u5148\u7ea7100\u6765\u5904\u7406\u3002<\/li>\n<li>\u901a\u8fc7\u6267\u884cdefault local-preference\u547d\u4ee4\u53ef\u4ee5\u4fee\u6539BGP\u8def\u7531\u7684\u7f3a\u7701\u672c\u5730\u4f18\u5148\u7ea7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u9009\u624b\u52a8\u805a\u5408\u8def\u7531\u3001\u81ea\u52a8\u805a\u5408\u8def\u7531\u3001network\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u3001import-route\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u3001\u4ece\u5bf9\u7b49\u4f53\u5b66\u4e60\u7684\u8def\u7531\n<ul>\n<li>\u672c\u5730\u751f\u6210\u7684\u8def\u7531\u5305\u62ec\u901a\u8fc7network\u547d\u4ee4\u6216import-route\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u3001\u624b\u52a8\u805a\u5408\u8def\u7531\u548c\u81ea\u52a8\u805a\u5408\u8def\u7531\u3002<\/li>\n<li>\u4f18\u9009\u805a\u5408\u8def\u7531\uff08\u805a\u5408\u8def\u7531\u4f18\u5148\u7ea7\u9ad8\u4e8e\u975e\u805a\u5408\u8def\u7531\uff09\u3002<\/li>\n<li>\u901a\u8fc7aggregate\u547d\u4ee4\u751f\u6210\u7684\u624b\u52a8\u805a\u5408\u8def\u7531\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e\u901a\u8fc7summary automatic\u547d\u4ee4\u751f\u6210\u7684\u81ea\u52a8\u805a\u5408\u8def\u7531\u3002<\/li>\n<li>\u901a\u8fc7network\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e\u901a\u8fc7import-route\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u9009AS\u8def\u5f84\uff08AS_Path\uff09\u6700\u77ed\u7684\u8def\u7531\n<ul>\n<li>AS_Path\u7684\u957f\u5ea6\u4e0d\u5305\u62ecAS_CONFED_SEQUENCE\u548cAS_CONFED_SET\u3002<\/li>\n<li>AS_SET\u7684\u957f\u5ea6\u4e3a1\uff0c\u65e0\u8bbaAS_SET\u4e2d\u5305\u62ec\u591a\u5c11AS\u53f7\u3002<\/li>\n<li>\u6267\u884cbestrouteas-path-ignore\u547d\u4ee4\u540e\uff0cBGP\u9009\u8def\u65f6\uff0c\u5ffd\u7565AS_Path\u7684\u6bd4\u8f83\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6bd4\u8f83Origin\u5c5e\u6027\uff0c\u4f9d\u6b21\u4f18\u9009Origin\u7c7b\u578b\u4e3aIGP\u3001EGP\u3001Incomplete\u7684\u8def\u7531<\/li>\n<li>\u4f18\u9009MED\u503c\u6700\u4f4e\u7684\u8def\u7531\n<ul>\n<li>BGP\u53ea\u6bd4\u8f83\u6765\u81ea\u540c\u4e00\u4e2aAS\uff08\u4e0d\u5305\u62ec\u8054\u76df\u7684\u5b50AS\uff09\u7684\u8def\u7531\u7684MED\u503c\u3002\n<ul>\n<li>\u5373\uff0c\u53ea\u6709\u4e24\u6761\u8def\u7531\u7684AS_SEQUENCE\uff08\u4e0d\u5305\u62ecAS_CONFED_SEQUENCE\uff09\u5c5e\u6027\u7684\u7b2c\u4e00\u4e2aAS\u53f7\u76f8\u540c\u65f6\uff0cBGP\u624d\u4f1a\u6bd4\u8f83\u4e8c\u8005\u7684MED\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5982\u679c\u8def\u7531\u6ca1\u6709MED\u5c5e\u6027\uff0cBGP\u9009\u8def\u65f6\u5c06\u8be5\u8def\u7531\u7684MED\u503c\u6309\u7f3a\u7701\u503c0\u6765\u5904\u7406\u3002\n<ul>\n<li>\u6267\u884cbestroutemed-none-as-maximum\u547d\u4ee4\u540e\uff0cBGP\u9009\u8def\u65f6\u5c06\u8be5\u8def\u7531\u7684MED\u503c\u6309\u6700\u5927\u503c4294967295\u6765\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6267\u884ccompare-different-as-med\u547d\u4ee4\u540e\uff0cBGP\u5c06\u5f3a\u5236\u6bd4\u8f83\u6765\u81ea\u4e0d\u540c\u81ea\u6cbb\u7cfb\u7edf\u4e2d\u7684\u90bb\u5c45\u7684\u8def\u7531\u7684MED\u503c\u3002\n<ul>\n<li>\u9664\u975e\u80fd\u591f\u786e\u8ba4\u4e0d\u540c\u7684\u81ea\u6cbb\u7cfb\u7edf\u91c7\u7528\u4e86\u540c\u6837\u7684IGP\u548c\u8def\u7531\u9009\u62e9\u65b9\u5f0f\uff0c\u5426\u5219\u4e0d\u8981\u4f7f\u7528compare-different-as-med\u547d\u4ee4\uff08\u53ef\u80fd\u4ea7\u751f\u73af\u8def\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6267\u884cbestroutemed-confederation\u547d\u4ee4\u540e\uff0c\u53ea\u6709\u5f53AS_Path\u4e2d\u4e0d\u5305\u542b\u5916\u90e8AS\u53f7\uff08\u4e0d\u5c5e\u4e8e\u8054\u76df\u7684\u5b50AS\uff09\uff0c\u4e14AS_CONFED_SEQUENCE\u7684\u7b2c\u4e00\u4e2aAS\u53f7\u76f8\u540c\u65f6\uff0c\u624d\u80fd\u6bd4\u8f83MED\u503c\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u6267\u884cdeterministic-med\u547d\u4ee4\u540e\uff0c\u5c06\u6d88\u9664\u8def\u7531\u63a5\u6536\u987a\u5e8f\u5bf9\u9009\u8def\u7ed3\u679c\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u9009\u4eceEBGP\u90bb\u5c45\u5b66\u6765\u7684\u8def\u7531\uff08EBGP\u8def\u7531\u4f18\u5148\u7ea7\u9ad8\u4e8eIBGP\u8def\u7531\uff09<\/li>\n<li>\u4f18\u9009\u5230\u4e0b\u4e00\u8df3IGP Metric\u8f83\u5c0f\u7684\u8def\u7531<\/li>\n<li>\u4f18\u9009Cluster_List\u6700\u77ed\u7684\u8def\u7531<\/li>\n<li>\u4f18\u9009Router ID\u6700\u5c0f\u7684\u8def\u7531\u5668\u53d1\u5e03\u7684\u8def\u7531<\/li>\n<li>\u6bd4\u8f83\u5bf9\u7b49\u4f53\u7684IP Address\uff0c\u4f18\u9009\u4ece\u5177\u6709\u8f83\u5c0fIP Address\u7684\u5bf9\u7b49\u4f53\u5b66\u6765\u7684\u8def\u7531<\/li>\n<\/ul>\n<\/li>\n<li>\u8d1f\u8f7d\u5206\u62c5\n<ul>\n<li>\u5f53\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5740\u5b58\u5728\u591a\u6761\u7b49\u4ef7\u8def\u7531\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7BGP\u7b49\u4ef7\u8d1f\u8f7d\u5206\u62c5\u5b9e\u73b0\u5747\u8861\u6d41\u91cf\u7684\u76ee\u7684\u3002<\/li>\n<li>\u5f62\u6210BGP\u7b49\u4ef7\u8d1f\u8f7d\u5206\u62c5\u7684\u6761\u4ef6\u662f\uff1aBGP\u9009\u8def\u89c4\u5219\u4e2d\u201c\u5230\u4e0b\u4e00\u8df3\u7684IGPmetric\u201d\u8fd9\u6761\u89c4\u5219\u4e4b\u524d\u6240\u6709\u9700\u8981\u6bd4\u8f83\u7684\u5c5e\u6027\u5b8c\u5168\u76f8\u540c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP 4+\u539f\u7406\n<ul>\n<li>BGP 4 +\u6982\u8ff0\n<ul>\n<li>BGP4 \u7684\u6269\u5c55\u7248\u672c<\/li>\n<li>\u6269\u5c55\u80fd\u529b\u81ea\u534f\u5546\u673a\u5236<\/li>\n<li>\u652f\u6301\u4f20\u9012\u591a\u79cd\u5730\u5740\u65cf\u5730\u5740\uff08IPv6\u3001VPNv4\u3001VPNv6\u7b49\uff09<\/li>\n<li>\u65b0\u589e\u5c5e\u6027\u7528\u4ee5\u652f\u6301\u591a\u5730\u5740\u65cf\u5730\u5740\u4f20\u9012<\/li>\n<\/ul>\n<\/li>\n<li>BGP 4+ \u6269\u5c55\u80fd\u529b\u534f\u5546\n<ul>\n<li>OPEN Message \u4e2d\u8fdb\u884c\u6269\u5c55\u80fd\u529b\u7684\u534f\u5546\n<ul>\n<li>\u5f53\u4e24\u53f0BGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u9700\u8981\u4f20\u8f93IPv6\u5730\u5740\u65cf\u7684\u5730\u5740\u65f6\uff0c\u9700\u8981\u5728OPEN Message \u4e2d\u8fdb\u884c\u6269\u5c55\u80fd\u529b\u7684\u534f\u5546<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>OPEN\u6d88\u606f\u4e2d\u7684Capabilities Advertisement\u5b57\u6bb5\u7528\u4e8e\u6269\u5c55\u80fd\u529b\u7684\u534f\u5546<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>BGP 4 +\u6269\u5c55\u5c5e\u6027\n<ul>\n<li>BGP 4 +\u6269\u5c55\u5c5e\u6027\u2014MP_REACH_NLRI\n<ul>\n<li>lMP_REACH_NLRI\u5c5e\u6027\uff08Type Code=14\uff09<\/li>\n<li>BGP4+\u4f7f\u7528\u6b64\u5c5e\u6027\u6765\u901a\u544aIPv6 \u8def\u7531<\/li>\n<li>\u5f53\u4f20\u9012IPv6\u8def\u7531\u65f6\n<ul>\n<li>AFI=2 \uff0cSAFI=1(Unicast) ,SAFI=2(Multicast)<\/li>\n<li>\u4e0b\u4e00\u8df3\u5730\u5740\u957f\u5ea6\u5b57\u6bb5\u51b3\u5b9a\u4e86\u4e0b\u4e00\u8df3\u5730\u5740\u7684\u4e2a\u6570\n<ul>\n<li>\u957f\u5ea6\u5b57\u6bb5=16\uff0c\u4e0b\u4e00\u8df3\u5730\u5740\u4e3a\u4e0b\u4e00\u8df3\u8def\u7531\u5668\u7684\u5168\u7403\u5355\u64ad\u5730\u5740<\/li>\n<li>\u957f\u5ea6\u5b57\u6bb5=32\uff0c\u4e0b\u4e00\u8df3\u5730\u5740\u4e3a\u4e0b\u4e00\u8df3\u8def\u7531\u5668\u7684\u5168\u7403\u5355\u64ad\u5730\u5740\u548c\u94fe\u8def\u672c\u5730\u5730\u5740<\/li>\n<\/ul>\n<\/li>\n<li>\u4fdd\u7559\u5b57\u6bb5\uff0c\u6052\u7b49\u4e8e0<\/li>\n<li>NLRI\u5b57\u6bb5\uff0c\u53ef\u53d8\u957f\u5b57\u6bb5\uff0c\u8868\u793a\u8def\u7531\u524d\u7f00\u548c\u63a9\u7801\u4fe1\u606f\u3002<\/li>\n<li>\u62d3\u6251\u53ca\u62a5\u6587<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u7ed3\u6784\u8bf4\u660e<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5730\u5740\u65cf\u4fe1\u606f\uff08AddressFamily Information\uff09\u57df\n<ul>\n<li>\u75312\u5b57\u8282\u7684\u5730\u5740\u65cf\u6807\u8bc6AFI\uff08AddressFamily Identifier\uff09\u548c1\u5b57\u8282\u7684\u5b50\u5730\u5740\u65cf\u6807\u8bc6SAFI\uff08SubsequentAddress Family Identifier\uff09\u7ec4\u6210\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e0b\u4e00\u8df3\u957f\u5ea6\uff08Lengthof Next HopNetwork Address\uff09\u57df\n<ul>\n<li>1\u5b57\u8282\u957f\u5ea6<\/li>\n<li>\u8868\u793a\u4e0b\u4e00\u8df3\u5730\u5740\u7684\u957f\u5ea6<\/li>\n<li>\u901a\u5e38\u60c5\u51b5\u4e0b\u4e3a16<\/li>\n<\/ul>\n<\/li>\n<li>\u4e0b\u4e00\u8df3\u5730\u5740\uff08NetworkAddress of Next Hop\uff09\u57df\n<ul>\n<li>\u957f\u5ea6\u7531\u4e0a\u4e00\u4e2a\u5b57\u6bb5\u51b3\u5b9a<\/li>\n<li>\u4e00\u822c\u60c5\u51b5\u4e0b\u4e3a\u5168\u7403\u5355\u64ad\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4fdd\u7559\u5b57\u6bb5\uff08Reserved\uff09\u57df\n<ul>\n<li>\u4e00\u5b57\u8282<\/li>\n<li>\u5fc5\u987b\u4e3a0<\/li>\n<\/ul>\n<\/li>\n<li>\u7f51\u7edc\u5c42\u53ef\u8fbe\u4fe1\u606f\uff08Network Layer ReachabilityInformation\uff09\u57df\n<ul>\n<li>\u8868\u793a\u542b\u6709\u5339\u914d\u76f8\u540c\u5c5e\u6027\u7684\u8def\u7531\u4fe1\u606f\u3002<\/li>\n<li>\u5f53\u6b64\u5b57\u6bb5\u4e3a0\u65f6\uff0c\u8868\u793a\u4e3a\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP 4 +\u6269\u5c55\u5c5e\u6027\u2014MP_UNREACH_NLRI\n<ul>\n<li>MP_UNREACH_NLRI\u5c5e\u6027(Type Code= 15 )<\/li>\n<li>BGP 4+\u7528\u8be5\u5c5e\u6027\u64a4\u9500\u8def\u7531<\/li>\n<li>\u5f53\u64a4\u9500IPv6\u8def\u7531\u65f6\n<ul>\n<li>AFI=2 \uff0cSAFI=1(Unicast) ,SAFI=2(Multicast)<\/li>\n<li>Withdrawn Routes \u5b57\u6bb5\u4ee3\u8868\u9700\u8981\u64a4\u56de\u7684\u8def\u7531\u524d\u7f00\u53ca\u63a9\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u7ed3\u6784\u8bf4\u660e<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5730\u5740\u65cf\u4fe1\u606f\uff08AddressFamily Information\uff09\u57df\n<ul>\n<li>\u75312\u5b57\u8282\u7684\u5730\u5740\u65cf\u6807\u8bc6AFI\uff08AddressFamily Identifier\uff09\u548c1\u5b57\u8282\u7684\u5b50\u5730\u5740\u65cf\u6807\u8bc6SAFI\uff08SubsequentAddress Family Identifier\uff09\u7ec4\u6210\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u64a4\u9500\u8def\u7531\uff08Withdrawn Routes\uff09\u57df\n<ul>\n<li>\u8868\u793a\u64a4\u9500\u7684\u8def\u7531\u6761\u76ee\u3002<\/li>\n<li>\u683c\u5f0f\u4e3a&lt;\u63a9\u7801\u957f\u5ea6\uff0c\u8def\u7531\u524d\u7f00&gt; \u3002<\/li>\n<li>\u5f53\u6b64\u63a9\u7801\u957f\u5ea6\u4e3a0\u65f6\uff0c\u8868\u793a\u4e3a\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP &amp;BGP 4+\u57fa\u672c\u914d\u7f6e\n<ul>\n<li>\u914d\u7f6eBGP\u57fa\u672c\u529f\u80fd\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5404AS\u4e4b\u95f4\u7684\u76f4\u8fde\u8fb9\u754c\u8def\u7531\u4e4b\u95f4\u5efa\u7acbEBGP\u90bb\u5c45\u5173\u7cfb<\/li>\n<li>AS\u5185\u5efa\u7acb\u7a33\u5b9a\u7684IBGP\u90bb\u5c45\u5173\u7cfb<\/li>\n<li>\u6240\u6709\u7684IPv4\u548cIPv6\u7f51\u7edc\u4e4b\u95f4\u80fd\u591f\u4e92\u901a<\/li>\n<li>AS\u5185\u90e8\u901a\u8fc7IGP\u5b9e\u73b0\u4e92\u901a<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>peer as-number\u547d\u4ee4\u7528\u6765\u914d\u7f6e\u6307\u5b9a\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u7684\u5bf9\u7aefAS\u53f7\u3002<\/li>\n<li>peer connect-interface\u547d\u4ee4\u7528\u6765\u6307\u5b9a\u53d1\u9001BGP\u62a5\u6587\u7684\u6e90\u63a5\u53e3\uff0c\u5e76\u53ef\u6307\u5b9a\u53d1\u8d77\u8fde\u63a5\u65f6\u4f7f\u7528\u7684\u6e90\u5730\u5740\u3002<\/li>\n<li>peer next-hop-local\u547d\u4ee4\u7528\u6765\u8bbe\u7f6e\u5411IBGP\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u901a\u544a\u8def\u7531\u65f6\uff0c\u628a\u4e0b\u4e00\u8df3\u5c5e\u6027\u8bbe\u4e3a\u81ea\u8eab\u7684IP\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>\u4e0a\u8ff0\u547d\u4ee4\u5747\u4e3aBGP\u8fdb\u7a0b\u89c6\u56fe\u4e0b\u7684\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>peer\u00a0ipv4-address\u00a0\u00a0as-number\u00a0as-number\n<ul>\n<li>ip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>as-number\uff1a\u5bf9\u7b49\u4f53\u7684\u5bf9\u7aefAS\u53f7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>peer\u00a0ipv4-address\u00a0\u00a0connect-interface\u00a0interface-type\u00a0interface-number\u00a0[\u00a0ipv4-source-address\u00a0]\n<ul>\n<li>ip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>interface-type\u00a0interface-number\uff1a\u63a5\u53e3\u7c7b\u578b\u548c\u63a5\u53e3\u53f7\u3002<\/li>\n<li>ipv4-source-address\uff1a\u5efa\u7acb\u8fde\u63a5\u65f6\u7684IPv4\u6e90\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>peer\u00a0ipv4-address\u00a0\u00a0next-hop-local\n<ul>\n<li>ip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>\u5728\u4f7f\u7528Loopback\u63a5\u53e3\u4f5c\u4e3aBGP\u62a5\u6587\u7684\u6e90\u63a5\u53e3\u65f6\uff0c\u5fc5\u987b\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a\n<ul>\n<li>\u786e\u8ba4BGP\u5bf9\u7b49\u4f53\u7684Loopback\u63a5\u53e3\u7684\u5730\u5740\u662f\u53ef\u8fbe\u7684\u3002<\/li>\n<li>\u5982\u679c\u662fEBGP\u8fde\u63a5\uff0c\u8fd8\u8981\u914d\u7f6epeerebgp-max-hop\u547d\u4ee4\uff0c\u5141\u8bb8EBGP\u901a\u8fc7\u975e\u76f4\u8fde\u65b9\u5f0f\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n<li>peer next-hop-local\u548cpeernext-hop-invariable\u662f\u4e24\u6761\u4e92\u65a5\u547d\u4ee4\u3002<\/li>\n<li>Display bgp peer\u4e2d\u7684PrefRcv\u8868\u793a\u672c\u7aef\u4ece\u5bf9\u7b49\u4f53\u4e0a\u6536\u5230\u8def\u7531\u524d\u7f00\u7684\u6570\u76ee\u3002<\/li>\n<li>IPv6\u7684\u914d\u7f6e\u4e0eIPv4\u57fa\u672c\u4e00\u81f4\uff0c\u4f46\u662f\u5728\u6307\u5b9a\u5b8cpeer\u5730\u5740\u548cas-number\u4e4b\u540e\uff0c\u9700\u624b\u5de5\u8fdb\u5165ipv6-familyunicast\u89c6\u56fe\uff0c\u6267\u884cpeer peer-ip-address enable \u547d\u4ee4\u6765\u6fc0\u6d3b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5730\u5740\u5206\u914d\u89c4\u5219\n<ul>\n<li>Rx\u548cRy\uff08X&lt;Y\uff09\u76f4\u8fde\u63a5\u53e3\u7684IPv4\u7f51\u6bb5\u4e3a\uff1a10.0.xy.0\/24. Rx\u76f8\u5e94\u63a5\u53e3\u7684\u5730\u5740\u4e3a10.0.xy.x \uff0cRy\u4e3a10.0.xy.y<\/li>\n<li>Rx\u548cRy\uff08X&lt;Y\uff09\u76f4\u8fde\u63a5\u53e3\u7684IPv6\u7f51\u6bb5\u4e3a\uff1a2000::xy00\/120. Rx\u76f8\u5e94\u63a5\u53e3\u7684\u5730\u5740\u4e3a2000::xy0x \uff0cRy\u4e3a2000::xy0y<\/li>\n<li>\u5404\u8def\u7531\u5668\u7684LoopBack 0 \u63a5\u53e3\u7684\u5730\u5740\u5df2\u7ed9\u51fa,\u5404LoopBack 0\u63a5\u53e3\u7684IPv6\u5730\u5740\u4e3a2000::z(z\u4e3a\u76f8\u5e94\u8def\u7531\u5668\u7684\u7f16\u53f7)<\/li>\n<\/ul>\n<\/li>\n<li>\u63d0\u793a\n<ul>\n<li>AS\u5185\u53ef\u8fd0\u884cOSPF\uff0cISIS\u7b49\u534f\u8bae\u6765\u5b9e\u73b0\u4e92\u901a<\/li>\n<li>\u7a33\u5b9a\u7684IBGP\u5173\u7cfb\u53ef\u901a\u8fc7loopback\u63a5\u53e3\u6765\u5efa\u7acb<\/li>\n<li>EBGP\u90bb\u5c45\u5173\u7cfb\u76f4\u63a5\u7528\u7269\u7406\u63a5\u53e3\u5efa\u7acb\u5373\u53ef<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u2013 PrefVal\u5c5e\u6027\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u4eceR1\u53bb\u5f80AS400\u4e2d\u768410.0.4.0\/24\u7f51\u6bb5\u8d70\u8def\u5f84R1-R2-R4-R6-R7<\/li>\n<li>\u4eceR1\u53bb\u5f80AS400\u4e2d\u76842000:0:0:4::\/64\u7f51\u6bb5\u8d70\u8def\u5f84R1-R3-R5-R6-R7<\/li>\n<li>\u53ea\u80fd\u5bf9R1\u4ea7\u751f\u6548\u679c\uff0c\u4e0d\u5f71\u54cd\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907<\/li>\n<li>\u6b64\u62d3\u6251\u4e0e\u201c\u57fa\u7840\u914d\u7f6e\u201d\u4e00\u81f4\uff0c\u5df2\u5efa\u7acb\u4e86BGP\u90bb\u5c45\u5173\u7cfb<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>peer route-policy\u547d\u4ee4\u7528\u6765\u5bf9\u6765\u81ea\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u7684\u8def\u7531\u6216\u5411\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u53d1\u5e03\u7684\u8def\u7531\u6307\u5b9aRoute-Policy\uff0c\u5bf9\u63a5\u6536\u6216\u53d1\u5e03\u7684\u8def\u7531\u8fdb\u884c\u63a7\u5236\u3002<\/li>\n<li>apply preferred-value preferred-value\u00a0\u547d\u4ee4\u7528\u6765\u5728\u8def\u7531\u7b56\u7565\u4e2d\u914d\u7f6e\u6539\u53d8BGP\u8def\u7531\u7684\u9996\u9009\u503c\u7684\u52a8\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>peer route-policy\u547d\u4ee4\u4e3aBGP\u89c6\u56fe\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>peer\u00a0\u00a0ipv4-address\u00a0\u00a0route-policy\u00a0route-policy-name\u00a0{\u00a0import\u00a0|\u00a0export\u00a0}<\/li>\n<li>ipv4-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>route-policy-name\uff1aRoute-Policy\u7684\u540d\u79f0\u3002<\/li>\n<li>import\uff1a\u5bf9\u4ece\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u6765\u7684\u8def\u7531\u5e94\u7528Route-Policy\u3002<\/li>\n<li>export\uff1a\u5bf9\u5411\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u53d1\u5e03\u7684\u8def\u7531\u5e94\u7528Route-Policy\u3002<\/li>\n<li>preferred-value\uff1a\u6307\u5b9aBGP\u7684\u9996\u9009\u503c\u3002\u5728\u9009\u62e9\u8def\u7531\u65f6\uff0c\u534f\u8bae\u4f18\u9009\u9996\u9009\u503c\u6700\u9ad8\u7684BGP\u8def\u7531\u3002\u6574\u6570\u5f62\u5f0f\uff0c\u53d6\u503c\u8303\u56f40\uff5e65535\uff0c\u9ed8\u8ba4\u4e3a0<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u9a8c\u73b0\u8c61\n<ul>\n<li>\u6211\u4eec\u4f7f\u7528display bgp routing-table\u548cdisplay bgp ipv6\u00a0 routing-table\u547d\u4ee4\u67e5\u770bBGP\u8def\u7531\u8868\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>Preferred-value\u662fBGP\u534f\u8bae\u7684\u79c1\u6709\u5c5e\u6027\uff0c\u8be5\u547d\u4ee4\u53ea\u5bf9BGP\u8def\u7531\u751f\u6548\u3002<\/li>\n<li>Preferred-value\u662fBGP\u9009\u8def\u89c4\u5219\u4e2d\u7684weight\u503c\uff0c\u4e0d\u662fRFC\u89c4\u5b9a\u7684\u6807\u51c6\u5c5e\u6027\uff0c\u6240\u4ee5\u8be5\u547d\u4ee4\u4ec5\u5728\u672c\u5730\u751f\u6548\uff0c\u5728BGP\u7684\u51fa\u53e3\u7b56\u7565\u4e2d\u4e0d\u751f\u6548\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u2013Local_Pref\u5c5e\u6027\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u4eceR1\u53bb\u5f80AS400\u4e2d\u768410.0.4.0\/24\u548c2000:0:0:4::\/64\u7f51\u6bb5\u8d70\u8def\u5f84R1-R3-R5-R6-R7<\/li>\n<li>\u53ea\u80fd\u64cd\u4f5cAS100\u7684\u8bbe\u5907<\/li>\n<li>\u6cbf\u7528BGP\u201c\u57fa\u7840\u914d\u7f6e\u201d\u62d3\u6251\uff0c\u4ec5\u5efa\u7acb\u4e86BGP\u90bb\u5c45\u5173\u7cfb<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\uff1a\n<ul>\n<li>apply local-preference preference\u00a0\u00a0 \u914d\u7f6e\u8def\u7531\u7684\u672c\u5730\u4f18\u5148\u7ea7<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u542b\u4e49\uff1a\n<ul>\n<li>Preference\u00a0 \u6307\u5b9a\u7684BGP\u8def\u7531\u7684\u672c\u5730\u4f18\u5148\u7ea7\uff0c\u6574\u6570\u5f62\u5f0f\uff0c\u53d6\u503c\u8303\u56f4\u662f0\uff5e4294967295\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e3a100<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\uff1a\n<ul>\n<li>\u7b56\u7565\u751f\u6548\u540e\uff0c\u5c06\u5f71\u54cdBGP\u8def\u7531\u9009\u8def\u3002<\/li>\n<li>\u672c\u5730\u4f18\u5148\u7ea7\u4ec5\u7528\u4e8e\u540c\u4e00\u4e2aAS\u57df\u5185\u7684\u9009\u8def\uff0c\u4e0d\u5411\u57df\u5916\u53d1\u5e03\u8fd9\u4e2a\u5c5e\u6027\uff0c\u6240\u4ee5\u7528\u4e8e\u914d\u7f6eEBGP\u90bb\u5c45\u7684export\u65b9\u5411\u7684\u7b56\u7565\u65f6\uff0capplylocal-preference\u547d\u4ee4\u7684\u8bbe\u7f6e\u4e0d\u751f\u6548\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f51\u7edc\u5b58\u5728\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u53ef\u901a\u8fc7R2\u5ba3\u544a\u66f4\u9ad8MED\u5c5e\u6027\u7684\u8def\u7531\uff0c\u4f7f\u5f97R5\u9009\u62e9R3\u5ba3\u544a\u7684\u8def\u7531\u89e3\u51b3\u95ee\u9898\uff0c\u65b9\u6cd5\u8be6\u89c1\u201c\u914d\u7f6eBGP\u2013 MED\u5c5e\u6027\u201d<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6eBGP\u2013 MED\u5c5e\u6027\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u89e3\u51b3\u4e0a\u4e00\u6b65\u7f51\u7edc\u51fa\u73b0\u7684\u95ee\u9898<\/li>\n<li>\u53ea\u80fd\u64cd\u4f5cAS100\u7684\u8bbe\u5907<\/li>\n<li>\u4fdd\u7559\u4e0a\u4e00\u6b65local-preference\u7684\u914d\u7f6e\uff0c\u5176\u4ed6\u4e0d\u53d8\u3002<\/li>\n<li>\u9700\u8981\u89e3\u51b3\u4e0a\u4e00\u6b65\u51fa\u73b0\u7684\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u53ef\u901a\u8fc7R2\u5ba3\u544a\u66f4\u9ad8MED\u5c5e\u6027\u7684\u8def\u7531\uff0c\u4f7f\u5f97R5\u9009\u62e9R3\u5ba3\u544a\u7684\u8def\u7531\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>apply cost [ + | &#8211; ] \u00a0\u00a0cost\u547d \u4ee4\u7528\u6765\u5728\u8def\u7531\u7b56\u7565\u4e2d\u914d\u7f6e\u6539\u53d8\u8def\u7531\u7684\u5f00\u9500\u503c\u7684\u52a8\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u542b\u4e49\uff1a\n<ul>\n<li>+ \uff1a\u8868\u793a\u589e\u52a0\u5f00\u9500\u503c\u3002<\/li>\n<li>&#8211; \uff1a\u8868\u793a\u51cf\u5c11\u5f00\u9500\u503c\u3002<\/li>\n<li>cost \uff1a\u6307\u5b9a\u8def\u7531\u7684\u5f00\u9500\u503c\u3002\u5bf9\u8def\u7531\u7684\u9009\u8def\u8fdb\u884c\u63a7\u5236\uff0c\u9700\u8981\u5c06\u8def\u7531\u7684\u5f00\u9500\u8bbe\u7f6e\u4e3a\u56fa\u5b9a\u503c\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5f00\u9500\u503c\u907f\u514d\u8def\u7531\u73af\u8def\u7684\u4ea7\u751f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\uff1a\n<ul>\n<li>\u5728\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cBGP\u53ea\u6bd4\u8f83\u6765\u81ea\u540c\u4e00AS\u7684\u8def\u7531\u7684MED\u503c\u3002<\/li>\n<li>\u8fd9\u91cc\u7684AS\u4e0d\u5305\u62ec\u8054\u76df\u7684\u5b50AS\u3002<\/li>\n<li>\u4e3a\u4e86\u4f7fBGP\u5728\u8054\u76df\u5185\u9009\u62e9\u6700\u4f18\u8def\u7531\u65f6\u80fd\u591f\u6bd4\u8f83MED\u503c\uff0c\u53ef\u4ee5\u914d\u7f6ebestroutemed-confederation\u547d\u4ee4\u3002\n<ul>\n<li>\u914d\u7f6ebestroutemed-confederation\u547d\u4ee4\u540e\uff0c\u53ea\u6709\u5f53AS_Path\u4e2d\u4e0d\u5305\u542b\u5916\u90e8\u81ea\u6cbb\u7cfb\u7edf\uff08\u4e0d\u5728\u8054\u76df\u5185\u7684\u81ea\u6cbb\u7cfb\u7edf\uff09\u53f7\u65f6\u624d\u6bd4\u8f83MED\u503c\u7684\u5927\u5c0f\u3002<\/li>\n<li>\u5982\u679cAS_Path\u4e2d\u5305\u542b\u5916\u90e8\u81ea\u6cbb\u7cfb\u7edf\u53f7\uff0c\u5219\u4e0d\u8fdb\u884c\u6bd4\u8f83\u3002\n<ul>\n<li>\u4f8b\u5982\uff1a\u81ea\u6cbb\u7cfb\u7edf65000\u300165001\u300165002\u548c65004\u5c5e\u4e8e\u540c\u4e00\u8054\u76df\u3002\u56db\u6761\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5740\u7684\u5f85\u9009\u8def\u7531\u5982\u4e0b\u6240\u793a\uff1a<\/li>\n<li>path1\uff1aAS_Path=6500065004\uff0cmed=2<\/li>\n<li>path2\uff1aAS_Path=6500165004\uff0cmed=3<\/li>\n<li>path3\uff1aAS_Path=6500265004\uff0cmed=4<\/li>\n<li>path4\uff1aAS_Path=6500365004\uff0cmed=1<\/li>\n<\/ul>\n<\/li>\n<li>\u5728\u914d\u7f6ebestroutemed-confederation\u547d\u4ee4\u540e\uff0c\u56e0\u4e3apath1\u3001path2\u548cpath3\u7684AS_Path\u4e2d\u4e0d\u5305\u542b\u540c\u4e00\u8054\u76df\u5916\u7684\u81ea\u6cbb\u7cfb\u7edf\uff0c\u6240\u4ee5\u5f53BGP\u9700\u8981\u901a\u8fc7\u6bd4\u8f83MED\u503c\u6765\u9009\u62e9\u8def\u7531\u65f6\uff0c\u5c06\u53ea\u6bd4\u8f83path1\u3001path2\u548cpath3\u7684MED\u503c\u3002\u800cpath4\u7684AS_Path\u4e2d\u5305\u542b\u540c\u4e00\u8054\u76df\u5916\u7684\u81ea\u6cbb\u7cfb\u7edf\uff0c\u56e0\u6b64\u4e0d\u6bd4\u8f83path4\u7684MED\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u2013 BGP AS_Path\u5c5e\u6027\n<ul>\n<li>\u914d\u7f6eBGP\u2013 BGP AS_Path\u5c5e\u60271\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS500\u5185\u7684\u7528\u6237\u9700\u8981\u4f18\u9009\u7ecf\u8fc7AS300\u5230\u8fbeAS100\u7684\u8def\u7531<\/li>\n<li>\u4ec5\u80fd\u64cd\u4f5cAS200\u5185\u7684\u8bbe\u5907<\/li>\n<li>l\u62d3\u6251\u4e0e\u914d\u7f6e\u91c7\u7528\u201c\u57fa\u7840\u914d\u7f6e\u201d\u7684\u5185\u5bb9\u3002\u4ec5\u6709\u57fa\u672c\u7684BGP\u90bb\u5c45\u914d\u7f6e<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>apply as-path {{ as-number-plain | as-number-dot } &amp;&lt;1-10&gt; { additive } | noneoverwrite }<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u542b\u4e49\n<ul>\n<li>as-number-plain\uff1a\u6307\u5b9a\u8981\u66ff\u6362\u6216\u589e\u52a0\u7684\u6574\u6570\u5f62\u5f0f\u7684AS\u53f7\u3002\u5728\u540c\u4e00\u4e2a\u547d\u4ee4\u884c\u4e2d\u6700\u591a\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a10\u4e2aAS\u53f7\u3002<\/li>\n<li>as-number-dot\uff1a\u6307\u5b9a\u8981\u66ff\u6362\u6216\u589e\u52a0\u7684\u70b9\u5206\u5f62\u5f0f\u7684AS\u53f7\u3002\u5728\u540c\u4e00\u4e2a\u547d\u4ee4\u884c\u4e2d\u6700\u591a\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a10\u4e2aAS\u53f7\u3002<\/li>\n<li>additive \uff1a\u5728\u539f\u6709\u7684AS_Path\u5217\u8868\u4e2d\u8ffd\u52a0\u6307\u5b9a\u7684AS\u53f7\u3002<\/li>\n<li>overwrite \uff1a\u7528\u6307\u5b9a\u7684AS\u53f7\u8986\u76d6\u539f\u6709\u7684AS_Path\u5217\u8868\u3002<\/li>\n<li>None \uff1a\u6e05\u7a7a\u539f\u6765\u7684AS_Path\u5217\u8868\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\uff1a\n<ul>\n<li>\u7b56\u7565\u751f\u6548\u540e\uff0c\u5c06\u4f1a\u5f71\u54cdBGP\u8def\u7531\u9009\u8def\u3002<\/li>\n<li>\u914d\u7f6e\u8be5\u547d\u4ee4\u4f1a\u76f4\u63a5\u5f71\u54cd\u7f51\u7edc\u6d41\u91cf\u6240\u7ecf\u8fc7\u7684\u9014\u5f84\uff0c\u53e6\u5916\u4e5f\u53ef\u80fd\u9020\u6210\u73af\u8def\u548c\u9009\u8def\u9519\u8bef\uff0c\u8bf7\u8c28\u614e\u4f7f\u7528\u8be5\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u2013 BGP AS_Path\u5c5e\u60272\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS500\u5185\u7684\u7528\u6237\u9700\u8981\u4f18\u9009\u7ecf\u8fc7AS300\u5230\u8fbeAS100\u7684\u8def\u7531<\/li>\n<li>\u4ec5\u80fd\u5728AS500\u5185\u7684\u8bbe\u5907\u4e0a\u8fdb\u884c\u64cd\u4f5c<\/li>\n<li>AS500\u4e0d\u77e5\u9053\u5168\u7f51\u7684\u62d3\u6251\u4fe1\u606f<\/li>\n<li>\u62d3\u6251\u4e0e\u914d\u7f6e\u91c7\u7528\u201c\u57fa\u7840\u914d\u7f6e\u201d\u7684\u5185\u5bb9\u3002\u4ec5\u6709\u57fa\u672c\u7684BGP\u90bb\u5c45\u914d\u7f6e<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\uff1a\n<ul>\n<li>if-match as-path-filter {as-path-filter-number &amp;&lt;1-16&gt; | as-path-filter-name }<\/li>\n<li>ip as-path-filter { as-path-filter-number | as-path-filter-name } { deny | permit } regular-expression\u547d\u4ee4\u7528\u6765\u521b\u5efaAS\u8def\u5f84\u8fc7\u6ee4\u5668<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u542b\u4e49\uff1a\n<ul>\n<li>as-path-filter-number\uff1a\u6307\u5b9aAS\u8def\u5f84\u8fc7\u6ee4\u5668\u53f7\u3002\u5728\u4e00\u4e2a\u547d\u4ee4\u884c\u4e2d\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2a\u6b64\u53c2\u6570\uff0c\u4f46\u6700\u5927\u4e0d\u80fd\u8d85\u8fc716\u3002\u6574\u6570\u5f62\u5f0f\uff0c\u53d6\u503c\u8303\u56f41\uff5e256\u3002<\/li>\n<li>as-path-filter-name\u6307\u5b9aAS\u8def\u5f84\u8fc7\u6ee4\u5668\u540d\u79f0\u3002\u5b57\u7b26\u4e32\u5f62\u5f0f\uff0c\u533a\u5206\u5927\u5c0f\u5199\uff0c\u4e0d\u652f\u6301\u7a7a\u683c\uff0c\u957f\u5ea6\u8303\u56f4\u662f1\uff5e51\uff0c\u4e14\u4e0d\u80fd\u90fd\u662f\u6570\u5b57\u3002\u5f53\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u4e24\u7aef\u4f7f\u7528\u53cc\u5f15\u53f7\u65f6\uff0c\u53ef\u5728\u5b57\u7b26\u4e32\u4e2d\u8f93\u5165\u7a7a\u683c\u3002<\/li>\n<li>deny\u6307\u5b9aAS\u8def\u5f84\u8fc7\u6ee4\u5668\u7684\u5339\u914d\u6a21\u5f0f\u4e3a\u62d2\u7edd\u3002<\/li>\n<li>ermit \u6307\u5b9aAS\u8def\u5f84\u8fc7\u6ee4\u5668\u7684\u5339\u914d\u6a21\u5f0f\u4e3a\u5141\u8bb8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\uff1a\n<ul>\n<li>\u5728\u4e00\u4e2a\u547d\u4ee4\u884c\u4e2d\u53ef\u4ee5\u914d\u7f6e\u591a\u4e2aAS-Path-filter\u503c\uff0c\u4f46\u6700\u591a\u4e0d\u80fd\u8d85\u8fc716\u4e2a\u3002\u5b83\u4eec\u4e4b\u95f4\u662f\u201c\u6216\u201d\u7684\u5173\u7cfb\uff0c\u5373\u901a\u8fc7\u5176\u4e2d\u67d0\u4e00\u4e2aAS\u8def\u5f84\u8fc7\u6ee4\u5668\u7684\u8fc7\u6ee4\u5c31\u53ef\u4ee5\u901a\u8fc7\u8be5\u547d\u4ee4\u7684\u8fc7\u6ee4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS\u8def\u5f84\u8fc7\u6ee4\u5668\uff08AS_Path-Filter\uff09\n<ul>\n<li>AS\u8def\u5f84\u8fc7\u6ee4\u5668\u662f\u4e00\u7ec4\u9488\u5bf9BGP\u8def\u7531\u7684AS_Path\u5c5e\u6027\u8fdb\u884c\u8fc7\u6ee4\u7684\u89c4\u5219<\/li>\n<li>AS\u8def\u5f84\u8fc7\u6ee4\u5668\u7684\u9ed8\u8ba4\u884c\u4e3a\u662fdeny\uff0c\u5373\u8def\u7531\u5982\u679c\u6ca1\u6709\u5728\u67d0\u4e00\u6b21\u8fc7\u6ee4\u4e2d\u88abpermit\u5219\u6700\u7ec8\u4e0d\u80fd\u901a\u8fc7\u8be5\u8fc7\u6ee4\u5668\u7684\u8fc7\u6ee4\u3002<\/li>\n<li>AS\u8def\u5f84\u8fc7\u6ee4\u5668\u7684\u5339\u914d\u6761\u4ef6\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6307\u5b9a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u4e3e\u4f8b\uff1a\n<ul>\n<li>\u2460 ^10_\u00a0\u00a0\u5339\u914dAS_Path\u5c5e\u6027\u4ee5AS10\u5f00\u5934\u7684\u8def\u7531<\/li>\n<li>\u2461 _20_\u00a0\u00a0\u00a0\u5339\u914dAS_Path\u5c5e\u6027\u4e2d\u5305\u542bAS20\u7684\u8def\u7531<\/li>\n<li>\u2462.*\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5339\u914d\u6240\u6709AS_Path\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u2013\u8d1f\u8f7d\u5206\u62c5\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS500\u4e2d\u7684\u8bbe\u5907\u5145\u5206\u5229\u7528\u4e24\u6761\u94fe\u8def\u8bbf\u95eeAS100<\/li>\n<li>\u53ea\u80fd\u64cd\u4f5cAS500\u4e2d\u7684\u8bbe\u5907<\/li>\n<li>\u62d3\u6251\u4e0e\u914d\u7f6e\u91c7\u7528\u201c\u57fa\u7840\u914d\u7f6e\u201d\u7684\u5185\u5bb9\u3002\u4ec5\u6709\u57fa\u672c\u7684BGP\u90bb\u5c45\u914d\u7f6e<\/li>\n<\/ul>\n<ul>\n<li>\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\uff1a\n<ul>\n<li>maximumload-balancing\u547d\u4ee4\u7528\u6765\u8bbe\u7f6e\u7b49\u4ef7\u8def\u7531\u7684\u6700\u5927\u6761\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>\u547d\u4ee4maximumload-balancing\u4e3aBGP\u89c6\u56fe\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>ebgp\uff1a\u4ec5EBGP\u8def\u7531\u53c2\u4e0e\u8d1f\u8f7d\u5206\u62c5\u3002<\/li>\n<li>ibgp\uff1a\u4ec5IBGP\u8def\u7531\u53c2\u4e0e\u8d1f\u8f7d\u5206\u62c5\u3002<\/li>\n<li>number\uff1aBGP\u8def\u7531\u8868\u4e2d\u6700\u5927\u7b49\u4ef7\u8def\u7531\u6761\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>\u5982\u679c\u914d\u7f6e\u4e86maximumload-balancing\u00a0number\u547d\u4ee4\uff0c\u90a3\u4e48\u518d\u914d\u7f6emaximumload-balancing\u00a0ebgp\u00a0number\u6216maximumload-balancing\u00a0ibgpnumber\u547d\u4ee4\u90fd\u4e0d\u4f1a\u751f\u6548\uff1b\u5982\u679c\u914d\u7f6e\u4e86maximumload-balancing\u00a0ebgp\u00a0number\u6216maximumload-balancing\u00a0ibgp\u00a0number\u547d\u4ee4\uff0c\u90a3\u4e48\u518d\u914d\u7f6emaximumload-balancing\u00a0number\u547d\u4ee4\u4e5f\u4e0d\u4f1a\u751f\u6548\u3002<\/li>\n<li>AS_Path\u4e0d\u4ec5\u9700\u8981\u957f\u5ea6\u76f8\u7b49\uff0c\u5185\u5bb9\u4e5f\u5fc5\u987b\u4e00\u81f4\u624d\u80fd\u5f62\u6210\u8d1f\u8f7d\u5206\u62c5\u3002\u53ef\u5728BGP\u8fdb\u7a0b\u89c6\u56fe\u4e0b\u4f7f\u7528load-balancingas-path-ignore\u8bbe\u7f6e\u8def\u7531\u5728\u5f62\u6210\u8d1f\u8f7d\u5206\u62c5\u65f6\u4e0d\u6bd4\u8f83\u8def\u7531\u7684AS-Path\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u9a8c\u7ed3\u679c\n<ul>\n<li>\u4f7f\u7528\u547d\u4ee4displayiprouting-table protocol bgp\u53ef\u4ee5\u67e5\u770b\u5230\u901a\u8fc7BGP\u5b66\u5230\u7684\u7b49\u4ef7\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u6545\u969c\u8bca\u65ad\n<ul>\n<li>BGP\u6545\u969c\u8bca\u65ad\u6848\u4f8b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u4e09\u53f0\u8def\u7531\u4e2d\u7684\u76f4\u8fde\u8def\u7531\u5668\u4e4b\u95f4\u5efa\u7acbBGP\u90bb\u5c45\u5173\u7cfb<\/li>\n<li>\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\u53d1\u73b0R1\u548cR3\u6240\u8fde\u63a5\u7684\u7f51\u7edc\u65e0\u6cd5\u4e92\u8bbf<\/li>\n<li>\u5206\u6790\u5e76\u89e3\u51b3\u6b64\u95ee\u9898<\/li>\n<\/ul>\n<ul>\n<li>BGP\u6545\u969c\u6392\u9664\u6d41\u7a0b\n<ul>\n<li>BGP\u90bb\u5c45\u72b6\u6001\u65e0\u6cd5\u5230\u8fbeEstablished\u72b6\u6001\n<ul>\n<li>IGP\u4e0d\u901a<\/li>\n<li>ACL\u8fc7\u6ee4\u4e86TCP\u7684179\u7aef\u53e3<\/li>\n<li>\u90bb\u5c45\u7684Router ID\u51b2\u7a81<\/li>\n<li>\u914d\u7f6e\u7684\u90bb\u5c45\u7684AS\u53f7\u9519\u8bef<\/li>\n<li>\u7528Loopback\u53e3\u5efa\u7acb\u90bb\u5c45\u65f6\u6ca1\u6709\u914d\u7f6epeer connect-interface<\/li>\n<li>\u7528\u5efa\u7acbEBGP\u90bb\u5c45\u65f6\u672a\u914d\u7f6epeer ebgp-max-hop<\/li>\n<li>peer valid-ttl-hops\u914d\u7f6e\u9519\u8bef\u3002<\/li>\n<li>\u5bf9\u7aef\u53d1\u9001\u7684\u8def\u7531\u6570\u91cf\u662f\u5426\u8d85\u8fc7peer route-limit\u547d\u4ee4\u8bbe\u5b9a\u7684\u503c\u3002<\/li>\n<li>\u5bf9\u7aef\u914d\u7f6e\u4e86peer ignore<\/li>\n<li>\u4e24\u7aef\u7684\u5730\u5740\u65cf\u4e0d\u5339\u914d<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u90bb\u5c45\u5173\u7cfb\u6b63\u5e38\u7684\u60c5\u51b5\u4e0b\uff0c\u4f46\u662fBGP\u8def\u7531\u8868\u6ca1\u6709\u8be5\u8868\u9879\n<ul>\n<li>\u4e0b\u4e00\u8df3\u5730\u5740\u662f\u5426\u53ef\u8fbe<\/li>\n<li>\u5165\u53e3\u662f\u5426\u8fdb\u884c\u4e86\u7b56\u7565\u9650\u5236<\/li>\n<li>\u63a5\u6536\u524d\u7f00\u7684\u6761\u76ee\u662f\u5426\u8fdb\u884c\u4e86\u9650\u5236<\/li>\n<li>\u5bf9\u7aef\u51fa\u53e3\u662f\u5426\u8fdb\u884c\u4e86\u7b56\u7565\u9650\u5236<\/li>\n<li>\u8be5\u524d\u7f00\u5728\u5bf9\u7aefBGP\u8def\u7531\u8868\u4e2d\u662f\u5426\u6700\u4f18<\/li>\n<li>\u5bf9\u7aef\u662f\u5426\u914d\u7f6e\u4e86active-route-advertise<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u90bb\u5c45\u5173\u7cfb\u6b63\u5e38\u7684\u60c5\u51b5\u4e0b\uff0cBGP\u8def\u7531\u8868\u5b58\u5728\u67d0\u4e9b\u8868\u9879\u4e0d\u662f\u6700\u4f18\n<ul>\n<li>\u6839\u636e\u9009\u8def\u539f\u5219\uff0c\u67d0\u4e9b\u8868\u9879\u4e0d\u662f\u6700\u4f18<\/li>\n<li>\u67d0\u4e9b\u524d\u7f00\u662f\u5426\u4e3a\u6291\u5236\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>BGP Advance &amp; Internet\n<ul>\n<li>BGP\u5927\u89c4\u6a21\u8def\u7531\u5e94\u7528\n<ul>\n<li>\u6982\u8ff0\n<ul>\n<li>\u5728\u8f83\u5927\u89c4\u6a21\u7ec4\u7f51\u6216\u8005\u8def\u7531\u6761\u76ee\u8f83\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u51fa\u4e8e\u7b80\u5316\u914d\u7f6e\uff0c\u51cf\u5c11\u8def\u7531\u6761\u76ee\uff0c\u63d0\u5347\u8bbe\u5907\u6027\u80fd\u7b49\u7b49\u56e0\u7d20\u7684\u8003\u8651\uff0c\u4f1a\u9700\u8981\u7528\u5230\u4ee5\u4e0b\u51e0\u79cd\u5de5\u5177\u6216\u6280\u672f\n<ul>\n<li>\u8def\u7531\u805a\u5408\uff08Aggregation\uff09<\/li>\n<li>\u5bf9\u7b49\u4f53\u7ec4\uff08PeerGroup\uff09<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027\uff08Community\uff09<\/li>\n<li>\u8def\u7531\u53cd\u5c04\uff08RouteReflection \uff09<\/li>\n<li>BGP\u8054\u76df\uff08Confederations\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u805a\u5408\uff08Aggregation\uff09\n<ul>\n<li>\u8def\u7531\u805a\u5408\u6982\u8ff0\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u53ea\u5411\u5bf9\u7b49\u4f53\u53d1\u9001\u805a\u5408\u540e\u7684\u8def\u7531\uff0c\u4ece\u800c\u7f29\u5c0f\u8def\u7531\u8868\u89c4\u6a21<\/li>\n<li>\u660e\u7ec6\u8def\u7531\u5982\u679c\u53d1\u751f\u8def\u7531\u632f\u8361\uff0c\u4e0d\u4f1a\u5bf9\u7f51\u7edc\u9020\u6210\u5f71\u54cd<\/li>\n<li>\u8def\u7531\u805a\u5408\u5206\u4e3a\u81ea\u52a8\u805a\u5408\u548c\u624b\u52a8\u805a\u5408<\/li>\n<li>\u8def\u7531\u805a\u5408\u662f\u4f1a\u4f7f\u7528Aggregator\u5c5e\u6027\uff08\u53ef\u9009\u8fc7\u6e21\u5c5e\u6027\uff09\n<ul>\n<li>\u8be5\u5c5e\u6027\u6807\u8bc6\u53d1\u751f\u805a\u5408\u7684\u8282\u70b9\uff0c\u643a\u5e26\u53d1\u751f\u805a\u5408\u8282\u70b9\u7684route-id\u548cAS\u53f7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u652f\u6301\n<ul>\n<li>\u5bf9\u4e8eIPv4\u8def\u7531\uff0cBGP\u652f\u6301\n<ul>\n<li>\u624b\u5de5\u805a\u5408<\/li>\n<li>\u81ea\u52a8\u805a\u5408<\/li>\n<\/ul>\n<\/li>\n<li>\u5bf9\u4e8eIPv6\u8def\u7531\uff0cBGP\u652f\u6301\n<ul>\n<li>\u624b\u5de5\u805a\u5408<\/li>\n<\/ul>\n<\/li>\n<li>\u8bf4\u660e\n<ul>\n<li>\u5728\u5927\u89c4\u6a21\u7684\u7f51\u7edc\u4e2d\uff0cBGP\u8def\u7531\u8868\u5341\u5206\u5e9e\u5927\uff0c\u7ed9\u8bbe\u5907\u9020\u6210\u4e86\u5f88\u5927\u7684\u8d1f\u62c5\uff0c\u540c\u65f6\u4f7f\u53d1\u751f\u8def\u7531\u632f\u8361\u7684\u51e0\u7387\u4e5f\u5927\u5927\u589e\u52a0\uff0c\u5f71\u54cd\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<li>\u8def\u7531\u805a\u5408\u662f\u5c06\u591a\u6761\u8def\u7531\u5408\u5e76\u7684\u673a\u5236\uff0c\u5b83\u901a\u8fc7\u53ea\u5411\u5bf9\u7b49\u4f53\u53d1\u9001\u805a\u5408\u540e\u7684\u8def\u7531\u800c\u4e0d\u53d1\u9001\u6240\u6709\u7684\u5177\u4f53\u8def\u7531\u7684\u65b9\u6cd5\uff0c\u51cf\u5c0f\u8def\u7531\u8868\u7684\u89c4\u6a21\u3002<\/li>\n<li>\u5e76\u4e14\u88ab\u805a\u5408\u7684\u8def\u7531\u5982\u679c\u53d1\u751f\u8def\u7531\u632f\u8361\uff0c\u4e5f\u4e0d\u518d\u5bf9\u7f51\u7edc\u9020\u6210\u5f71\u54cd\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u805a\u5408\u65b9\u5f0f\n<ul>\n<li>\u81ea\u52a8\u805a\u5408\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5bf9BGP\u5f15\u5165\u7684\u8def\u7531\u8fdb\u884c\u6709\u7c7b\u805a\u5408\uff1b<\/li>\n<li>\u914d\u7f6e\u805a\u5408\u540e\uff0c\u6210\u5458\u660e\u7ec6\u8def\u7531\u5c06\u88ab\u6291\u5236\uff1b<\/li>\n<li>\u4ec5\u5bf9import\u5f15\u5165\u7684\u8def\u7531\u8fdb\u884c\u805a\u5408\u3002<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>import\u547d\u4ee4\u5bf9BGP\u5f15\u5165\u7684\u8def\u7531\u8fdb\u884c\u805a\u5408\uff0c\u5f15\u5165\u7684\u8def\u7531\u53ef\u4ee5\u662f\u76f4\u8fde\u8def\u7531\u3001\u9759\u6001\u8def\u7531\u3001OSPF\u8def\u7531\u3001IS-IS\u8def\u7531\u3002\u914d\u7f6e\u805a\u5408\u540e\uff0cBGP\u5c06\u6309\u7167\u81ea\u7136\u7f51\u6bb5\u805a\u5408\u8def\u7531\uff0c\u660e\u7ec6\u8def\u7531\u5728BGP\u8def\u7531\u66f4\u65b0\u4e2d\u88ab\u6291\u5236\u3002\u8be5\u547d\u4ee4\u5bf9network\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u65e0\u6548\u3002<\/li>\n<li>BGP\u53ea\u5411\u5bf9\u7b49\u4f53\u53d1\u9001\u805a\u5408\u540e\u7684\u8def\u7531\uff1b<\/li>\n<li>\u7f3a\u7701\u60c5\u51b5\u4e0bBGP\u4e0d\u542f\u7528\u81ea\u52a8\u805a\u5408\uff1b<\/li>\n<li>\u805a\u5408\u4e4b\u540e\u7684\u8def\u7531\u5c06\u5e26\u6709atomic_aggregate\u548caggregator\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u624b\u5de5\u805a\u5408\n<ul>\n<li>\u5bf9BGP\u672c\u5730\u8def\u7531\u8868\u4e2d\u7684\u8def\u7531\u8fdb\u884c\u805a\u5408\u3002<\/li>\n<li>\u624b\u52a8\u805a\u5408\u53ef\u4ee5\u63a7\u5236\u805a\u5408\u8def\u7531\u7684\u5c5e\u6027\u3002\n<ul>\n<li>\u805a\u5408\u8def\u7531\u4e0d\u4f1a\u643a\u5e26\u6210\u5458\u660e\u7ec6\u8def\u7531\u7684AS_PATH\u5c5e\u6027\u3002<\/li>\n<li>\u53ef\u901a\u8fc7\u547d\u4ee4\u51b3\u5b9a\u662f\u5426\u6291\u5236\u660e\u7ec6\u8def\u7531\uff0c\u6291\u5236\u540e\u8be5\u805a\u5408\u540e\u7684\u8def\u7531\u4f1a\u643a\u5e26atomic_aggregate\u5c5e\u6027\u3002<\/li>\n<li>\u901a\u8fc7AS_SET\u5c5e\u6027\u6765\u643a\u5e26AS\u53f7\uff0c\u4ee5\u907f\u514d\u73af\u8def\u3002<\/li>\n<li>SET\u548cSEQUENCE\u7684\u4e0d\u540c\u4e4b\u5904<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>SET\u9009\u9879\u4e0b\u7684AS\u5217\u8868\u901a\u5e38\u7528\u4e8e\u8def\u7531\u805a\u5408\uff0c\u5c06\u6765\u81ea\u4e0d\u540cAS\u7684AS\u53f7\u65e0\u5e8f\u6392\u5217\u5728AS\u5217\u8868\u91cc\uff1b<\/li>\n<li>\u800cSEQUENCE\u9009\u9879\u4e0b\u7684AS\u5217\u8868\u662f\u6709\u5e8f\u7684\uff0c\u6bcf\u7ecf\u8fc7\u4e00\u4e2aAS\u90fd\u4f1a\u5c06\u5176AS\u53f7\u6392\u5217\u5728\u5217\u8868\u7684\u524d\u7aef\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u51b3\u5b9a\u662f\u5426\u53d1\u5e03\u660e\u7ec6\u8def\u7531\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5bf9\u7b49\u4f53\u7ec4\uff08PeerGroup\uff09\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5bf9\u7b49\u4f53\u7ec4\uff08PeerGroup\uff09\u662f\u4e00\u4e9b\u5177\u6709\u67d0\u4e9b\u76f8\u540c\u7b56\u7565\u7684\u5bf9\u7b49\u4f53\u7684\u96c6\u5408\u3002\n<ul>\n<li>\u5f53\u4e00\u4e2a\u5bf9\u7b49\u4f53\u52a0\u5165\u5bf9\u7b49\u4f53\u7ec4\u4e2d\u65f6\uff0c\u6b64\u5bf9\u7b49\u4f53\u5c06\u83b7\u5f97\u4e0e\u6240\u5728\u5bf9\u7b49\u4f53\u7ec4\u76f8\u540c\u7684\u914d\u7f6e\u3002<\/li>\n<li>\u5f53\u5bf9\u7b49\u4f53\u7ec4\u7684\u914d\u7f6e\u6539\u53d8\u65f6\uff0c\u7ec4\u5185\u6210\u5458\u7684\u914d\u7f6e\u4e5f\u76f8\u5e94\u6539\u53d8\u3002<\/li>\n<li>\u5bf9\u7b49\u4f53\u7ec4\u4e2d\u7684\u5355\u4e2a\u5bf9\u7b49\u4f53\u4e5f\u53ef\u4ee5\u914d\u7f6e\u81ea\u5df1\u7684\u53d1\u5e03\u8def\u7531\u4e0e\u63a5\u6536\u8def\u7531\u7684\u7b56\u7565\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6b64\u529f\u80fd\u53ef\u4ee5\u7b80\u5316BGP\u7684\u914d\u7f6e\uff0c\u540c\u65f6\u51cf\u5c11\u8def\u7531\u6027\u80fd\u635f\u8017\u3002\n<ul>\n<li>\u5728\u5927\u578bBGP\u7f51\u7edc\u4e2d\uff0c\u5bf9\u7b49\u4f53\u7684\u6570\u91cf\u4f1a\u5f88\u591a\uff0c\u5176\u4e2d\u5f88\u591a\u5bf9\u7b49\u4f53\u5177\u6709\u76f8\u540c\u7684\u7b56\u7565\uff0c\u5728\u914d\u7f6e\u65f6\u4f1a\u91cd\u590d\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\uff0c\u5229\u7528\u5bf9\u7b49\u4f53\u7ec4\u53ef\u4ee5\u7b80\u5316\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u6309\u7ec4\u6253\u5305\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6309\u7ec4\u6253\u5305\u6280\u672f\u5c06\u6240\u6709\u62e5\u6709\u5171\u540c\u51fa\u53e3\u7b56\u7565\u7684BGP\u90bb\u5c45\u5f53\u4f5c\u662f\u4e00\u4e2a\u6253\u5305\u7ec4\u3002<\/li>\n<li>\u6bcf\u6761\u5f85\u53d1\u9001\u8def\u7531\u53ea\u88ab\u6253\u5305\u4e00\u6b21\u7136\u540e\u53d1\u7ed9\u7ec4\u5185\u7684\u6240\u6709\u90bb\u5c45\u3002\n<ul>\n<li>\u5e94\u7528\u6309\u7ec4\u6253\u5305\u529f\u80fd\u540e\uff0c\u6bcf\u6761\u5f85\u53d1\u9001\u8def\u7531\u53ea\u88ab\u6253\u5305\u4e00\u6b21\u7136\u540e\u53d1\u7ed9\u7ec4\u5185\u7684\u6240\u6709\u90bb\u5c45\uff0c\u4f7f\u6253\u5305\u6548\u7387\u6210\u500d\u63d0\u5347\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cBGP\u4f1a\u9488\u5bf9\u4e0d\u540c\u90bb\u5c45\uff08\u5373\u4f7f\u51fa\u53e3\u7b56\u7565\u76f8\u540c\uff09\u5355\u72ec\u6253\u5305\u8def\u7531\u3002<\/li>\n<li>\u62d3\u6251\u63cf\u8ff0\n<ul>\n<li>\u4e00\u4e2a\u53cd\u5c04\u5668\u67093\u4e2a\u5ba2\u6237\u673a\uff0c\u670910\u4e07\u6761\u8def\u7531\u9700\u8981\u53cd\u5c04\u3002<\/li>\n<li>\u5982\u679c\u6309\u7167\u6bcf\u4e2a\u90bb\u5c45\u5206\u522b\u6253\u5305\u7684\u65b9\u5f0f\uff0c\u53cd\u5c04\u5668RR\u5728\u54113\u4e2a\u5ba2\u6237\u673a\u53d1\u9001\u8def\u7531\u7684\u65f6\u5019\uff0c\u6240\u6709\u8def\u7531\u88ab\u6253\u5305\u7684\u603b\u6b21\u6570\u662f10\u4e07\u00d73\u3002<\/li>\n<li>\u800c\u6309\u7ec4\u6253\u5305\u6280\u672f\u5c06\u8fd9\u4e2a\u8fc7\u7a0b\u53d8\u4e3a10 \u4e07\u00d71\uff0c\u6027\u80fd\u76f8\u5f53\u4e8e\u63d0\u5347\u4e863\u500d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027\uff08Community\uff09\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u56e2\u4f53\u5c5e\u6027\u7528\u4e8e\u6807\u8bc6\u5177\u6709\u76f8\u540c\u7279\u5f81\u7684BGP \u8def\u7531<\/li>\n<li>\u8be5\u5c5e\u6027\u4e3a\u53ef\u9009\u8fc7\u6e21<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027\u5206\u4e3a\n<ul>\n<li>\u81ea\u5b9a\u4e49\u56e2\u4f53\u5c5e\u6027<\/li>\n<li>\u516c\u5171\u56e2\u4f53\u5c5e\u6027\uff08\u516c\u8ba4\u5c5e\u6027\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Internet\n<ul>\n<li>\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u7684\u8def\u7531\u90fd\u5c5e\u4e8eInternet\u56e2\u4f53\u3002\u5177\u6709\u6b64\u5c5e\u6027\u7684\u8def\u7531\u53ef\u4ee5\u88ab\u901a\u544a\u7ed9\u6240\u6709\u7684BGP\u5bf9\u7b49\u4f53\u3002<\/li>\n<\/ul>\n<\/li>\n<li>No_Advertise\n<ul>\n<li>\u5177\u6709\u6b64\u5c5e\u6027\u7684\u8def\u7531\u5728\u6536\u5230\u540e\uff0c\u4e0d\u80fd\u88ab\u901a\u544a\u7ed9\u4efb\u4f55\u5176\u4ed6\u7684BGP\u5bf9\u7b49\u4f53\u3002<\/li>\n<\/ul>\n<\/li>\n<li>No_Export\n<ul>\n<li>\u5177\u6709\u6b64\u5c5e\u6027\u7684\u8def\u7531\u5728\u6536\u5230\u540e\uff0c\u4e0d\u80fd\u88ab\u53d1\u5e03\u5230\u672c\u5730AS\u4e4b\u5916\u3002\u5982\u679c\u4f7f\u7528\u4e86\u8054\u76df\uff0c\u5219\u4e0d\u80fd\u88ab\u53d1\u5e03\u5230\u8054\u76df\u4e4b\u5916\uff0c\u4f46\u53ef\u4ee5\u53d1\u5e03\u7ed9\u8054\u76df\u4e2d\u7684\u5176\u4ed6\u5b50AS\u3002<\/li>\n<\/ul>\n<\/li>\n<li>No_Export_Subconfed\n<ul>\n<li>\u5177\u6709\u6b64\u5c5e\u6027\u7684\u8def\u7531\u5728\u6536\u5230\u540e\uff0c\u4e0d\u80fd\u88ab\u53d1\u5e03\u5230\u672c\u5730AS\u4e4b\u5916\uff0c\u4e5f\u4e0d\u80fd\u53d1\u5e03\u5230\u8054\u76df\u4e2d\u7684\u5176\u4ed6\u5b50AS\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027\u6982\u8ff0\n<ul>\n<li>\u56e2\u4f53\u5c5e\u6027\u7528\u4e00\u7ec4\u4ee54\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u5217\u8868\u6765\u8868\u793a\n<ul>\n<li>\u56e2\u4f53\u5c5e\u6027\u662f\u4e00\u7ec4\u6709\u76f8\u540c\u7279\u5f81\u7684\u76ee\u7684\u5730\u5740\u7684\u96c6\u5408\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u683c\u5f0f\uff1a\n<ul>\n<li>aa:nn\uff1aaa\u548cnn\u7684\u53d6\u503c\u8303\u56f4\u90fd\u662f0\uff5e65535\u3002\n<ul>\n<li>\u7ba1\u7406\u5458\u53ef\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8bbe\u7f6e\u5177\u4f53\u6570\u503c\u3002<\/li>\n<li>\u901a\u5e38aa\u8868\u793a\u81ea\u6cbb\u7cfb\u7edfAS\u7f16\u53f7\uff0c<\/li>\n<li>nn\u662f\u7ba1\u7406\u5458\u5b9a\u4e49\u7684\u56e2\u4f53\u5c5e\u6027\u6807\u8bc6\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u6765\u81eaAS100\u7684\u4e00\u6761\u8def\u7531\uff0c\u7ba1\u7406\u5458\u5b9a\u4e49\u7684\u56e2\u4f53\u5c5e\u6027\u6807\u8bc6\u662f1\uff0c\u5219\u8be5\u8def\u7531\u7684\u56e2\u4f53\u5c5e\u6027\u683c\u5f0f\u662f100:1<\/li>\n<\/ul>\n<\/li>\n<li>\u56e2\u4f53\u53f7\uff1a\u56e2\u4f53\u53f7\u662f0\uff5e4294967295\u7684\u6574\u6570\u3002<\/li>\n<li>\u6807\u51c6\u534f\u8bae\u4e2d\u5b9a\u4e49\uff0c0\uff080x00000000\uff09\uff5e65535\uff080x0000FFFF\uff09\u548c4294901760\uff080xFFFF0000\uff09\uff5e4294967295\uff080xFFFFFFFF\uff09\u662f\u9884\u7559\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027\u7528\u6765\u7b80\u5316\u8def\u7531\u7b56\u7565\u7684\u5e94\u7528\u548c\u964d\u4f4e\u7ef4\u62a4\u7ba1\u7406\u7684\u96be\u5ea6\uff0c\u5229\u7528\u56e2\u4f53\u53ef\u4ee5\u4f7f\u591a\u4e2aAS\u4e2d\u7684\u4e00\u7ec4BGP\u8bbe\u5907\u5171\u4eab\u76f8\u540c\u7684\u7b56\u7565\u3002<\/li>\n<li>\u56e2\u4f53\u662f\u4e00\u4e2a\u8def\u7531\u5c5e\u6027\uff0c\u5728BGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u4f20\u64ad\uff0c\u4e14\u4e0d\u53d7AS\u7684\u9650\u5236\u3002<\/li>\n<li>BGP\u8bbe\u5907\u5728\u5c06\u5e26\u6709\u56e2\u4f53\u5c5e\u6027\u7684\u8def\u7531\u53d1\u5e03\u7ed9\u5176\u5b83\u5bf9\u7b49\u4f53\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u6539\u53d8\u6b64\u8def\u7531\u539f\u6709\u7684\u56e2\u4f53\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u53cd\u5c04\uff08RouteReflection \uff09\n<ul>\n<li>\u6982\u8ff0\n<ul>\n<li>\u4e3a\u4fdd\u8bc1IBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684\u8fde\u901a\u6027\uff0c\u9700\u8981\u5728IBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u5efa\u7acb\u5168\u8fde\u63a5\uff08Full-mesh\uff09\u5173\u7cfb\u3002<\/li>\n<li>\u5047\u8bbe\u5728\u4e00\u4e2aAS\u5185\u90e8\u6709n\u53f0\u8def\u7531\u5668\uff0c\u90a3\u4e48\u5e94\u8be5\u5efa\u7acb\u7684IBGP\u8fde\u63a5\u6570\u5c31\u4e3an(n-1)\/2\u3002<\/li>\n<li>\u5f53IBGP\u5bf9\u7b49\u4f53\u6570\u76ee\u5f88\u591a\u65f6\uff0c\u5bf9\u7f51\u7edc\u8d44\u6e90\u548cCPU\u8d44\u6e90\u7684\u6d88\u8017\u90fd\u5f88\u5927\u3002<\/li>\n<li>\u5229\u7528\u8def\u7531\u53cd\u5c04\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5141\u8bb8\u5c06\u4eceIBGP\u90bb\u5c45\u5b66\u4e60\u5230\u7684\u8def\u7531\u53d1\u9001\u7ed9\u7279\u5b9aIBGP\u90bb\u5c45\uff0c\u6253\u7834\u4e86IBGP\u90bb\u5c45\u5173\u7cfb\u5168\u4e92\u8054\u7684\u9700\u6c42\uff0c\u51cf\u5c11IBGP\u4f1a\u8bdd\u6570\u91cf\u3002\n<ul>\n<li>\u5ba2\u6237\u673a\u4e0e\u8def\u7531\u53cd\u5c04\u5668\u4e4b\u95f4\u5efa\u7acbIBGP\u8fde\u63a5\u3002<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u548c\u5b83\u7684\u5ba2\u6237\u673a\u7ec4\u6210\u4e00\u4e2a\u96c6\u7fa4\uff08Cluster\uff09\u3002<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u5728\u5ba2\u6237\u673a\u4e4b\u95f4\u53cd\u5c04\u8def\u7531\u4fe1\u606f\uff0c\u5ba2\u6237\u673a\u4e4b\u95f4\u4e0d\u9700\u8981\u5efa\u7acbBGP\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5305\u62ec\u8def\u7531\u53cd\u5c04\u5668\uff08RR\uff09\u548c\u5ba2\u6237\u673a\uff08Client\uff09\u3002\n<ul>\n<li>\u5728\u4e00\u4e2aAS\u5185\uff0c\u5176\u4e2d\u4e00\u53f0\u8def\u7531\u5668\u4f5c\u4e3a\u8def\u7531\u53cd\u5c04\u5668RR\uff08Route Reflector\uff09\uff0c\u5176\u5b83\u8def\u7531\u5668\u4f5c\u4e3a\u5ba2\u6237\u673a\uff08Client\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u6982\u5ff5\n<ul>\n<li>\u8def\u7531\u53cd\u5c04\u5668RR\uff08RouteReflector\uff09\n<ul>\n<li>\u5141\u8bb8\u628a\u4eceIBGP \u5bf9\u7b49\u4f53\u5b66\u5230\u7684\u8def\u7531\u53cd\u5c04\u5230\u5176\u4ed6IBGP\u5bf9\u7b49\u4f53\u7684BGP\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5ba2\u6237\u673a\uff08Client\uff09\n<ul>\n<li>\u4e0eRR\u5f62\u6210\u53cd\u5c04\u90bb\u5c45\u5173\u7cfb\u7684IBGP\u8bbe\u5907\u3002<\/li>\n<li>\u5728AS\u5185\u90e8\u5ba2\u6237\u673a\u53ea\u9700\u8981\u4e0eRR\u76f4\u8fde\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u975e\u5ba2\u6237\u673a\uff08Non-Client\uff09\n<ul>\n<li>\u65e2\u4e0d\u662fRR\u4e5f\u4e0d\u662f\u5ba2\u6237\u673a\u7684IBGP\u8bbe\u5907\u3002<\/li>\n<li>\u5728AS\u5185\u90e8\u975e\u5ba2\u6237\u673a\u4e0eRR\u4e4b\u95f4\uff0c\u4ee5\u53ca\u6240\u6709\u7684\u975e\u5ba2\u6237\u673a\u4e4b\u95f4\u4ecd\u7136\u5fc5\u987b\u5efa\u7acb\u5168\u8fde\u63a5\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u59cb\u53d1\u8005\uff08Originator\uff09\n<ul>\n<li>\u5728AS\u5185\u90e8\u59cb\u53d1\u8def\u7531\u7684\u8bbe\u5907\u3002<\/li>\n<li>Originator_ID\u5c5e\u6027\u7528\u4e8e\u9632\u6b62\u96c6\u7fa4\u5185\u4ea7\u751f\u8def\u7531\u73af\u8def\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u96c6\u7fa4\uff08Cluster\uff09\n<ul>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u53ca\u5176\u5ba2\u6237\u673a\u7684\u96c6\u5408\u3002<\/li>\n<li>Cluster_List\u5c5e\u6027\u7528\u4e8e\u9632\u6b62\u96c6\u7fa4\u95f4\u4ea7\u751f\u8def\u7531\u73af\u8def\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53cd\u5c04\u89c4\u5219\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5728\u5411IBGP\u90bb\u5c45\u53d1\u5e03\u5b66\u4e60\u5230\u7684\u8def\u7531\u4fe1\u606f\u65f6\uff0cRR\u6309\u7167\u4ee5\u4e0b\u89c4\u5219\u53d1\u5e03\u8def\u7531\n<ul>\n<li>\u4eceEBGP\u5bf9\u7b49\u4f53\u5b66\u5230\u7684\u8def\u7531\uff0c\u53d1\u5e03\u7ed9\u6240\u6709\u7684\u975e\u5ba2\u6237\u673a\u548c\u5ba2\u6237\u673a\u3002<\/li>\n<li>\u4ece\u975e\u5ba2\u6237\u673aIBGP\u5bf9\u7b49\u4f53\u5b66\u5230\u7684\u8def\u7531\uff0c\u53d1\u5e03\u7ed9\u6b64RR\u7684\u6240\u6709\u5ba2\u6237\u673a\u3002<\/li>\n<li>\u4ece\u5ba2\u6237\u673a\u5b66\u5230\u7684\u8def\u7531\uff0c\u53d1\u5e03\u7ed9\u6b64RR\u7684\u6240\u6709\u975e\u5ba2\u6237\u673a\u548c\u5ba2\u6237\u673a\uff08\u53d1\u8d77\u6b64\u8def\u7531\u7684\u5ba2\u6237\u673a\u9664\u5916\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>RR\u7684\u914d\u7f6e\u65b9\u4fbf\uff0c\u53ea\u9700\u8981\u5bf9\u4f5c\u4e3a\u53cd\u5c04\u5668\u7684\u8def\u7531\u5668\u8fdb\u884c\u914d\u7f6e\uff0c\u5ba2\u6237\u673a\u5e76\u4e0d\u9700\u8981\u77e5\u9053\u81ea\u5df1\u662f\u5ba2\u6237\u673a\u3002<\/li>\n<li>VRP\u652f\u6301\u914d\u7f6e\u547d\u4ee4undo reflect between-clients\u6765\u7981\u6b62RR\u5c06\u4ece\u5ba2\u6237\u673a\u6536\u5230\u7684\u8def\u7531\u518d\u53cd\u5c04\u7ed9\u5176\u4ed6\u5ba2\u6237\u673a\u3002\n<ul>\n<li>\u5728\u67d0\u4e9b\u7f51\u7edc\u4e2d\uff0c\u8def\u7531\u53cd\u5c04\u5668\u7684\u5ba2\u6237\u673a\u4e4b\u95f4\u5df2\u7ecf\u5efa\u7acb\u4e86\u5168\u8fde\u63a5\uff0c\u5b83\u4eec\u53ef\u4ee5\u76f4\u63a5\u4ea4\u6362\u8def\u7531\u4fe1\u606f\uff0c\u6b64\u65f6\u5ba2\u6237\u673a\u5230\u5ba2\u6237\u673a\u4e4b\u95f4\u7684\u8def\u7531\u53cd\u5c04\u662f\u6ca1\u6709\u5fc5\u8981\u7684\uff0c\u800c\u4e14\u8fd8\u5360\u7528\u5e26\u5bbd\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9632\u73af\u673a\u5236\n<ul>\n<li>Originator_ID\u5c5e\u6027\n<ul>\n<li>\u8be5\u5c5e\u6027\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21\uff1b<\/li>\n<li>\u7528\u4e8e\u96c6\u7fa4\u5185\u7684\u9632\u73af\uff1b<\/li>\n<li>\u7531\u8def\u7531\u53cd\u5c04\u5668\uff08RR\uff09\u4ea7\u751f\uff0c\u643a\u5e26\u4e86\u672c\u5730AS\u5185\u8be5\u8def\u7531\u53d1\u9001\u8005\u7684RouterID\u3002<\/li>\n<li>Originator ID\u7531RR\u4ea7\u751f\uff0c\u4f7f\u7528\u7684Router ID\u7684\u503c\u6807\u8bc6\u8def\u7531\u7684\u53d1\u9001\u8005\uff0c\u7528\u4e8e\u9632\u6b62\u96c6\u7fa4\u5185\u4ea7\u751f\u8def\u7531\u73af\u8def\u3002\n<ul>\n<li>\u5f53\u4e00\u6761\u8def\u7531\u7b2c\u4e00\u6b21\u88abRR\u53cd\u5c04\u7684\u65f6\u5019\uff0cRR\u5c06Originator_ID\u5c5e\u6027\u52a0\u5165\u8fd9\u6761\u8def\u7531\uff0c\u6807\u8bc6\u8fd9\u6761\u8def\u7531\u7684\u53d1\u8d77\u8bbe\u5907\u3002<\/li>\n<li>\u5982\u679c\u4e00\u6761\u8def\u7531\u4e2d\u5df2\u7ecf\u5b58\u5728\u4e86Originator_ID\u5c5e\u6027\uff0c\u5219RR\u5c06\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684Originator_ID\u5c5e\u6027\u3002<\/li>\n<li>\u5f53\u8bbe\u5907\u63a5\u6536\u5230\u8fd9\u6761\u8def\u7531\u7684\u65f6\u5019\uff0c\u5c06\u6bd4\u8f83\u6536\u5230\u7684OriginatorID\u548c\u672c\u5730\u7684RouterID\uff0c\u5982\u679c\u4e24\u4e2aID\u76f8\u540c\uff0c\u5219\u4e0d\u63a5\u6536\u6b64\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Cluster_List\u5c5e\u6027\n<ul>\n<li>\u8be5\u5c5e\u6027\u4e3a\u53ef\u9009\u975e\u8fc7\u6e21\uff1b<\/li>\n<li>\u7528\u4e8e\u96c6\u7fa4\u95f4\u7684\u9632\u73af\uff1b<\/li>\n<li>\u7531\u6bcf\u4e2a\u8def\u7531\u53cd\u5c04\u5668\uff08RR\uff09\u4ea7\u751f\uff0c\u8bb0\u5f55\u53cd\u5c04\u8def\u7531\u7ecf\u8fc7\u7684\u96c6\u7fa4\u3002<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u548c\u5b83\u7684\u5ba2\u6237\u673a\u7ec4\u6210\u4e00\u4e2a\u96c6\u7fa4\uff08Cluster\uff09\u3002<\/li>\n<li>\u5728\u4e00\u4e2aAS\u5185\uff0c\u6bcf\u4e2a\u8def\u7531\u53cd\u5c04\u5668\u4f7f\u7528\u552f\u4e00\u7684Cluster ID\u4f5c\u4e3a\u96c6\u7fa4\u6807\u8bc6\u3002\n<ul>\n<li>\u4e3a\u4e86\u9632\u6b62\u96c6\u7fa4\u95f4\u4ea7\u751f\u8def\u7531\u73af\u8def\uff0c\u8def\u7531\u53cd\u5c04\u5668\u4f7f\u7528Cluster_List\u5c5e\u6027\uff0c\u8bb0\u5f55\u8def\u7531\u7ecf\u8fc7\u7684\u6240\u6709\u96c6\u7fa4\u7684ClusterID\u3002<\/li>\n<li>\u5f53RR\u5728\u5b83\u7684\u5ba2\u6237\u673a\u4e4b\u95f4\u6216\u5ba2\u6237\u673a\u4e0e\u975e\u5ba2\u6237\u673a\u4e4b\u95f4\u53cd\u5c04\u8def\u7531\u65f6\uff0cRR\u4f1a\u628a\u672c\u5730Cluster_ID\u6dfb\u52a0\u5230Cluster_List\u7684\u524d\u9762\u3002\n<ul>\n<li>\u5982\u679cCluster_List\u4e3a\u7a7a\uff0cRR\u5c31\u521b\u5efa\u4e00\u4e2a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5f53RR\u63a5\u6536\u5230\u4e00\u6761\u66f4\u65b0\u8def\u7531\u65f6\uff0cRR\u4f1a\u68c0\u67e5Cluster_List\u3002\n<ul>\n<li>\u5982\u679cCluster_List\u4e2d\u5df2\u7ecf\u6709\u672c\u5730Cluster_ID\uff0c\u4e22\u5f03\u8be5\u8def\u7531\u3002<\/li>\n<li>\u5982\u679c\u6ca1\u6709\u672c\u5730Cluster_ID\uff0c\u5c06\u5176\u52a0\u5165Cluster_List\uff0c\u7136\u540e\u53cd\u5c04\u8be5\u66f4\u65b0\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5907\u4efdRR\n<ul>\n<li>\u5907\u4efdRR\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3\u5355\u70b9\u6545\u969c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5f53\u5ba2\u6237\u673aClient1\u4ece\u5916\u90e8\u5bf9\u7b49\u4f53\u63a5\u6536\u5230\u4e00\u6761\u66f4\u65b0\u8def\u7531\uff0810.0.0.0\/24\uff09\u540e\uff0c\u5b83\u901a\u8fc7IBGP\u5411RR1\u548cRR2\u901a\u544a\u8fd9\u6761\u8def\u7531\u3002<\/li>\n<li>RR1\u63a5\u6536\u5230\u8be5\u66f4\u65b0\u8def\u7531\u540e\uff0c\u5b83\u5411\u5176\u4ed6\u7684\u5ba2\u6237\u673a\uff08Client2\u3001Client3\uff09\u548c\u975e\u5ba2\u6237\u673a\uff08RR2\uff09\u53cd\u5c04\uff0c\u540c\u65f6\u5c06\u672c\u5730Cluster_ID\u6dfb\u52a0\u5230Cluster_List\u524d\u9762\u3002<\/li>\n<li>RR2\u63a5\u6536\u5230\u8be5\u53cd\u5c04\u8def\u7531\u540e\uff0c\u68c0\u67e5Cluster_List\uff0c\u53d1\u73b0\u81ea\u5df1\u7684Cluster_ID\u5df2\u7ecf\u5305\u542b\u5728Cluster_List\u4e2d\u3002\u56e0\u6b64\uff0c\u5b83\u4e22\u5f03\u8be5\u66f4\u65b0\u8def\u7531\uff0c\u4e0d\u518d\u5411\u81ea\u5df1\u7684\u5ba2\u6237\u673a\u53cd\u5c04\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u76f8\u540c\u96c6\u7fa4\u4e2d\u7684\u8def\u7531\u53cd\u5c04\u5668\u8981\u5171\u4eab\u76f8\u540c\u7684Cluster_ID\uff1b\n<ul>\n<li>VRP\u9700\u8981\u4f7f\u7528\u547d\u4ee4reflector cluster-id\u7ed9\u6240\u6709\u4f4d\u4e8e\u540c\u4e00\u4e2a\u96c6\u7fa4\u5185\u7684\u8def\u7531\u53cd\u5c04\u5668\u914d\u7f6e\u76f8\u540c\u7684Cluster_ID\u3002<\/li>\n<li>\u5728\u5197\u4f59\u7684\u73af\u5883\u91cc\uff0c\u5ba2\u6237\u673a\u4f1a\u6536\u5230\u4e0d\u540c\u53cd\u5c04\u5668\u53d1\u6765\u7684\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u7684\u591a\u6761\u8def\u7531\uff0c\u8fd9\u65f6\u5ba2\u6237\u673a\u5e94\u7528BGP\u9009\u62e9\u8def\u7531\u7684\u7b56\u7565\u6765\u9009\u62e9\u6700\u4f73\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Cluster_List\u7684\u5e94\u7528\u4fdd\u8bc1\u4e86\u540c\u4e00AS\u5185\u7684\u4e0d\u540cRR\u4e4b\u95f4\u4e0d\u51fa\u73b0\u8def\u7531\u5faa\u73af\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u540c\u7ea7\u53cd\u5c04\u5668\n<ul>\n<li>\u4e00\u4e2aAS\u4e2d\u53ef\u80fd\u5b58\u5728\u591a\u4e2a\u96c6\u7fa4\uff0c\u5404\u4e2aRR\u4e4b\u95f4\u662fIBGP\u5bf9\u7b49\u4f53\u7684\u5173\u7cfb<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u4e00\u4e2a\u9aa8\u5e72\u7f51\u88ab\u5206\u6210\u591a\u4e2a\u53cd\u5c04\u96c6\u7fa4\uff0c\u6bcf\u4e2aRR\u5c06\u5176\u5b83\u7684RR\u914d\u7f6e\u6210\u975e\u5ba2\u6237\u673a\uff0c\u5404RR\u4e4b\u95f4\u5efa\u7acb\u5168\u8fde\u63a5\u3002<\/li>\n<li>\u6bcf\u4e2a\u5ba2\u6237\u673a\u53ea\u4e0e\u6240\u5728\u96c6\u7fa4\u7684RR\u5efa\u7acbIBGP\u8fde\u63a5\u3002<\/li>\n<li>\u8fd9\u6837\u8be5\u81ea\u6cbb\u7cfb\u7edf\u5185\u7684\u6240\u6709BGP\u8def\u7531\u5668\u90fd\u4f1a\u6536\u5230\u53cd\u5c04\u8def\u7531\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5206\u7ea7\u53cd\u5c04\u5668\n<ul>\n<li>\u5c06\u8f83\u4f4e\u7f51\u7edc\u5c42\u6b21\u7684RR\u914d\u6210\u66f4\u9ad8\u7f51\u7edc\u5c42\u6b21\u4e2dRR\u7684\u5ba2\u6237\u673a\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Cluster1\u4e2d\u90e8\u7f72\u4e86\u4e00\u4e2a\u4e00\u7ea7RR\uff08RR-1\uff09\uff0cCluster2\u548cCluster3\u4e2d\u7684RR(RR-2\u548cRR-3)\u4f5c\u4e3aRR-1\u7684\u5ba2\u6237\u7aef<\/li>\n<\/ul>\n<ul>\n<li>BGP\u8054\u76df\uff08Confederations\uff09\n<ul>\n<li>\u6982\u8ff0\n<ul>\n<li>\u5c06\u4e00\u4e2aAS\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u5b50AS\uff0c\u6bcf\u4e2a\u5b50AS\u5185\u90e8\u5efa\u7acb\u5168\u8fde\u63a5\u7684IBGP\u90bb\u5c45\uff0c\u5b50AS\u4e4b\u95f4\u5efa\u7acbEBGP\u8fde\u63a5\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u8054\u76df\u5c06\u4e00\u4e2aAS\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u5b50AS\u3002<\/li>\n<li>\u6bcf\u4e2a\u5b50AS\u5185\u90e8\u5efa\u7acbIBGP\u5168\u8fde\u63a5\u5173\u7cfb\u3002<\/li>\n<li>\u5b50AS\u4e4b\u95f4\u5efa\u7acb\u8054\u76dfEBGP\u8fde\u63a5\u5173\u7cfb\u3002<\/li>\n<li>\u4f46\u8054\u76df\u5916\u90e8AS\u4ecd\u8ba4\u4e3a\u8054\u76df\u662f\u4e00\u4e2aAS\u3002<\/li>\n<li>\u914d\u7f6e\u8054\u76df\u540e\uff0c\u539fAS\u53f7\u5c06\u4f5c\u4e3a\u6bcf\u4e2a\u8def\u7531\u5668\u7684\u8054\u76dfID\u3002<\/li>\n<li>\u539f\u6709\u7684IBGP\u5c5e\u6027\uff0c\u5305\u62ecLocalPreference\u5c5e\u6027\u3001MED\u5c5e\u6027\u548cNEXT_HOP\u5c5e\u6027\u7b49\uff1b\u8054\u76df\u76f8\u5173\u7684\u5c5e\u6027\u5728\u4f20\u51fa\u8054\u76df\u65f6\u4f1a\u81ea\u52a8\u88ab\u5220\u9664\uff0c\u5373\u7ba1\u7406\u5458\u65e0\u9700\u5728\u8054\u76df\u7684\u51fa\u53e3\u5904\u914d\u7f6e\u8fc7\u6ee4\u5b50AS\u53f7\u7b49\u4fe1\u606f\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u9632\u73af\u673a\u5236\n<ul>\n<li>AS_CONFED_SEQUENCE\u548cAS_CONFED_SET<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u8054\u76df\u5185\u90e8\u7684\u6210\u5458AS\u53f7\u5bf9\u4e8e\u5176\u4ed6\u975e\u8054\u76dfAS\u662f\u4e0d\u53ef\u89c1\u7684\uff0c\u6240\u4ee5\u8def\u7531\u5728\u4ece\u8054\u76df\u5185\u90e8\u53d1\u9001\u5230\u5176\u4ed6\u975e\u8054\u76dfAS\u65f6\uff0c\u8054\u76df\u6210\u5458AS\u53f7\u88ab\u5265\u79bb<\/li>\n<\/ul>\n<ul>\n<li>AS_PATH\u5c5e\u6027\u88ab\u5b9a\u4e49\u4e3a\u516c\u8ba4\u5fc5\u9075\u5c5e\u6027\uff0c\u8be5\u5c5e\u6027\u7531AS\u53f7\u6240\u7ec4\u6210\u3002AS_PATH\u5305\u542b4\u79cd\u4e0d\u540c\u7c7b\u578b\n<ul>\n<li>AS_SET\n<ul>\n<li>\u7531\u4e00\u7cfb\u5217AS\u53f7\u65e0\u5e8f\u5730\u7ec4\u6210\uff0c\u5305\u542b\u5728UPDATE\u6d88\u606f\u91cc\u3002<\/li>\n<li>\u5f53\u7f51\u7edc\u53d1\u751f\u805a\u5408\u65f6\uff0c\u53ef\u901a\u8fc7\u9002\u5f53\u7b56\u7565\u4f7fAS_PATH\u4f7f\u7528\u7c7b\u578bAS_SET\u6765\u907f\u514d\u8def\u5f84\u4fe1\u606f\u4e22\u5931\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS_SEQUENCE\n<ul>\n<li>\u7531\u4e00\u7cfb\u5217AS\u53f7\u987a\u5e8f\u5730\u7ec4\u6210\uff0c\u5305\u542b\u5728UPDATE\u6d88\u606f\u91cc\u3002<\/li>\n<li>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cAS_PATH\u7c7b\u578b\u4e3aAS_SEQUENCE\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS_CONFED_SEQUENCE\n<ul>\n<li>\u5728\u672c\u5730\u8054\u76df\u5185\u7531\u4e00\u7cfb\u5217\u6210\u5458AS\u53f7\u6309\u987a\u5e8f\u5730\u7ec4\u6210\u3002<\/li>\n<li>\u5305\u542b\u5728UPDATE\u6d88\u606f\u4e2d\u3002<\/li>\n<li>\u7528\u6cd5\u548cAS_SEQUENCE\u76f8\u540c\u3002<\/li>\n<li>\u53ea\u80fd\u5728\u672c\u5730\u8054\u76df\u5185\u4f20\u9012\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS_CONFED_SET\n<ul>\n<li>:\u5728\u672c\u5730\u8054\u76df\u5185\u7531\u4e00\u7cfb\u5217\u6210\u5458AS\u65e0\u5e8f\u5730\u7ec4\u6210\u3002<\/li>\n<li>\u5305\u542b\u5728UPDATE\u6d88\u606f\u4e2d\u3002<\/li>\n<li>\u7528\u6cd5\u548cAS_SET\u76f8\u540c\u3002<\/li>\n<li>\u53ea\u80fd\u5728\u672c\u5730\u8054\u76df\u5185\u4f20\u9012<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u8def\u7531\u53cd\u5c04\u5668\u548c\u8054\u76df\u7684\u6bd4\u8f83\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u8054\u76df\u9700\u8981\u91cd\u65b0\u5212\u5206\u533a\u57df\uff0c\u5bf9\u73b0\u7f51\u6539\u52a8\u8f83\u5927\u3002<\/li>\n<li>\u53cd\u5c04\u5668\u5728\u914d\u7f6e\u65f6\uff0c\u53ea\u9700\u8981\u5bf9RR\u8fdb\u884c\u914d\u7f6e\uff0c\u5ba2\u6237\u673a\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u5176\u4ed6\u7684\u64cd\u4f5c\uff1b\u8054\u76df\u9700\u8981\u5728\u6240\u6709\u8def\u7531\u5668\u4e0a\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<li>RR\u4e0eRR\u95f4\u9700\u8981IBGP\u5168\u4e92\u8054\u3002<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668\u5e94\u7528\u8f83\u4e3a\u5e7f\u6cdb\uff1b\u8054\u76df\u5e94\u7528\u8f83\u5c11\u3002<\/li>\n<\/ul>\n<ul>\n<li>BGP\u6269\u5c55\u7279\u6027\n<ul>\n<li>\u5b89\u5168\u7279\u6027\n<ul>\n<li>MD5\n<ul>\n<li>BGP\u4f7f\u7528TCP\u4f5c\u4e3a\u4f20\u8f93\u5c42\u534f\u8bae\u3002<\/li>\n<li>\u4e3a\u63d0\u9ad8BGP\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u5728\u5efa\u7acbTCP\u8fde\u63a5\u65f6\u8fdb\u884cMD5\u8ba4\u8bc1\u3002<\/li>\n<li>\u4f46BGP\u7684MD5\u8ba4\u8bc1\u5e76\u4e0d\u80fd\u5bf9BGP\u62a5\u6587\u8ba4\u8bc1\uff0c\u5b83\u53ea\u662f\u4e3aTCP\u8fde\u63a5\u8bbe\u7f6eMD5\u8ba4\u8bc1\u5bc6\u7801\uff0c\u7531TCP\u5b8c\u6210\u8ba4\u8bc1\u3002<\/li>\n<li>\u5982\u679c\u8ba4\u8bc1\u5931\u8d25\uff0c\u5219\u4e0d\u5efa\u7acbTCP\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>GTSM\uff08Generalized TTL Security Mechanism\uff09\n<ul>\n<li>GTSM\u901a\u8fc7\u68c0\u6d4bIP\u62a5\u6587\u5934\u4e2d\u7684TTL\u503c\u662f\u5426\u5728\u4e00\u4e2a\u9884\u5148\u5b9a\u4e49\u597d\u7684\u7279\u5b9a\u8303\u56f4\u5185\uff0c\u5bf9IP\u5c42\u4ee5\u4e0a\u4e1a\u52a1\u8fdb\u884c\u4fdd\u62a4\uff0c\u589e\u5f3a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li>\u4f7f\u80fdBGP\u7684GTSM\u7b56\u7565\u540e\uff0c\u63a5\u53e3\u677f\u5bf9\u6240\u6709BGP\u62a5\u6587\u7684TTL\u503c\u8fdb\u884c\u68c0\u67e5\u3002<\/li>\n<li>\u6839\u636e\u5b9e\u9645\u7ec4\u7f51\u7684\u9700\u8981\uff0c\u5bf9\u4e8e\u4e0d\u7b26\u5408TTL\u503c\u8303\u56f4\u7684\u62a5\u6587\uff0cGTSM\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u901a\u8fc7\u6216\u4e22\u5f03\u3002<\/li>\n<li>\u914d\u7f6eGTSM\u7f3a\u7701\u52a8\u4f5c\u4e3a\u4e22\u5f03\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u7f51\u7edc\u62d3\u6251\u9009\u62e9\u5408\u9002\u7684TTL\u6709\u9650\u503c\u8303\u56f4\uff0c\u4e0d\u7b26\u5408TTL\u503c\u8303\u56f4\u7684\u62a5\u6587\u4f1a\u88ab\u63a5\u53e3\u677f\u76f4\u63a5\u4e22\u5f03\uff0c\u8fd9\u6837\u5c31\u907f\u514d\u4e86\u7f51\u7edc\u653b\u51fb\u8005\u6a21\u62df\u7684\u201c\u5408\u6cd5\u201dBGP\u62a5\u6587\u5360\u7528CPU\u3002<\/li>\n<li>\u8be5\u529f\u80fd\u4e0eEBGP\u591a\u8df3\u4e92\u65a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9650\u5236\u4ece\u5bf9\u7b49\u4f53\u63a5\u6536\u7684\u8def\u7531\u6570\u91cf\n<ul>\n<li>\u9632\u6b62\u8d44\u6e90\u8017\u5c3d\u6027\u653b\u51fb\u3002<\/li>\n<\/ul>\n<\/li>\n<li>AS_Path\u957f\u5ea6\u4fdd\u62a4\n<ul>\n<li>\u901a\u8fc7\u5728\u5165\u53e3\u548c\u51fa\u53e3\u4e24\u4e2a\u65b9\u5411\u5bf9AS_Path\u7684\u957f\u5ea6\u8fdb\u884c\u9650\u5b9a\uff0c\u76f4\u63a5\u4e22\u5f03AS_Path\u8d85\u9650\u7684\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8def\u7531\u8870\u51cf\n<ul>\n<li>\u8def\u7531\u8870\u51cf\uff08Route Dampening\uff09\u7528\u6765\u89e3\u51b3\u8def\u7531\u4e0d\u7a33\u5b9a\u7684\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>BGP\u8870\u51cf\u4f7f\u7528\u60e9\u7f5a\u503c\uff08Penalty Value\uff09\n<ul>\n<li>\u6765\u8861\u91cf\u4e00\u6761\u8def\u7531\u7684\u7a33\u5b9a\u6027\uff0c\u60e9\u7f5a\u503c\u8d8a\u9ad8\u5219\u8bf4\u660e\u8def\u7531\u8d8a\u4e0d\u7a33\u5b9a\u3002<\/li>\n<li>\u8def\u7531\u6bcf\u53d1\u751f\u4e00\u6b21\u632f\u8361\uff08\u8def\u7531\u4ece\u6fc0\u6d3b\u72b6\u6001\u53d8\u4e3a\u672a\u6fc0\u6d3b\u72b6\u6001\uff0c\u79f0\u4e3a\u4e00\u6b21\u8def\u7531\u632f\u8361\uff09\uff0cBGP\u4fbf\u4f1a\u7ed9\u6b64\u8def\u7531\u589e\u52a0\u4e00\u5b9a\u7684\u60e9\u7f5a\u503c\uff081000\uff09\u3002<\/li>\n<li>\u5f53\u60e9\u7f5a\u503c\u8d85\u8fc7\u6291\u5236\u9608\u503c\uff08Suppress Value\uff09\u65f6\uff0c\u6b64\u8def\u7531\u88ab\u6291\u5236\uff0c\u4e0d\u52a0\u5165\u5230\u8def\u7531\u8868\u4e2d\uff0c\u4e5f\u4e0d\u518d\u5411\u5176\u4ed6BGP\u5bf9\u7b49\u4f53\u53d1\u5e03\u66f4\u65b0\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6700\u5927\u6291\u5236\u503c\uff08Maximum Suppress Value\uff09\n<ul>\n<li>\u5f53\u67d0\u6761\u8def\u7531\u7684\u60e9\u7f5a\u503c\u5230\u8fbe\u6700\u5927\u6291\u5236\u503c\uff08Maximum Suppress Value\uff09,\u4fbf\u4e0d\u4f1a\u518d\u589e\u52a0\u3002<\/li>\n<li>\u8fd9\u6837\u5c31\u53ef\u4ee5\u786e\u4fdd\u67d0\u8def\u7531\u5728\u975e\u5e38\u77ed\u7684\u65f6\u95f4\u5185\u7ffb\u52a8\u5341\u51e0\u6b21\u4e4b\u540e\uff0c\u4e0d\u4f1a\u5c06\u60e9\u7f5a\u503c\u7d2f\u52a0\u5230\u4e00\u4e2a\u5f88\u9ad8\u7684\u3001\u4f7f\u8def\u7531\u59cb\u7ec8\u4fdd\u6301\u88ab\u6291\u5236\u72b6\u6001\u7684\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6291\u5236\u9608\u503c\uff08Suppress Value\uff09<\/li>\n<li>\u518d\u4f7f\u7528\u9608\u503c\uff08Reuse Value\uff09<\/li>\n<li>\u534a\u8870\u671f\uff08Half-life\uff09\n<ul>\n<li>\u88ab\u6291\u5236\u7684\u8def\u7531\u6bcf\u7ecf\u8fc7\u4e00\u6bb5\u65f6\u95f4\uff0c\u60e9\u7f5a\u503c\u4fbf\u4f1a\u51cf\u5c11\u4e00\u534a\uff0c\u8fd9\u4e2a\u65f6\u95f4\u79f0\u4e3a\u534a\u8870\u671f\uff08Half-life\uff09\u3002<\/li>\n<li>\u5f53\u60e9\u7f5a\u503c\u964d\u5230\u518d\u4f7f\u7528\u9608\u503c\uff08Reuse Value\uff09\u65f6\uff0c\u6b64\u8def\u7531\u53d8\u4e3a\u53ef\u7528\u5e76\u88ab\u52a0\u5165\u5230\u8def\u7531\u8868\u4e2d\uff0c\u540c\u65f6\u5411\u5176\u4ed6BGP\u5bf9\u7b49\u4f53\u53d1\u5e03\u66f4\u65b0\u62a5\u6587\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e0a\u6587\u63d0\u5230\u7684\u60e9\u7f5a\u503c\u3001\u6291\u5236\u9608\u503c\u548c\u534a\u8870\u671f\u90fd\u53ef\u4ee5\u624b\u52a8\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u591a\u6570\u60c5\u51b5\u4e0b\uff0cBGP\u534f\u8bae\u90fd\u5e94\u7528\u4e8e\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u8def\u7531\u53d8\u5316\u5341\u5206\u9891\u7e41\u3002<\/li>\n<li>\u4e3a\u4e86\u9632\u6b62\u6301\u7eed\u7684\u8def\u7531\u632f\u8361\u5e26\u6765\u7684\u4e0d\u5229\u5f71\u54cd\uff0cBGP\u4f7f\u7528\u8def\u7531\u8870\u51cf\u6765\u6291\u5236\u4e0d\u7a33\u5b9a\u7684\u8def\u7531\u3002<\/li>\n<li>\u8def\u7531\u8870\u51cf\u53ea\u9002\u7528\u4e8eEBGP\u8def\u7531\u3002\n<ul>\n<li>\u5bf9\u4e8e\u4eceIBGP\u6536\u6765\u7684\u8def\u7531\u4e0d\u80fd\u8fdb\u884c\u8870\u51cf\uff0c\u56e0\u4e3aIBGP\u8def\u7531\u7ecf\u5e38\u542b\u6709\u672cAS\u7684\u8def\u7531\uff0c\u5185\u90e8\u7f51\u7edc\u8def\u7531\u8981\u6c42\u8f6c\u53d1\u8868\u5c3d\u53ef\u80fd\u4e00\u81f4\uff0cIGP\u5feb\u901f\u6536\u655b\u5c31\u662f\u4e3a\u4e86\u8fbe\u5230\u4fe1\u606f\u540c\u6b65\uff0c\u8f6c\u53d1\u4e00\u81f4\u3002<\/li>\n<li>\u5982\u679c\u8870\u51cf\u5bf9IBGP\u8def\u7531\u8d77\u4f5c\u7528\uff0c\u4e0d\u540c\u8bbe\u5907\u7684\u8870\u51cf\u53c2\u6570\u4e0d\u4e00\u81f4\u65f6\uff0c\u4f1a\u5bfc\u81f4\u8f6c\u53d1\u8868\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u589e\u5f3a\u7279\u6027\n<ul>\n<li>BGP ORF\n<ul>\n<li>BGP\u57fa\u4e8e\u524d\u7f00\u7684ORF\uff08 Outbound Route Filtering \uff09\u529f\u80fd<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u57fa\u4e8e\u672c\u5730\u7684\u5165\u53e3\u7b56\u7565\u6784\u5efa\u5bf9\u7aef\u7684\u51fa\u53e3\u7b56\u7565\uff0c\u5b9e\u73b0BGP\u6309\u9700\u53d1\u5e03\u8def\u7531\uff1b<\/li>\n<li>\u5305\u62ec\u57fa\u4e8e\u524d\u7f00\u7684ORF\u548cVPNORF\u3002<\/li>\n<li>\u62d3\u6251\u63cf\u8ff0\n<ul>\n<li>\u76f4\u8fdeEBGP\u90bb\u5c45\u4e2d\uff0cClient1\u3001R1\u534f\u5546\u57fa\u4e8e\u524d\u7f00\u7684ORF\u80fd\u529b\u540e\uff0cClient1\u5c06\u672c\u5730\u914d\u7f6e\u7684\u57fa\u4e8e\u524d\u7f00\u7684\u5165\u53e3\u7b56\u7565\u6253\u5305\u5230Route-refresh\u62a5\u6587\u4e2d\u53d1\u9001\u7ed9R1\u3002R1\u6839\u636e\u63a5\u6536\u5230\u7684\u8def\u7531\u5237\u65b0\u62a5\u6587\u6784\u9020\u51fa\u53e3\u7b56\u7565\uff0c\u901a\u8fc7Route-refresh\u62a5\u6587\u53d1\u9001\u8def\u7531\u7ed9Client1\u3002Client1\u53ea\u6536\u5230\u5b83\u9700\u8981\u7684\u8def\u7531\uff0c\u800cR1\u4e0d\u5fc5\u7ef4\u62a4\u8def\u7531\u7b56\u7565\uff0c\u51cf\u5c11\u4e86\u914d\u7f6e\u5de5\u4f5c\u3002<\/li>\n<li>Client1\u3001Client2\u4e3aRR\u7684\u5ba2\u6237\u7aef\uff0cClient1\u4e0eRR\u3001Client2\u4e0eRR\uff0c\u5206\u522b\u534f\u5546\u57fa\u4e8e\u524d\u7f00\u7684ORF\u80fd\u529b\uff0cClient1\u3001Client2\u5c06\u672c\u5730\u914d\u7f6e\u7684\u57fa\u4e8e\u524d\u7f00\u7684\u5165\u53e3\u7b56\u7565\u6253\u5305\u5230Route-refresh\u62a5\u6587\u4e2d\u53d1\u9001\u7ed9RR\u3002RR\u6839\u636e\u63a5\u6536\u5230\u7684\u524d\u7f00\u4fe1\u606f\u6784\u9020\u51fa\u53e3\u7b56\u7565\uff0c\u901a\u8fc7Route-refresh\u62a5\u6587\u5c06\u8def\u7531\u53cd\u5c04\u7ed9Client1\u3001Client2\u3002Client1\u548cClient2\u53ea\u6536\u5230\u9700\u8981\u7684\u8def\u7531\uff0cRR\u4e0d\u5fc5\u7ef4\u62a4\u8def\u7531\u7b56\u7565\uff0c\u51cf\u5c11\u4e86\u914d\u7f6e\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f5c\u7528\n<ul>\n<li>\u907f\u514d\u4e86\u672c\u7aef\u8bbe\u5907\u63a5\u6536\u5927\u91cf\u65e0\u7528\u7684\u8def\u7531\u3002<\/li>\n<li>\u964d\u4f4e\u4e86\u672c\u7aef\u8bbe\u5907\u7684CPU\u4f7f\u7528\u7387\u3002<\/li>\n<li>\u6709\u6548\u51cf\u5c11\u4e86BGP\u90bb\u5c45\u7684\u914d\u7f6e\u5de5\u4f5c\u3002<\/li>\n<li>\u964d\u4f4e\u4e86\u94fe\u8def\u5e26\u5bbd\u7684\u5360\u7528\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<li>Active-Route-Advertise\n<ul>\n<li>\u53ea\u6709\u5f53BGP\u8def\u7531\u88ab\u6210\u529f\u7684\u5b89\u88c5\u8fdbIP\u6216IPv6\u8def\u7531\u8868\uff0c\u8be5\u8def\u7531\u624d\u80fd\u88ab\u53d1\u9001\u7ed9\u90bb\u5c45<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u8def\u7531\u53ea\u9700\u5728BGP\u4e2d\u4f18\u9009\u5373\u53ef\u5411\u90bb\u5c45\u53d1\u5e03\u3002<\/li>\n<li>\u914d\u7f6e\u4e86\u6b64\u7279\u6027\u4e4b\u540e\uff0c\u8def\u7531\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u5728BGP\u534f\u8bae\u5c42\u9762\u4f18\u9009\u4e0e\u5728\u8def\u7531\u7ba1\u7406\u5c42\u9762\u6d3b\u8dc3\u4e24\u4e2a\u6761\u4ef6\uff0c\u624d\u80fd\u5411\u90bb\u5c45\u53d1\u5e03\u3002<\/li>\n<li>\u4e0e\u547d\u4ee4bgp-rib-only\uff08\u7528\u6765\u7981\u6b62BGP\u8def\u7531\u4e0b\u53d1\u5230IP\u8def\u7531\u8868\uff09\u4e92\u65a5\u3002<\/li>\n<\/ul>\n<ul>\n<li>4\u5b57\u8282AS\u53f7\u6982\u5ff5\n<ul>\n<li>4\u5b57\u8282AS\u53f7\u7279\u6027\u662f\u5c06AS\u53f7\u7684\u7f16\u7801\u8303\u56f4\u75312\u5b57\u8282\u6269\u5927\u4e3a4\u5b57\u8282<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>4\u5b57\u8282AS\u53f7\u5b9a\u4e49\u7684\u89d2\u8272\n<ul>\n<li>NewSpeaker\uff1a\u652f\u63014\u5b57\u8282AS\u53f7\u6269\u5c55\u80fd\u529b\u7684\u5bf9\u7b49\u4f53\u3002<\/li>\n<li>OldSpeaker\uff1a\u4e0d\u652f\u63014\u5b57\u8282AS\u53f7\u6269\u5c55\u80fd\u529b\u7684\u5bf9\u7b49\u4f53\u3002<\/li>\n<li>NewSession\uff1aNewSpeaker\u4e4b\u95f4\u5efa\u7acb\u7684BGP\u8fde\u63a5\u3002<\/li>\n<li>OldSession\uff1aNewSpeaker\u548cOldSpeaker\u4e4b\u95f4\u6216\u8005OldSpeaker\u4e4b\u95f4\u5efa\u7acb\u7684BGP\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u62d3\u6251\u63cf\u8ff0\n<ul>\n<li>R2\u6536\u5230R1\u7684\u4e00\u6761\u56db\u5b57\u8282AS\u7684\u8def\u7531,AS\u53f7\u7801\u4e3a10.1\uff1b<\/li>\n<li>R2\u4e0eR3\u5efa\u7acb\u90bb\u5c45\uff0c\u9700\u8981\u4ee4R3\u8ba4\u4e3aR2\u7684AS\u53f7\u4e3aAS_TRANS\uff1b<\/li>\n<li>R2\u53d1\u9001\u8def\u7531\u7ed9R3\u7684\u65f6\u5019\u628aAS_TRANS\u8bb0\u5f55\u5728AS_Path\u91cc\u9762\uff0c\u628a10.1\u4e0e\u81ea\u5df1\u7684AS\u53f7\u780120.1\u6309\u7167BGP\u8981\u6c42\u7684\u987a\u5e8f\u8bb0\u5f55\u5728AS4_Path\uff1b<\/li>\n<li>R3\u5bf9\u4e8e\u4e0d\u8bc6\u522b\u7684\u5c5e\u6027AS4_Path\u4e0d\u4f5c\u5904\u7406\u4f9d\u7136\u4fdd\u7559\uff0c\u5b83\u53ea\u6309\u7167BGP\u7684\u89c4\u5219\u6765\u53d1\u9001\u8def\u7531\u7ed9RD\u3002\u5f53\u7136\u5b83\u8ba4\u4e3aR4\u7684AS\u53f7\u7801\u4e5f\u662fAS_TRANS\uff1b<\/li>\n<li>\u8fd9\u6837\u5f53R4\u6536\u5230\u4eceR3\u6765\u7684\u8def\u7531\u4f1a\u628aAS_PATH\u4e2d\u7684AS_TRANS\u6309\u7167\u987a\u5e8f\u66ff\u6362\u4e3aAS4_Path\u91cc\u6240\u8bb0\u5f55\u7684\u76f8\u5e94\u7684\u5730\u5740\uff0c\u5728R4\u4e0a\u628aAS_PATH\u5c5e\u6027\u8fd8\u539f\u4e3a3020.1 10.1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u534f\u8bae\u6269\u5c55\n<ul>\n<li>\u5b9a\u4e49\u4e862\u79cd\u65b0\u7684\u53ef\u9009\u8fc7\u6e21\u5c5e\u6027AS4_Path\uff08\u5c5e\u6027\u7801\u4e3a0x11\uff09\u548cAS4_Aggregator\u5c5e\u6027\uff08\u5c5e\u6027\u7801\u4e3a0x12\uff09\u7528\u4e8e\u5728OldSession\u4e0a\u4f20\u90124\u5b57\u8282AS\u4fe1\u606f\u3002<\/li>\n<li>\u5982\u679cNewSpeaker\u548cOldSpeaker\u5efa\u7acb\u8fde\u63a5\uff0c\u5b9a\u4e49AS_TRANS\uff08\u4fdd\u7559\u503c\u4e3a23456\uff09\u7528\u4e8e\u8854\u63a52\u5b57\u8282AS\u548c4\u5b57\u8282AS\u3002<\/li>\n<li>\u65b0\u7684AS\u53f7\u6709\u4e09\u79cd\u5199\u6cd5\uff1a\n<ul>\n<li>splain\uff1a\u5c31\u662f\u4e00\u4e2a\u5341\u8fdb\u5236\u7684\u6570\u5b57<\/li>\n<li>asdot+:\u5199\u6210\uff082\u5b57\u8282\uff09.\uff082\u5b57\u8282\uff09\u7684\u5f62\u5f0f\uff0c\u6240\u4ee5\u65e7\u76842\u5b57\u8282ASN123\u53ef\u4ee5\u5199\u62100.123\uff0cASN65536\u662f1.0\uff1b\u6700\u5927\u4e3a65535.65535\uff1b<\/li>\n<li>asdot\uff1a\u65e7\u76842\u5b57\u8282\u5199\u6cd5\u7167\u65e7\uff0c\u65b0\u76844\u5b57\u8282\u5199\u6210asdot+\u7684\u5f62\u5f0f\uff1b\uff081\uff0d65535\uff1b1.0\uff0d65535.65535\uff09<\/li>\n<li>\u534e\u4e3a\u652f\u6301asdot\u5199\u6cd5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6309\u7b56\u7565\u8fdb\u884c\u4e0b\u4e00\u8df3\u8fed\u4ee3\n<ul>\n<li>\u901a\u8fc7\u914d\u7f6e\u8def\u7531\u7b56\u7565\u6765\u9650\u5236\u8fed\u4ee3\u5230\u7684\u8def\u7531\u3002\u5982\u679c\u8def\u7531\u4e0d\u80fd\u901a\u8fc7\u8def\u7531\u7b56\u7565\uff0c\u5219\u8be5\u8def\u7531\u8fed\u4ee3\u5931\u8d25<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u62d3\u6251\u63cf\u8ff0\n<ul>\n<li>R1\u548cR2\u3001R3\u4e4b\u95f4\u901a\u8fc7Loopback\u53e3\u5efa\u7acbIBGP\u90bb\u5c45\u3002R1\u4eceR2\u3001R3\u5206\u522b\u6536\u5230\u4e86\u524d\u7f00\u4e3a10.0.0.0\/24\u7684BGP\u8def\u7531\u3002\u5176\u4e2d\u4eceR2\u6536\u5230\u7684BGP\u8def\u7531\u7684\u539f\u59cb\u4e0b\u4e00\u8df3\u4e3a2.2.2.2\u3002\u53e6\u5916\uff0cR1\u4e0aEthernet0\/0\/0\u7684\u63a5\u53e3\u5730\u5740\u4e3a2.2.2.100\/24\u3002<\/li>\n<li>\u5f53R2\u6b63\u5e38\u8fd0\u884c\u65f6\uff0cR1\u6536\u5230\u4eceR2\u53d1\u6765\u7684\u524d\u7f00\u4e3a10.0.0.0\/24\u7684\u8def\u7531\u4f1a\u8fed\u4ee3\u5230IGP\u8def\u75312.2.2.2\/32\u3002\u4f46\u662f\u5f53R2\u7684IGP\u53d1\u751f\u6545\u969c\u65f6\uff0cIGP\u8def\u75312.2.2.2\/32\u88ab\u64a4\u9500\uff0c\u8fd9\u6837\u5c31\u5bfc\u81f4\u4e0b\u4e00\u8df3\u91cd\u65b0\u8fed\u4ee3\u3002\u5728R1\u4e0a\u4f1a\u7528\u539f\u59cb\u4e0b\u4e00\u8df32.2.2.2\u5728IP\u8def\u7531\u8868\u4e2d\u8fdb\u884c\u6700\u957f\u5339\u914d\u8fed\u4ee3\uff0c\u7ed3\u679c\u4f1a\u8fed\u4ee3\u52302.2.2.0\/24\u7684\u8def\u7531\u4e0a\u3002\u4f46\u6b64\u65f6\u7528\u6237\u671f\u671b\u7684\u662f\uff0c\u5f53\u52302.2.2.2\u7684\u8def\u7531\u4e0d\u53ef\u8fbe\u65f6\uff0c\u53ef\u4ee5\u91cd\u65b0\u9009\u8def\u4f18\u9009\u52303.3.3.3\u7684\u8def\u7531\u3002\u5b9e\u9645\u4e0a\u8be5\u6545\u969c\u4e3b\u8981\u662f\u7531\u4e8eBGP\u6536\u655b\u5f15\u8d77\u7684\uff0c\u4ece\u800c\u4ea7\u751f\u4e86\u8def\u7531\u7684\u77ac\u65f6\u9ed1\u6d1e\u3002<\/li>\n<li>\u914d\u7f6e\u4e0b\u4e00\u8df3\u8fed\u4ee3\u7b56\u7565\uff0c\u53ef\u4ee5\u901a\u8fc7\u5230BGP\u8def\u7531\u539f\u59cb\u4e0b\u4e00\u8df3\u6240\u4f9d\u8d56\u8def\u7531\u7684\u63a9\u7801\u957f\u5ea6\u6765\u8fc7\u6ee4\u8fed\u4ee3\u8def\u7531\u3002\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u4e0b\u4e00\u8df3\u8fed\u4ee3\u7b56\u7565\uff0c\u4f7f\u5230\u539f\u59cb\u4e0b\u4e00\u8df32.2.2.2\u53ea\u80fd\u4f9d\u8d56\u4e8e2.2.2.2\/32\u7684IGP\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u9700\u8981\u5bf9\u975e\u76f4\u8fde\u7684\u4e0b\u4e00\u8df3\u8fdb\u884c\u8def\u7531\u8fed\u4ee3\uff0c\u4f46\u662f\u5982\u679c\u4e0d\u5bf9\u8fed\u4ee3\u5230\u7684\u8def\u7531\u8fdb\u884c\u8fc7\u6ee4\u7684\u8bdd\uff0c\u53ef\u80fd\u4f1a\u8fed\u4ee3\u5230\u4e00\u4e2a\u9519\u8bef\u7684\u8f6c\u53d1\u8def\u5f84\u4e0a\u3002<\/li>\n<li>\u6309\u7b56\u7565\u8fdb\u884c\u4e0b\u4e00\u8df3\u8fed\u4ee3\u5c31\u662f\u901a\u8fc7\u914d\u7f6e\u8def\u7531\u7b56\u7565\u6765\u9650\u5236\u8fed\u4ee3\u5230\u7684\u8def\u7531\u3002<\/li>\n<li>\u5982\u679c\u8def\u7531\u4e0d\u80fd\u901a\u8fc7\u8def\u7531\u7b56\u7565\uff0c\u5219\u8be5\u8def\u7531\u8fed\u4ee3\u5931\u8d25\u3002<\/li>\n<\/ul>\n<ul>\n<li>Internet\u8bbe\u8ba1\u7406\u5ff5\n<ul>\n<li>\u4ec0\u4e48\u6837\u7684\u7f51\u7edc\u9700\u8981BGP\n<ul>\n<li>\u5e38\u89c1\u7684\u4f01\u4e1a\u7f51\u7edc\u62d3\u6251\u7c7b\u578b\n<ul>\n<li>\u5355\u5f52\u5c5e\u81ea\u6cbb\u7cfb\u7edf\uff08\u4e00\u4e2a\u51fa\u53e3\u8bbe\u5907\u4e14\u8fde\u63a5\u5230\u4e00\u4e2aISP\uff09\n<ul>\n<li>\u4ec5\u6709\u4e00\u4e2a\u51fa\u53e3\u8bbe\u5907\u4e14\u53ea\u8fde\u63a5\u5230\u4e00\u4e2aISP<\/li>\n<li>\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c31\u53ef\u4ee5\u4e0d\u9700\u8981\u914d\u7f6eBGP\u534f\u8bae\u3002<\/li>\n<li>\u53ef\u5728\u7528\u6237\u8fb9\u754c\u8bbe\u5907\u4e0a\u6dfb\u52a0\u4e00\u6761\u9ed8\u8ba4\u8def\u7531\uff0c\u5e76\u5ba3\u544a\u5230\u7528\u6237\u81ea\u6cbb\u7cfb\u7edf\u5185\u90e8<\/li>\n<\/ul>\n<\/li>\n<li>\u591a\u5f52\u5c5e\u5230\u5355\u81ea\u6cbb\u7cfb\u7edf\uff08\u591a\u4e2a\u51fa\u53e3\u8bbe\u5907\u4ec5\u8fde\u63a5\u5230\u4e00\u4e2aISP\uff09\n<ul>\n<li>\u589e\u52a0\u4e86\u5bf9\u94fe\u8def\u548c\u7f51\u7edc\u8bbe\u5907\u7684\u5197\u4f59\u6027\uff0c\u4e00\u822c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7528\u6237\u7f51\u7edc\u7528\u7684\u4f1a\u662f\u79c1\u6709AS\u53f7<\/li>\n<li>\u82e5\u4e24\u6761\u94fe\u8def\u91c7\u7528\u4e3b\u5907\u7684\u65b9\u5f0f\n<ul>\n<li>\u4e0d\u9700\u8981\u91c7\u7528BGP\u3002<\/li>\n<li>\u4e24\u53f0\u51fa\u53e3\u8bbe\u5907\u5206\u522b\u5411\u672c\u81ea\u6cbb\u7cfb\u7edf\u5185\u7684\u8bbe\u5907\u5ba3\u544ametric\u503c\u4e0d\u540c\u7684\u9ed8\u8ba4\u8def\u7531\u5373\u53ef\u3002<\/li>\n<li>\u82e5\u91c7\u7528OSPF\u4e3aIGP\uff0c\u5916\u90e8\u8def\u7531\u7684cost\u5e94\u8be5\u91c7\u7528E2\u65b9\u5f0f\uff0c\u4ec5\u8003\u8651\u5916\u90e8\u5f00\u9500\uff08cost\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u82e5\u4e24\u53f0\u8def\u7531\u5668\u91c7\u7528\u8d1f\u8f7d\u5206\u62c5\u65b9\u5f0f\n<ul>\n<li>\u65b9\u5f0f\u4e00\uff1a\u4e24\u53f0\u8def\u7531\u5668\u5206\u522b\u5411\u81ea\u6cbb\u7cfb\u7edf\u5185\uff08IGP\u91c7\u7528OSPF\uff09\u5ba3\u544acosttype\u4e3aE1\u7684\u9ed8\u8ba4\u8def\u7531\uff0c\u4f7f\u5f97\u81ea\u6cbb\u7cfb\u7edf\u5176\u4ed6\u8def\u7531\u5668\u9009\u62e9\u8ddd\u79bb\u81ea\u5df1\u6700\u8fd1\u7684\u51fa\u53e3\u8def\u7531\u5668\u5230\u8fbe\u5916\u90e8\u7f51\u7edc\u3002\u8fd9\u79cd\u60c5\u51b5\u4e5f\u53ef\u4ee5\u4e0d\u4f7f\u7528BGP\u3002\u4f46\u662f\u5f53\u4e24\u4e2a\u51fa\u53e3\u8def\u7531\u5668\u7684\u7269\u7406\u95f4\u9694\u5341\u5206\u5927\uff0c\u5e76\u4e14\u5bf9\u65f6\u5ef6\u6709\u5f88\u9ad8\u8981\u6c42\u65f6\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u91c7\u53d6BGP\u6765\u83b7\u53d6\u66f4\u7cbe\u7ec6\u7684\u8def\u7531\u6761\u76ee\u3002<\/li>\n<li>\u65b9\u5f0f\u4e8c\uff1a\u4e0eISP\u8bbe\u5907\u4e4b\u95f4\u5efa\u7acbBGP\u8fde\u63a5\uff0c\u4eceBGP\u63a5\u6536\u66f4\u4e3a\u7cbe\u7ec6\u7684\u8def\u7531\u6761\u76ee\uff0c\u914d\u5408\u4e0a\u8def\u7531\u7b56\u7565\u5de5\u5177\u7684\u4f7f\u7528\uff0c\u6765\u8fbe\u5230\u9488\u5bf9\u4e0d\u540c\u76ee\u7684\u5730\u5740\u4f7f\u7528\u4e0d\u540c\u51fa\u53e3\u8def\u7531\u7684\u76ee\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u591a\u5f52\u5c5e\u5230\u591a\u81ea\u6cbb\u7cfb\u7edf\uff08\u591a\u4e2a\u51fa\u53e3\u8bbe\u5907\u4e14\u8fde\u63a5\u5230\u591a\u4e2aISP\uff09\n<ul>\n<li>\u4e0d\u4ec5\u589e\u52a0\u4e86\u5bf9\u94fe\u8def\u548c\u7f51\u7edc\u8bbe\u5907\u7684\u5197\u4f59\u6027\uff0c\u540c\u65f6\u4f7f\u7528\u4e86\u505a\u5230\u4e86ISP\u7684\u5197\u4f59\u5907\u4efd<\/li>\n<li>\u5bf9\u4e8e\u8fd9\u79cd\u81ea\u6cbb\u7cfb\u7edf\uff0c\u9700\u8981\u5145\u5206\u8003\u8651\u5230\u5730\u5740\u7a7a\u95f4\u662f\u5426\u72ec\u7acb\u4e8e\u8fd0\u8425\u5546\uff0c\u662f\u5426\u62e5\u6709\u516c\u6709AS\u53f7\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5f53\u7528\u6237\u7f51\u7edc\u62e5\u6709\u72ec\u7acb\u4e8eISP\u7684\u5730\u5740\u7a7a\u95f4\u548c\u516c\u6709AS\u53f7\u65f6\uff0c\u6709\u4e09\u79cd\u90e8\u7f72\u65b9\u5f0f\n<ul>\n<li>\u65b9\u5f0f\u4e00\uff1a\u91c7\u53d6\u4e3b\u5907\u65b9\u5f0f\uff0c\u51fa\u53e3\u8def\u7531\u5668\u5411\u5185\u90e8\u5ba3\u544a\u5f00\u9500\u4e0d\u4e00\u6837\u7684\u9ed8\u8ba4\u8def\u7531\u3002<\/li>\n<li>\u65b9\u5f0f\u4e8c\uff1a\u8d1f\u8f7d\u5206\u62c5\u65b9\u5f0f\uff0c\u51fa\u53e3\u8def\u7531\u5668\u5411\u5185\u90e8\u5ba3\u544a\u9ed8\u8ba4\u8def\u7531\uff0c\u4ec5\u4f7f\u7528IGP\u7684\u5f00\u9500\u8ba1\u7b97\u673a\u5236\uff0c\u7531IGP\u81ea\u884c\u51b3\u5b9a\u4f7f\u7528\u54ea\u4e00\u53f0\u51fa\u53e3\u8def\u7531\u5668\u3002<\/li>\n<li>\u65b9\u5f0f\u4e09\uff1a\u90e8\u7f72BGP\u3002\u8003\u8651\u4e0eISP\u7b7e\u7f72\u7684\u5408\u7ea6\uff0c\u4f01\u4e1a\u672c\u8eab\u7684\u4e1a\u52a1\u6d41\u91cf\u7279\u70b9\u7b49\u56e0\u7d20\uff0c\u4f7f\u7528\u5404\u79cd\u8def\u7531\u7b56\u7565\u5de5\u5177\uff0c\u5982\u6709\u5fc5\u8981\u4e5f\u53ef\u4ee5\u4f7f\u7528\u9ed8\u8ba4\u8def\u7531\u5ba3\u544a\u7b49\u65b9\u5f0f\u3002\u5145\u5206\u63a7\u5236\u4f01\u4e1a\u8fdb\u548c\u51fa\u65b9\u5411\u7684\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u591a\u5f52\u5c5e\u5230\u591a\u81ea\u6cbb\u7cfb\u7edf\u7684\u7f51\u7edc\u4f1a\u8003\u8651\u90e8\u7f72BGP\u534f\u8bae\uff0c\u56e0\u4e3a\u524d\u4e24\u79cd\u65b9\u6cd5\u4e0d\u5229\u4e8e\u8def\u7531\u7684\u63a7\u5236\u3002\u4f46\u662f\u4e0d\u662f\u7edd\u5bf9\u7684\uff0c\u9700\u8981\u4ed4\u7ec6\u6743\u8861\u6240\u5f97\u5230\u7684\u597d\u5904\u4e0e\u589e\u52a0\u8def\u7531\u590d\u6742\u5ea6\u6240\u5e26\u6765\u7684\u4ee3\u4ef7\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9700\u8981BGP\u7684\u51e0\u70b9\u8003\u8651\n<ul>\n<li>\u8def\u7531\u89c4\u6a21\u5e9e\u5927\u4e14\u65e0\u6cd5\u805a\u5408\uff1b<\/li>\n<li>\u8de8\u7ecf\u8425\u5b9e\u4f53\u65f6\uff08\u6c9f\u901a\u4e0d\u4fbf\u5229\u3001\u4fe1\u606f\u4fdd\u5bc6\uff09\uff1b<\/li>\n<li>\u4e00\u4e2a\u8def\u7531\u9009\u62e9\u57df\u5185\u8fd0\u884c\u4e86\u591a\u79cdIGP\u534f\u8bae\uff1b<\/li>\n<li>IGP\u65e0\u6cd5\u63d0\u4f9b\u76f8\u5e94\u7684\u5de5\u5177\u6765\u5b9e\u65bd\u6240\u9700\u7b56\u7565\uff1b<\/li>\n<li>\u591aISP\u5f52\u5c5e\u7f51\u7edc\uff1b<\/li>\n<li>\u2026\u2026.<\/li>\n<li>\u5f53\u7b26\u5408\u4ee5\u4e0a\u7684\u60c5\u51b5\uff0c\u4e14\u5145\u5206\u8003\u8651\u5de5\u7a0b\u5b9e\u65bd\uff0c\u7f51\u7edc\u89c4\u5212\u7b49\u5185\u5bb9\u4e4b\u540e\u53ef\u4ee5\u8003\u8651\u90e8\u7f72BGP\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6f5c\u5728\u5371\u9669\n<ul>\n<li>BGP\u8def\u7531\u52ab\u6301\n<ul>\n<li>\u4ea7\u751f\u539f\u56e0\n<ul>\n<li>BGP\u534f\u8bae\u91cc\u867d\u7136\u6709\u4e00\u4e9b\u7b80\u5355\u7684\u5b89\u5168\u8ba4\u8bc1\u7684\u90e8\u5206\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e24\u4e2a\u5df2\u7ecf\u6210\u529f\u5efa\u7acbBGP\u8fde\u63a5\u7684AS\u6765\u8bf4\uff0c\u57fa\u672c\u4f1a\u65e0\u6761\u4ef6\u7684\u76f8\u4fe1\u5bf9\u65b9AS\u6240\u4f20\u6765\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u5bf9\u65b9\u58f0\u79f0\u6240\u62e5\u6709\u7684IP\u5730\u5740\u8303\u56f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6f5c\u5728\u5371\u5bb3\n<ul>\n<li>\u82e5\u65e0\u6761\u4ef6\u76f8\u4fe1\u5bf9\u65b9\u53d1\u9001\u8fc7\u6765\u7684Update\u6d88\u606f\uff0c\u4e0d\u6392\u9664\u6076\u610f\u7684AS\u5ba3\u544a\u4e0d\u5b58\u5728\u7684IP\u7f51\u6bb5\uff0c\u901a\u8fc7\u4fee\u6539AS_Path\u7b49BGP\u5c5e\u6027\uff0c\u8ba9\u5176\u4ed6AS\u8ba4\u4e3a\u8fd9\u6761\u8def\u5f84\u624d\u662f\u5230\u8fbe\u8fd9\u4e2a\u76ee\u7684\u7f51\u6bb5\u7684\u6700\u77ed\u8def\u5f84\uff0c\u90a3\u4e48\u8be5\u6076\u610f\u7684AS\u5c31\u80fd\u622a\u83b7\u5230\u6570\u636e\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4e0d\u5bf9\u79f0\u8def\u7531\n<ul>\n<li>\u4ea7\u751f\u539f\u56e0\n<ul>\n<li>\u4e0d\u6070\u5f53\u7684\u5c5e\u6027\u4f7f\u7528\u6216\u8005\u662f\u8def\u7531\u805a\u5408\u4e0d\u5408\u7406\u5bfc\u81f4\u8def\u7531\u7cbe\u51c6\u6027\u4e0d\u8db3\uff0c\u5bfc\u81f4\u6d41\u91cf\u7684\u51fa\u65b9\u5411\u548c\u5165\u65b9\u5411\u4e0d\u540c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6f5c\u5728\u5371\u5bb3\n<ul>\n<li>\u9996\u5148\uff0c\u4e0d\u5bf9\u79f0\u6d41\u91cf\u4f1a\u4f7f\u4e92\u8054\u7f51\u7edc\u7684\u6d41\u91cf\u6a21\u578b\u53d8\u5f97\u96be\u4ee5\u9884\u6d4b\uff0c\u4f7f\u5f97\u7f51\u7edc\u57fa\u51c6\u3001\u5bb9\u91cf\u89c4\u5212\u3001\u6545\u969c\u68c0\u6d4b\u53ca\u6392\u9664\u53d8\u5f97\u56f0\u96be\uff1b<\/li>\n<li>\u5176\u6b21\uff0c\u4e0d\u5bf9\u79f0\u6d41\u91cf\u4f1a\u4f7f\u94fe\u8def\u4f7f\u7528\u7387\u51fa\u73b0\u4e0d\u5747\u8861\uff0c\u67d0\u4e9b\u94fe\u8def\u7684\u5e26\u5bbd\u51fa\u73b0\u9971\u548c\uff0c\u800c\u5176\u4ed6\u94fe\u8def\u7684\u5e26\u5bbd\u5374\u5f97\u4e0d\u5230\u6709\u6548\u5229\u7528\uff1b<\/li>\n<li>\u518d\u6b21\uff0c\u4e0d\u5bf9\u79f0\u6d41\u91cf\u4f1a\u4f7f\u51fa\u6d41\u91cf\u548c\u5165\u6d41\u91cf\u7684\u65f6\u5ef6\u51fa\u73b0\u5f88\u5927\u7684\u5dee\u5f02\uff0c\u8fd9\u79cd\u65f6\u5ef6\u53d8\u5316\uff08\u5373\u6296\u52a8\uff09\u4f1a\u5bf9\u67d0\u4e9b\u65f6\u5ef6\u654f\u611f\u578b\u5e94\u7528\uff08\u5982\u8bed\u97f3\u548c\u76f4\u64ad\u89c6\u9891\uff09\u9020\u6210\u635f\u5bb3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u2026\u2026<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u7f51\u7edc\u90e8\u7f72\u53ca\u7ef4\u62a4\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>\u4ee5\u4e00\u4e2a\u591aISP\u5f52\u5c5e\u81ea\u6cbb\u7cfb\u7edf\u4e3a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u516c\u53f8A\u8fde\u63a5\u4e24\u4e2aAS\uff0c\u7531\u4e8e\u914d\u7f6e\u5931\u8bef\uff0c\u5c06ISP1\u5ba3\u544a\u7684\u8def\u7531\u5ba3\u544a\u8fdb\u5165\u4e86ISP2\u3002<\/li>\n<li>\u6ce8\u610f\u7b5b\u9009ISP\u53d1\u5e03\u7684\u8def\u7531\uff0c\u6839\u636e\u81ea\u8eab\u4e1a\u52a1\u60c5\u51b5\u8fdb\u884c\u8def\u7531\u9009\u62e9\u3002<\/li>\n<li>\u65f6\u523b\u5173\u6ce8\u5bf9\u7aefAS\u5bf9\u7f51\u7edc\u7684\u64cd\u4f5c\uff0c\u9632\u6b62\u56e0\u5bf9\u7aef\u8bef\u64cd\u4f5c\u800c\u5bf9\u672c\u7f51\u9020\u6210\u5371\u5bb3\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u4f18\u5316BGP\u80fd\u529b\n<ul>\n<li>\u5efa\u7acb\u5bf9\u7b49\u4f53\u4f1a\u8bdd<\/li>\n<li>\u8def\u7531\u66f4\u65b0\u8d77\u6e90<\/li>\n<li>\u4f18\u5316\u8def\u7531\u7b56\u7565<\/li>\n<li>\u8def\u7531\u8fc7\u6ee4\u548c\u5c5e\u6027\u63a7\u5236<\/li>\n<li>\u8def\u7531\u805a\u5408<\/li>\n<\/ul>\n<\/li>\n<li>\u63d0\u9ad8BGP\u53ef\u7528\u6027\n<ul>\n<li>\u5197\u4f59<\/li>\n<li>\u6d41\u91cf\u5bf9\u79f0<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861<\/li>\n<\/ul>\n<\/li>\n<li>\u63a7\u5236AS\u5185\u90e8\u8def\u7531\n<ul>\n<li>\u975eBGP\u8def\u7531\u4e0eBGP\u8def\u7531\u4e4b\u95f4\u7684\u4ea4\u4e92\n<ul>\n<li>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cIGP\u4e0eBGP\u4f1a\u6709\u8def\u7531\u7684\u5f15\u5165\uff0c\u5e94\u91c7\u7528\u5408\u7406\u7684\u8fc7\u6ee4\u7b56\u7565\uff0c\u4f7f\u5408\u9002\u7684\u8def\u7531\u5728IGP\u4e0eBGP\u4e4b\u95f4\u4e92\u76f8\u5f15\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9ed8\u8ba4\u8def\u7531\n<ul>\n<li>\u5bf9\u4e8e\u9ed8\u8ba4\u8def\u7531\u7684\u53d1\u653e\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b56\u7565\u4f7f\u9ed8\u8ba4\u8def\u7531\u6839\u636e\u67d0\u4e9b\u5177\u4f53\u6761\u4ef6\u6765\u4e0b\u53d1\u9ed8\u8ba4\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7b56\u7565\u8def\u7531\n<ul>\n<li>\u901a\u8fc7\u7b56\u7565\u8def\u7531\u6765\u4f18\u5316\u6d41\u91cf\u8def\u5f84\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u63a7\u5236\u5927\u578bAS\n<ul>\n<li>BGP\u6309\u7ec4\u6253\u5305<\/li>\n<li>\u8def\u7531\u53cd\u5c04\u5668<\/li>\n<li>\u8054\u76df<\/li>\n<\/ul>\n<\/li>\n<li>\u8bbe\u8ba1\u7a33\u5b9a\u7684Internet\n<ul>\n<li>\u51cf\u5c11\u4e0d\u7a33\u5b9a\u8def\u7531\u7684\u4ea7\u751f<\/li>\n<li>\u63d0\u5347BGP\u7a33\u5b9a\u6027<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u9ad8\u7ea7\u914d\u7f6e\n<ul>\n<li>\u914d\u7f6e\u5bf9\u7b49\u4f53\u7ec4\n<ul>\n<li>\u914d\u7f6e\u9700\u6c42\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5e95\u5c42IGP\u534f\u8bae\u5df2\u7ecf\u90e8\u7f72\u5b8c\u6210\uff0c\u6240\u6709\u8bbe\u5907\u5747\u5904\u4e8eOSPF\u9aa8\u5e72\u533a\u57df\u4e2d\uff1b<\/li>\n<li>R4\u3001R5\u3001R6\u4e4b\u95f4\u4f7f\u7528loopback\u63a5\u53e3\u5efa\u7acbEBGP\u90bb\u5c45\u5173\u7cfb\uff0c\u8981\u6c42R4\u7684\u914d\u7f6e\u65b9\u5f0f\u80fd\u591f\u5c3d\u91cf\u8282\u7ea6\u8d44\u6e90\u3002<\/li>\n<li>\u6848\u4f8b\u63cf\u8ff0\n<ul>\n<li>\u672c\u6848\u4f8b\u4e2d\u8bbe\u5907\u4e92\u8054\u5730\u5740\u89c4\u5219\u5982RX\u4e0eRY\u4e92\u8054\uff0c\u5219\u4e92\u8054\u5730\u5740\u4e3aXY.1.1.X\u4e0eXY.1.1.Y\uff0c\u63a9\u7801\u957f\u5ea6\u4e3a24\u4f4d\u3002<\/li>\n<li>OSPF\u548cOSPFv3\u5df2\u7ecf\u8fd0\u884c\u6b63\u5e38\uff0c\u4e14\u8bbe\u5907\u4e92\u8054\u5730\u5740\u548c\u73af\u56de\u53e3\u5730\u5740\u5df2\u7ecf\u5ba3\u544a\u8fdb\u4e86OSPF\u6216OSPFv3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6848\u4f8b\u5206\u6790\n<ul>\n<li>EBGP\u90bb\u5c45\u4e4b\u95f4\u4f7f\u7528\u73af\u56de\u53e3\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\u547d\u4ee4\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>peer as-number\u547d\u4ee4\u7528\u6765\u914d\u7f6e\u6307\u5b9a\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u7684\u5bf9\u7aefAS\u53f7\u3002<\/li>\n<li>peer connect-interface\u547d\u4ee4\u7528\u6765\u6307\u5b9a\u53d1\u9001BGP\u62a5\u6587\u7684\u6e90\u63a5\u53e3\uff0c\u5e76\u53ef\u6307\u5b9a\u53d1\u8d77\u8fde\u63a5\u65f6\u4f7f\u7528\u7684\u6e90\u5730\u5740\u3002<\/li>\n<li>peer next-hop-local\u547d\u4ee4\u7528\u6765\u8bbe\u7f6e\u5411IBGP\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u901a\u544a\u8def\u7531\u65f6\uff0c\u628a\u4e0b\u4e00\u8df3\u5c5e\u6027\u8bbe\u4e3a\u81ea\u8eab\u7684IP\u5730\u5740\u3002<\/li>\n<li>group\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u5bf9\u7b49\u4f53\u7ec4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>\u4e0a\u8ff0\u547d\u4ee4\u5747\u4e3aBGP\u8fdb\u7a0b\u89c6\u56fe\u4e0b\u7684\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>peer\u00a0ipv4-address\u00a0\u00a0as-number\u00a0as-number\n<ul>\n<li>ip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>as-number\uff1a\u5bf9\u7b49\u4f53\u7684\u5bf9\u7aefAS\u53f7\u3002<\/li>\n<li>peer\u00a0ipv4-address\u00a0\u00a0connect-interface\u00a0interface-type\u00a0interface-number\u00a0[\u00a0ipv4-source-address\u00a0]<\/li>\n<li>ip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>interface-type\u00a0interface-number\uff1a\u63a5\u53e3\u7c7b\u578b\u548c\u63a5\u53e3\u53f7\u3002<\/li>\n<li>ipv4-source-address\uff1a\u5efa\u7acb\u8fde\u63a5\u65f6\u7684IPv4\u6e90\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>peer\u00a0ipv4-address\u00a0\u00a0next-hop-local\n<ul>\n<li>nip-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<li>group\u00a0group-name\u00a0[\u00a0external\u00a0|\u00a0internal\u00a0]\n<ul>\n<li>group-name:\u5bf9\u7b49\u4f53\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>external:\u521b\u5efaEBGP\u5bf9\u7b49\u4f53\u7ec4\u3002<\/li>\n<li>internal:\u521b\u5efaIBGP\u5bf9\u7b49\u4f53\u7ec4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>\u5728\u4f7f\u7528Loopback\u63a5\u53e3\u4f5c\u4e3aBGP\u62a5\u6587\u7684\u6e90\u63a5\u53e3\u65f6\uff0c\u5fc5\u987b\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/li>\n<li>\u786e\u8ba4BGP\u5bf9\u7b49\u4f53\u7684Loopback\u63a5\u53e3\u7684\u5730\u5740\u662f\u53ef\u8fbe\u7684\u3002<\/li>\n<li>\u5982\u679c\u662fEBGP\u8fde\u63a5\uff0c\u8fd8\u8981\u914d\u7f6epeerebgp-max-hop\u547d\u4ee4\uff0c\u5141\u8bb8EBGP\u901a\u8fc7\u975e\u76f4\u8fde\u65b9\u5f0f\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb\u3002<\/li>\n<li>peer next-hop-local\u548cpeernext-hop-invariable\u662f\u4e24\u6761\u4e92\u65a5\u547d\u4ee4\u3002<\/li>\n<li>Display bgp peer\u4e2d\u7684Rec\u8868\u793a\u672c\u7aef\u4ece\u5bf9\u7b49\u4f53\u4e0a\u6536\u5230\u8def\u7531\u524d\u7f00\u7684\u6570\u76ee\u3002<\/li>\n<li>IPv6\u7684\u914d\u7f6e\u4e0eIPv4\u914d\u7f6e\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u81ea\u52a8\u805a\u5408\u548c\u7f3a\u7701\u8def\u7531\n<ul>\n<li>\u9700\u6c42\u5982\u4e0b\n<ul>\n<li>\u5bf9AS 300\u8fdb\u884c\u8def\u5f84\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5c06\u7f51\u7edc16.X.0\/24\u5f15\u5165\u5230BGP\u4e2d\uff0c\u5e76\u505a\u81ea\u52a8\u6c47\u603b\uff1b<\/li>\n<li>\u5f53R4\u4e0a\u5b58\u5728172.16.0.0\/16\u8def\u7531\u7684\u65f6\u5019\uff0c\u9700\u8981\u5f80AS300\u4e0b\u53d1\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<li>\u6848\u4f8b\u63cf\u8ff0\n<ul>\n<li>\u672c\u6848\u4f8b\u4e2d\u7684\u9700\u6c42\u662f\u5bf9\u4e4b\u524d\u6848\u4f8b\u7684\u6269\u5c55\uff0c\u5728\u539f\u6848\u4f8b\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<li>\u9700\u6c422\u4e2d\uff0c\u8981\u6c42\u7f3a\u7701\u8def\u7531\u7684\u4e0b\u53d1\u9700\u8981\u5173\u8054\u8def\u7531172.16.0.0\/16\uff0c\u5982\u679c172.16.0.0\/16\u6d88\u5931\uff0c\u8be5\u7f3a\u7701\u8def\u7531\u4e5f\u6d88\u5931\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\u547d\u4ee4\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\n<ul>\n<li>peer route-policy\u547d\u4ee4\u7528\u6765\u5bf9\u6765\u81ea\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u7684\u8def\u7531\u6216\u5411\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u53d1\u5e03\u7684\u8def\u7531\u6307\u5b9aRoute-Policy\uff0c\u5bf9\u63a5\u6536\u6216\u53d1\u5e03\u7684\u8def\u7531\u8fdb\u884c\u63a7\u5236\u3002<\/li>\n<li>peer default-route-advertise\u547d\u4ee4\u7528\u6765\u8bbe\u7f6e\u7ed9\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u53d1\u5e03\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>peer route-policy\u547d\u4ee4\u4e3aBGP\u89c6\u56fe\u547d\u4ee4<\/li>\n<li>peer default-route-advertise\u547d\u4ee4BGP\u89c6\u56fe\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>peer\u00a0\u00a0ipv4-address\u00a0\u00a0route-policy\u00a0route-policy-name\u00a0{\u00a0import\u00a0|\u00a0export\u00a0}\n<ul>\n<li>ipv4-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>route-policy-name\uff1aRoute-Policy\u7684\u540d\u79f0\u3002<\/li>\n<li>import\uff1a\u5bf9\u4ece\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u6765\u7684\u8def\u7531\u5e94\u7528Route-Policy\u3002<\/li>\n<li>export\uff1a\u5bf9\u5411\u5bf9\u7b49\u4f53\uff08\u7ec4\uff09\u53d1\u5e03\u7684\u8def\u7531\u5e94\u7528Route-Policy\u3002<\/li>\n<\/ul>\n<\/li>\n<li>peer\u00a0{\u00a0group-name\u00a0|\u00a0ipv4-address\u00a0}\u00a0default-route-advertise\u00a0[\u00a0route-policy\u00a0route-policy-name\u00a0][\u00a0conditional-route-match-all{\u00a0ipv4-address1\u00a0{\u00a0mask1\u00a0|\u00a0mask-length1\u00a0}} &amp;&lt;1-4&gt;|\u00a0conditional-route-match-any\u00a0{\u00a0ipv4-address2\u00a0{\u00a0mask2\u00a0|\u00a0mask-length2\u00a0}} &amp;&lt;1-4&gt; ]\n<ul>\n<li>ipv4-address\uff1a\u5bf9\u7b49\u4f53\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>route-policy\u00a0route-policy-name\uff1a\u6307\u5b9aRoute-Policy\u540d\u79f0\u3002<\/li>\n<li>conditional-route-match-all\u00a0ipv4-address1{\u00a0mask1\u00a0|\u00a0mask-length1\u00a0}\uff1a\u6307\u5b9a\u6761\u4ef6\u8def\u7531\u7684IPv4\u5730\u5740\uff0c\u4ee5\u53ca\u63a9\u7801\/\u63a9\u7801\u957f\u5ea6\u3002\u5339\u914d\u6240\u6709\u6761\u4ef6\u8def\u7531\u5219\u53d1\u9001\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<li>conditional-route-match-any\u00a0ipv4-address2{\u00a0mask2\u00a0|\u00a0mask-length2\u00a0}\uff1a\u6307\u5b9a\u6761\u4ef6\u8def\u7531\u7684IPv4\u5730\u5740\uff0c\u4ee5\u53ca\u63a9\u7801\/\u63a9\u7801\u957f\u5ea6\u3002\u5339\u914d\u4efb\u4e00\u6761\u4ef6\u8def\u7531\u5219\u53d1\u9001\u7f3a\u7701\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u9a8c\u73b0\u8c61\n<ul>\n<li>\u6211\u4eec\u901a\u8fc7\u547d\u4ee4display ip routing-table\u547d\u4ee4\u7528\u6765\u663e\u793a\u8def\u7531\u8868\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6eBGP\u624b\u52a8\u805a\u5408\n<ul>\n<li>\u9700\u6c42\u5982\u4e0b\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5728R1\u4e0a\u5f15\u5165\u7f51\u7edc10.0.X.0\/24\u540c\u65f6\u5c06\u5176community\u6807\u8bb0\u4e3a200:200\uff1b<\/li>\n<li>\u5728R1\u4e0a\u5bf9community\u6807\u8bb0200:200\u5bf9\u8def\u7531\u8fdb\u884c\u624b\u5de5\u805a\u5408\uff0c\u805a\u5408\u540e\u8def\u7531\u63a9\u7801\u4e3a\/23\uff0c\u5e76\u6291\u5236\u660e\u7ec6\u8def\u7531\uff0c\u9700\u5145\u5206\u8003\u8651\u73af\u8def\u907f\u514d\u3002<\/li>\n<li>\u5728R4\u4e0a\u5bf92010::x:0:0\/96\u7f51\u6bb5\u8fdb\u884c\u805a\u5408\uff0c\u805a\u5408\u540e\u63a9\u7801\u4e3a94\u3002<\/li>\n<li>\u6848\u4f8b\u63cf\u8ff0\n<ul>\n<li>\u672c\u6848\u4f8b\u4e2d\u7684\u9700\u6c42\u662f\u5bf9\u4e4b\u524d\u6848\u4f8b\u7684\u6269\u5c55\uff0c\u5728\u539f\u6848\u4f8b\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\u547d\u4ee4\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u547d\u4ee4\u542b\u4e49\uff1a\n<ul>\n<li>aggregate\u547d\u4ee4\u7528\u6765\u5728BGP\u8def\u7531\u8868\u4e2d\u521b\u5efa\u4e00\u6761\u805a\u5408\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5177\u4f53\u7528\u6cd5\n<ul>\n<li>\u547d\u4ee4aggregate\u4e3aBGP\u89c6\u56fe\u547d\u4ee4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53c2\u6570\u610f\u4e49\n<ul>\n<li>aggregate\u00a0ipv4-address\u00a0{\u00a0mask\u00a0|\u00a0mask-length\u00a0}[\u00a0as-set\u00a0|\u00a0attribute-policy\u00a0route-policy-name1\u00a0|\u00a0detail-suppressed\u00a0|\u00a0origin-policy\u00a0route-policy-name2\u00a0|\u00a0suppress-policyroute-policy-name3\u00a0]\u00a0*\n<ul>\n<li>ipv4-address\uff1a\u6307\u5b9a\u805a\u5408\u8def\u7531\u7684IPv4\u5730\u5740\u3002<\/li>\n<li>mask\uff1a\u4ec5IBGP\u8def\u7531\u53c2\u4e0e\u8d1f\u8f7d\u5206\u62c5\u3002<\/li>\n<li>mask-length\uff1a\u6307\u5b9a\u805a\u5408\u8def\u7531\u7684\u7f51\u7edc\u63a9\u7801\u957f\u5ea6\u3002<\/li>\n<li>as-set\uff1a\u6307\u5b9a\u751f\u6210\u5177\u6709AS-SET\u7684\u8def\u7531\u3002<\/li>\n<li>attribute-policy\u00a0route-policy-name1\uff1a\u6307\u5b9a\u805a\u5408\u540e\u8def\u7531\u7684\u5c5e\u6027\u7b56\u7565\u540d\u79f0\u3002<\/li>\n<li>detail-suppressed\uff1a\u6307\u5b9a\u4ec5\u901a\u544a\u805a\u5408\u8def\u7531\u3002<\/li>\n<li>origin-policy\u00a0route-policy-name2\uff1a\u6307\u5b9a\u5141\u8bb8\u751f\u6210\u805a\u5408\u8def\u7531\u7684\u7b56\u7565\u540d\u79f0\u3002<\/li>\n<li>suppress-policy\u00a0route-policy-name3\uff1a\u6307\u5b9a\u6291\u5236\u6307\u5b9a\u8def\u7531\u901a\u544a\u7684\u7b56\u7565\u540d\u79f0\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f\u4e8b\u9879\n<ul>\n<li>\u624b\u5de5\u805a\u5408\u548c\u81ea\u52a8\u805a\u5408\u672c\u5730\u5747\u4f1a\u4ea7\u751f\u6307\u5411NULL0\u7684\u8def\u7531\u3002<\/li>\n<li>IPv6\u7684\u914d\u7f6e\u4e0eIPv4\u914d\u7f6e\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u9a8c\u7ed3\u679c\n<ul>\n<li>\u547d\u4ee4displayiprouting-table protocol bgp\u53ef\u4ee5\u67e5\u770bBGP\u5b66\u5230\u7684\u8def\u7531\u3002<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u6545\u969c\u8bca\u65ad\u53ca\u6392\u9664\n<ul>\n<li>\u6848\u4f8b\u4e00\n<ul>\n<li>\u9700\u6c42\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS100\u5185\u8fd0\u884cOSPF\uff0c\u6240\u6709\u8def\u7531\u5668\u5747\u5c5e\u4e8eAREA0 \uff0c\u76f4\u8fde\u8def\u7531\u5668\u4e4b\u95f4\u7528LOOPBACK0\u53e3\u5efa\u7acbIBGP\uff0c\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11BGP\u8fde\u63a5\u6570\uff1b<\/li>\n<li>R5\u548cR6\u7528LOOPBACK0\u53e3\u5efa\u7acbIBGP\u5173\u7cfb\uff0cR5\u4e0eR3\/R4\u7528\u76f4\u8fde\u53e3\u5efa\u7acbEBGP\u90bb\u5c45\u5173\u7cfb\uff0c\u7528LOOPBACK0 \u53e3\u548cR7\u5efa\u7acbEBGP\u90bb\u5c45\u5173\u7cfb\uff1b<\/li>\n<li>R1\u76f4\u8fde192.168.0.0\/24\uff0cR2\u76f4\u8fde192.168.1.0\/24\uff0cR7\u76f4\u8fde192.168.2.0\/23\uff0c\u8981\u6c42\u8fd9\u4e09\u4e2a\u7f51\u6bb5\u80fd\u4e92\u8bbf\uff0c\u4e14R6\u4e0a\u7684\u8def\u7531\u6761\u76ee\u5c3d\u53ef\u80fd\u7684\u5c11\u3002<\/li>\n<li>\u62d3\u6251\u63cf\u8ff0\n<ul>\n<li>\u8def\u7531\u5668Rx\u548cRy\uff08X&lt;Y\uff09\u4e4b\u95f4\u7684\u63a5\u53e3\u7f51\u6bb5\u4e3a10.0.xy.0\/24\u7f51\u6bb5\uff0cRx\u5730\u5740=10.0.xy.x\u00a0\u00a0 Ry\u5730\u5740=10.0.xy.y\u3002<\/li>\n<li>\u6240\u6709\u63a5\u53e3\u5730\u5740\u5747\u5df2\u7ecf\u914d\u7f6e\u5b8c\u6210\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\n<ul>\n<li>AS 100\u5185\u8bbe\u5907\u7684\u914d\u7f6e\n<ul>\n<li>R1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R2<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R3<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS 200\u5185\u8bbe\u5907\u7684\u914d\u7f6e\n<ul>\n<li>R5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R6<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS 300\u5185\u8bbe\u5907\u7684\u914d\u7f6e\n<ul>\n<li>R7<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6545\u969c\n<ul>\n<li>\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\uff0c\u6240\u6709BGP\u90bb\u5c45\u5efa\u7acb\u6b63\u5e38\uff0c\u4f46\u662fAS100\u4e2d\u7684\u4e24\u4e2a\u7f51\u6bb5\u65e0\u6cd5\u8bbf\u95eeAS300\u4e2d\u7684\u7f51\u6bb5<\/li>\n<li>\u6545\u969c\u6392\u67e5\n<ul>\n<li>\u67e5\u770bR1\u3001R3\u548cR5\u7684\u8def\u7531\u8868<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u53ef\u4ee5\u770b\u5230\uff0c\u56e0\u4e3aAS_Set\u4e2d\u5305\u542b\u672c\u81ea\u6cbb\u7cfb\u7edf\u7684AS\u53f7\uff0c\u6240\u4ee5\u5bfc\u81f4\u65e0\u6cd5\u63a5\u53d7\u8fd9\u6761\u805a\u5408\u540e\u7684\u8def\u7531\uff0c\u53ef\u4ee5\u8003\u8651\u5173\u95ed\u660e\u7ec6\u6291\u5236\u6216\u53d6\u6d88AS_Set<\/li>\n<\/ul>\n<ul>\n<li>\u4fee\u6539\u540e\u7684R5\u914d\u7f6e<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u67e5\u770bR1\u548cR3\u7684\u8def\u7531\u8868<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6848\u4f8b\u603b\u7ed3\n<ul>\n<li>\u914d\u7f6e\u8def\u7531\u805a\u5408\u65f6\u9700\u8981\u8c28\u614e\uff0c\u805a\u5408\u914d\u7f6e\u4e0d\u5f53\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u95ee\u9898\uff1a\n<ul>\n<li>\u65e0\u6cd5\u5b66\u4e60\u5230\u6b63\u786e\u7684\u8def\u7531\uff1b<\/li>\n<li>\u53ef\u80fd\u5bfc\u81f4\u73af\u8def\u7684\u4ea7\u751f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6848\u4f8b\u4e8c\n<ul>\n<li>\u9700\u6c42\n<ul>\n<li><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>AS100\u5185\u8fd0\u884cOSPF\uff0c\u6240\u6709\u8def\u7531\u5668\u5747\u5c5e\u4e8eAREA0 \uff0c\u8def\u7531\u5668\u4e4b\u95f4\u7528loopback0\u53e3\u5efa\u7acbIBGP\u90bb\u5c45\u5173\u7cfb\uff0c\u5bf9\u7b49\u4f53\u5173\u7cfb\u5982\u56fe\u4e2d\u6807\u8bc6<\/li>\n<li>R7\u548cR5\u53caR6\u901a\u8fc7\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbEBGP\u90bb\u5c45\u5173\u7cfb\u3002<\/li>\n<li>\u4e3a\u4e86\u6240\u6709\u8def\u7531\u5668\u80fd\u5b66\u4e60\u5230AS200\u7684\u8def\u7531\u5668\uff0c\u8bbe\u7f6eRR\u53cd\u5c04\u5668\uff0cR5\u4e3aR3\u7684client\uff0cR6\u4e3aR4\u7684client<\/li>\n<li>\u62d3\u6251\u8bf4\u660e\n<ul>\n<li>\u8def\u7531\u5668Rx\u548cRy\uff08X&lt;Y\uff09\u4e4b\u95f4\u7684\u63a5\u53e3\u7f51\u6bb5\u4e3a10.0.xy.0\/24\u7f51\u6bb5\uff0cRx\u5730\u5740=10.0.xy.x\u00a0\u00a0 Ry\u5730\u5740=10.0.xy.y\u3002<\/li>\n<li>\u6240\u6709\u63a5\u53e3\u5730\u5740\u5747\u5df2\u7ecf\u914d\u7f6e\u5b8c\u6210\u3002<\/li>\n<li>R5\u662fR3\u7684client\uff0c R6\u662fR4\u7684client\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u914d\u7f6e\n<ul>\n<li>R1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R4<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R6<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>R7<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u5176\u4ed6\u8bf4\u660e\n<ul>\n<li>\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\u6240\u6709BGP\u90bb\u5c45\u5173\u7cfb\u5efa\u7acb\u6b63\u5e38\uff0c\u4e14OSPF\u5b66\u4e60\u5230\u7684\u8def\u7531\u4e5f\u90fd\u5b8c\u6574\u3002<\/li>\n<li>R2\u4e0eR1\u914d\u7f6e\u7c7b\u4f3c\uff0cR3\u4e0eR4\u914d\u7f6e\u7c7b\u4f3c\uff0cR5\u4e0eR6\u914d\u7f6e\u7c7b\u4f3c\u3002<\/li>\n<li>\u5efa\u7acb\u5b8c\u6210\u4e4b\u540eR1\u901a\u544a\u76f4\u8fde\u7684192.168.1.0\/24\u8fdb\u5165BGP\uff0cR7\u901a\u544a\u76f4\u8fde\u7684192.168.2.0\/24\u8fdb\u5165BGP\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6545\u969c\n<ul>\n<li>\u6545\u969c\u5206\u6790\n<ul>\n<li>R7\u5411R5\u548cR6\u53d1\u9001192.168.2.0\/24\u524d\u7f00\u3002<\/li>\n<li>R5,R6\u6536\u5230\uff0c\u5206\u522b\u5411\u81ea\u5df1\u7684IBGP\u90bb\u5c45R3,R4\u53d1\u9001\u3002<\/li>\n<li>\u8fd9\u91cc\u5206\u6790R4\u7684\u60c5\u51b5\u3002R4\u6536\u5230\u540e\u4f1a\u6709\u4e00\u4e2a\u8def\u5f84\u51b3\u7b56\u8fc7\u7a0b\uff0c\u8fd9\u91ccR3\u4e5f\u4f1a\u5411\u5b83\u53d1\u9001192.168.2.0\/24\u7684\u524d\u7f00\uff0c\u6839\u636eBGP\u8def\u5f84\u51b3\u7b56\u768413\u4e2a\u539f\u5219\uff0cR4\u6700\u603b\u9009\u62e9IGP\u5ea6\u91cf\u503c\u6700\u5c0f\u7684\uff0c\u5373\u9009\u62e9R6\u4f5c\u4e3a\u4e0b\u4e00\u8df3\u3002\u7136\u540e\u5b83\u5c06\u8fd9\u4e2a\u6700\u4f73\u8def\u5f84\u53d1\u5f80R3\u548cR1\u3002<\/li>\n<li>\u540c\u7406\uff0cR3\u6700\u603b\u9009\u62e9\u7684\u4e0b\u4e00\u8df3\u662fR5\u3002<\/li>\n<li>\u5173\u952e\u5728\u4e8eR1\u548cR2\u3002\u56e0\u4e3aR1\u53ea\u80fd\u6536\u5230R4\u53d1\u6765\u7684\u66f4\u65b0\uff0c\u6240\u4ee5\uff0c\u5b83\u53bb\u5f80192.168.1.0\/24\u7684\u4e0b\u4e00\u8df3\u4e5f\u662fR4\uff1b\u540c\u7406R2\u53bb\u5f80192.168.1.0\/24\u7684\u4e0b\u4e00\u8df3\u662fR5\u3002<\/li>\n<li>\u7ecf\u8fc7IGP\u8def\u7531\u7684\u9012\u5f52\u67e5\u8be2\uff0c\u4ece192.168.1.1\u5230192.168.2.1\u7684\u6570\u636e\u5305\u4f1a\u5728R1\u548cR2\u4e4b\u95f4\u6765\u56de\u8f6c\u53d1\uff0c\u76f4\u5230IP\u62a5\u6587\u7684TTL\u88ab\u51cf\u81f30\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6545\u969c\u6392\u67e5\n<ul>\n<li>\u67e5\u770bR1\u4e0eR7\u8def\u7531\u8868\u9879<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>[R1]ping -a 192.168.1.1 192.168.2.1<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u67e5\u770bR1\u4e0eR2\u8def\u7531\u8868\u9879<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u6848\u4f8b\u603b\u7ed3\n<ul>\n<li>\u914d\u7f6eRR\u65f6\uff0c\u5e94\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\uff1a\n<ul>\n<li>\u4e0d\u8981\u8de8\u8d8a\u975e\u5ba2\u6237\u7aef\u5efa\u7acb\u5ba2\u6237\u7aef<\/li>\n<li>\u4e0d\u8981\u8de8\u8d8a\u5ba2\u6237\u7aef\u5efa\u7acb\u975e\u5ba2\u6237\u7aef\u5bf9\u7b49\u4f53<\/li>\n<li>\u5ba2\u6237\u7aef\u4e0e\u975e\u5ba2\u6237\u7aef\u4e4b\u95f4\u4e0d\u8981\u5efa\u7acbIBGP\u4f1a\u8bdd<\/li>\n<\/ul>\n<\/li>\n<li>\u601d\u8003\u9898\n<ul>\n<li>BGP\u5728OPEN\u62a5\u6587\u4e2d\u534f\u5546\u5730\u5740\u65cf\u652f\u6301\u60c5\u51b5\uff08 A \uff09\n<ul>\n<li>T<\/li>\n<li>F<\/li>\n<\/ul>\n<\/li>\n<li>AS_Path\u957f\u5ea6\u76f8\u540c\uff0c\u4f46\u662f\u987a\u5e8f\u4e0d\u540c\uff0c\u4e0d\u4f1a\u5f71\u54cd\u8d1f\u8f7d\u5206\u62c5\u7684\u5efa\u7acb\uff08\u00a0B \uff09\n<ul>\n<li>T<\/li>\n<li>F<\/li>\n<\/ul>\n<\/li>\n<li>RR\u5728\u53cd\u5c04\u4eceIBGP\u53d1\u6765\u7684\u8def\u7531\u4fe1\u606f\u65f6\uff0c\u4e0d\u5141\u8bb8\u4fee\u6539\u5176\u4e2d\u4efb\u4f55\u7684\u5c5e\u6027\u3002(\u00a0\u00a0A\u00a0\u00a0)\n<ul>\n<li>T<\/li>\n<li>F<\/li>\n<\/ul>\n<\/li>\n<li>\u7b80\u8981\u8bf4\u660e\u4e00\u4e0b\u8def\u7531\u805a\u5408\u7684\u5206\u7c7b\u4ee5\u53ca\u6ce8\u610f\u4e8b\u9879\u7b49\u3002\n<ul>\n<li>\u8def\u7531\u805a\u5408\u5206\u4e3a\u81ea\u52a8\u805a\u5408\u548c\u624b\u5de5\u805a\u5408<\/li>\n<li>\u81ea\u52a8\u805a\u5408\uff1a\u53ea\u80fd\u805a\u5408\u901a\u8fc7import\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\uff0c\u53ea\u80fd\u6309\u7167\u81ea\u7136\u63a9\u7801\u8fdb\u884c\u805a\u5408\uff0cIPv6\u4e0d\u652f\u6301\u81ea\u52a8\u805a\u5408\u3002<\/li>\n<li>\u624b\u5de5\u805a\u5408\uff1aIPv4\u4e0eIPv6\u8def\u7531\u5747\u80fd\u805a\u5408\uff0c\u53ef\u8bbe\u7f6e\u660e\u7ec6\u8def\u7531\u6291\u5236\uff0c\u6dfb\u52a0AS_set\u7b49\u529f\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3\n<ul>\n<li>BGP Basic\n<ul>\n<li>BGP4 &amp; BGP4+\u539f\u7406\n<ul>\n<li>BGP\u57fa\u672c\u539f\u7406<\/li>\n<li>BGP\u5c5e\u6027\u53ca\u5176\u7279\u70b9<\/li>\n<li>BGP 4 + \u539f\u7406\u53ca\u5176\u65b0\u589e\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>BGP 4&amp;BGP 4 + \u914d\u7f6e\n<ul>\n<li>\u534e\u4e3a\u8bbe\u5907\u4e0a\u7684\u914d\u7f6e\u547d\u4ee4\u719f\u6089<\/li>\n<li>\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u914d\u7f6e\u9009\u62e9<\/li>\n<\/ul>\n<\/li>\n<li>BGP \u6545\u969c\u6392\u67e5\n<ul>\n<li>BGP\u6392\u67e5\u601d\u8def<\/li>\n<\/ul>\n<\/li>\n<li>BGP Advance&amp;Internet\n<ul>\n<li>BGP\u5927\u89c4\u6a21\u5e94\u7528\u65f6\u7684\u90e8\u7f72\u65b9\u6848\n<ul>\n<li>\u8def\u7531\u805a\u5408<\/li>\n<li>\u5bf9\u7b49\u4f53\u7ec4<\/li>\n<li>\u53cd\u5c04\u5668<\/li>\n<li>\u8054\u90a6<\/li>\n<li>\u56e2\u4f53\u5c5e\u6027<\/li>\n<\/ul>\n<\/li>\n<li>Internet\u8bbe\u8ba1\u7406\u5ff5\n<ul>\n<li>\u4ec0\u4e48\u6837\u7684\u7f51\u7edc\u9700\u8981\u90e8\u7f72BGP<\/li>\n<li>BGP\u7684\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n<li>BGP\u5178\u578b\u914d\u7f6e\u53ca\u6545\u969c\u6392\u9664<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>BGP \u6982\u8ff0 \u524d\u8a00 BGP&amp;BGP4+ Basic \u4e3a\u4e86\u6ee1\u8db3\u5927\u89c4\u6a21\u8def\u7531\u7684 &hellip; <a href=\"http:\/\/www.daimuya.cn:3389\/index.php\/2024\/09\/26\/datacom-bgp\/\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,9],"tags":[],"class_list":["post-655","post","type-post","status-publish","format-standard","hentry","category-ict","category-9"],"_links":{"self":[{"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/posts\/655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/comments?post=655"}],"version-history":[{"count":1,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/posts\/655\/revisions"}],"predecessor-version":[{"id":656,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/posts\/655\/revisions\/656"}],"wp:attachment":[{"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/media?parent=655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/categories?post=655"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.daimuya.cn:3389\/index.php\/wp-json\/wp\/v2\/tags?post=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}