{"id":479,"date":"2025-06-30T11:05:15","date_gmt":"2025-06-30T03:05:15","guid":{"rendered":"https:\/\/www.htmacg.cn\/?p=479"},"modified":"2025-06-30T11:05:15","modified_gmt":"2025-06-30T03:05:15","slug":"%e5%8d%8e%e4%b8%ba%e6%a8%a1%e6%8b%9f%e5%99%a8-bfd-%e8%81%94%e5%8a%a8-ospf-%e9%85%8d%e7%bd%ae%e5%85%a8%e6%94%bb%e7%95%a5%ef%bc%9a%e4%bb%8e%e5%8e%9f%e7%90%86%e5%88%b0%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/htmacg.cn\/?p=479","title":{"rendered":"\u534e\u4e3a\u6a21\u62df\u5668 BFD \u8054\u52a8 OSPF \u914d\u7f6e\u5168\u653b\u7565\uff1a\u4ece\u539f\u7406\u5230\u5b9e\u6218"},"content":{"rendered":"<h2 class=\"header-ZWWO7s auto-hide-last-sibling-br\">\u4e00\u3001BFD \u6280\u672f\u6838\u5fc3\u4ef7\u503c\uff1a\u7a81\u7834\u4f20\u7edf\u68c0\u6d4b\u74f6\u9888<\/h2>\n<p><span style=\"font-size: 16px;\">\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\uff0c\u8def\u7531\u534f\u8bae\u7684\u5feb\u901f\u6536\u655b\u80fd\u529b\u76f4\u63a5\u5f71\u54cd\u4e1a\u52a1\u8fde\u7eed\u6027\u3002BFD\uff08Bidirectional Forwarding Detection\uff09\u4f5c\u4e3a\u4e00\u79cd\u6beb\u79d2\u7ea7\u94fe\u8def\u68c0\u6d4b\u673a\u5236\uff0c\u4e0e OSPF \u8def\u7531\u534f\u8bae\u8054\u52a8\u540e\uff0c\u53ef\u5c06\u4f20\u7edf OSPF \u7684\u6536\u655b\u65f6\u95f4\u4ece\u79d2\u7ea7\u7f29\u77ed\u81f3\u6beb\u79d2\u7ea7\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u91d1\u878d\u3001\u533b\u7597\u7b49\u5bf9\u7f51\u7edc\u53ef\u9760\u6027\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f\u3002<\/span><\/p>\n<p><strong><b>\u6838\u5fc3\u4f18\u52bf\u89e3\u6790<\/b><\/strong>\uff1a<\/p>\n<ul>\n<li><b><\/b><strong><b>\u6545\u969c\u68c0\u6d4b\u63d0\u901f<\/b><\/strong>\uff1aBFD \u901a\u8fc7\u72ec\u7acb\u4e8e OSPF \u7684 hello \u62a5\u6587\u673a\u5236\uff0c\u5b9e\u73b0 100ms \u7ea7\u94fe\u8def\u72b6\u6001\u611f\u77e5<\/li>\n<li><b><\/b><strong><b>\u8d44\u6e90\u8f7b\u91cf\u5360\u7528<\/b><\/strong>\uff1a\u91c7\u7528 UDP \u8f7b\u91cf\u7ea7\u534f\u8bae\u5c01\u88c5\uff0c\u5bf9\u8bbe\u5907 CPU \/ \u5185\u5b58\u6d88\u8017\u6781\u4f4e<\/li>\n<li><b><\/b><strong><b>\u534f\u8bae\u517c\u5bb9\u6027\u5f3a<\/b><\/strong>\uff1a\u652f\u6301\u4e0e OSPFv2\/v3\u3001\u9759\u6001\u8def\u7531\u7b49\u591a\u79cd\u8f6c\u53d1\u534f\u8bae\u8054\u52a8<\/li>\n<\/ul>\n<h2><strong><b>\u4e8c\u3001\u5b9e\u9a8c\u73af\u5883\u642d\u5efa\u4e0e\u62d3\u6251\u8bbe\u8ba1<\/b><\/strong><\/h2>\n<h3><strong><b>\uff08\u4e00\uff09\u786c\u4ef6 \/ \u8f6f\u4ef6\u51c6\u5907<\/b><\/strong><\/h3>\n<p>\u4e09\u53f0AR3260\u8def\u7531\u5668<\/p>\n<p>\u62d3\u6251\u793a\u4f8b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.htmacg.cn\/system\/2025\/06\/30\/6861fdaa1e18c.png\" \/><\/p>\n<p><strong><b>\u62d3\u6251\u5173\u952e\u70b9<\/b><\/strong>\uff1a<\/p>\n<ol>\n<li>\u4e09\u53f0\u8bbe\u5907\u5f62\u6210\u5168\u4e92\u8054\u62d3\u6251\uff0c\u6a21\u62df\u4f01\u4e1a\u6838\u5fc3\u5c42\u67b6\u6784<\/li>\n<li>\u6240\u6709\u4e92\u8054\u63a5\u53e3\u914d\u7f6e\u4e3a1.1.0\/24\u300110.1.2.0\/24\u300110.1.3.0\/24 \u7f51\u6bb5<\/li>\n<\/ol>\n<h2><strong><b>\u4e09\u3001\u5206\u6b65\u914d\u7f6e\u6307\u5357\uff08\u542b\u547d\u4ee4\u89e3\u6790\uff09<\/b><\/strong><\/h2>\n<pre>&lt;Huawei&gt;\u00a0system-view \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0# \u8fdb\u5165\u7cfb\u7edf\u89c6\u56fe\n\n[Huawei]\u00a0bfd \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0# \u5168\u5c40\u542f\u7528BFD\u670d\u52a1<\/pre>\n<p><strong><b>\u914d\u7f6e\u8bf4\u660e<\/b><\/strong>\uff1aBFD \u670d\u52a1\u9700\u5728\u6240\u6709\u53c2\u4e0e\u8054\u52a8\u7684\u8bbe\u5907\u4e0a\u5168\u5c40\u542f\u7528\uff0c\u5426\u5219\u65e0\u6cd5\u5efa\u7acb\u4f1a\u8bdd<\/p>\n<h3><strong><b>\uff08\u4e8c\uff09OSPF \u8fdb\u7a0b\u4e0e BFD \u8054\u52a8\u914d\u7f6e<\/b><\/strong><\/h3>\n<h4><strong><b>1. \u63a5\u53e3\u57fa\u7840\u914d\u7f6e\uff08\u4ee5 AR1 \u7684 GE0\/0\/1 \u4e3a\u4f8b\uff09<\/b><\/strong><\/h4>\n<pre>[Huawei]\u00a0interface GigabitEthernet0\/0\/1\n\n[Huawei-GigabitEthernet0\/0\/1]\u00a0ip\u00a0address 10.1.1.1 24\n\n[Huawei-GigabitEthernet0\/0\/1]\u00a0ospf enable\u00a01\u00a0area 0\u00a0\u00a0\u00a0# \u63a5\u53e3\u52a0\u5165OSPF\u8fdb\u7a0b1\u533a\u57df0\n\n[Huawei-GigabitEthernet0\/0\/1]\u00a0ospf bfd enable\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0# \u63a5\u53e3\u7ea7\u542f\u7528BFD\u68c0\u6d4b<\/pre>\n<h4><strong><b>2. \u8fdb\u7a0b\u7ea7\u6279\u91cf\u914d\u7f6e\uff08\u63a8\u8350\u65b9\u6848\uff09<\/b><\/strong><\/h4>\n<pre>[Huawei]\u00a0ospf 1\u00a0router-id 1.1.1.1 \u00a0\u00a0# \u521b\u5efaOSPF\u8fdb\u7a0b\u5e76\u6307\u5b9aRouter-ID\n\n[Huawei-ospf-1]\u00a0bfd all-interfaces enable\u00a0\u00a0# \u8fdb\u7a0b\u5185\u6240\u6709\u63a5\u53e3\u542f\u7528BFD\n\n[Huawei-ospf-1] area 0\n\n[Huawei-ospf-1-area-0.0.0.0]\u00a0network 10.1.1.0 0.0.0.255 \u00a0# \u5ba3\u544a\u7f51\u6bb5<\/pre>\n<h3><strong><b>\uff08\u4e09\uff09\u6027\u80fd\u4f18\u5316\u53c2\u6570\u914d\u7f6e<\/b><\/strong><\/h3>\n<pre>[Huawei-GigabitEthernet0\/0\/1]ospf bfd min-tx-interval 10\u00a0 \u00a0 #\u8bbe\u7f6e\u6700\u5c0f\u53d1\u9001\u95f4\u9694\u4e3a10ms\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f410-2000\uff09\n\n[Huawei-GigabitEthernet0\/0\/1]ospf bfd min-rx-interval 10\u00a0 \u00a0 #\u8bbe\u7f6e\u6700\u5c0f\u63a5\u6536\u95f4\u9694\u4e3a10ms\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f410-2000\uff09\n\n[Huawei-GigabitEthernet0\/0\/1] ospf bfd detect-multiplier 3\u00a0 \u00a0 \u00a0 \u00a0 #\u672c\u5730\u68c0\u6d4b\u65f6\u95f4\u500d\u6570\u4e3a3\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f43-50\uff09<\/pre>\n<p>\u6216\u8005\u76f4\u63a5\u4e00\u6761\u547d\u4ee4\u89e3\u51b3<\/p>\n<pre>[Huawei-GigabitEthernet0\/0\/1]ospf bfd min-tx-interval 10\u00a0 min-rx-interval 10 detect-multiplier 3\u00a0 \u00a0 \u00a0 \u00a0 #\u8bbe\u7f6e\u6700\u5c0f\u53d1\u9001\u95f4\u9694\u4e3a10ms\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f410-2000\uff09\uff0c\u8bbe\u7f6e\u6700\u5c0f\u63a5\u6536\u95f4\u9694\u4e3a10ms\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f410-2000\uff09\uff0c\u672c\u5730\u68c0\u6d4b\u65f6\u95f4\u500d\u6570\u4e3a3\uff08\u53ef\u8bbe\u7f6e\u7684\u8303\u56f43-50\uff09<\/pre>\n<h2><strong><b>\u56db\u3001\u72b6\u6001\u9a8c\u8bc1\u4e0e\u6545\u969c\u6392\u67e5<\/b><\/strong><\/h2>\n<h3><strong><b>\uff08\u4e00\uff09\u5173\u952e\u9a8c\u8bc1\u547d\u4ee4<\/b><\/strong><\/h3>\n<p><b><\/b><strong><b>1.BFD \u4f1a\u8bdd\u72b6\u6001\u67e5\u8be2<\/b><\/strong><\/p>\n<pre>[Huawei]\u00a0display bfd session all<\/pre>\n<p>\u8f93\u51fa\u793a\u4f8b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.htmacg.cn\/system\/2025\/06\/30\/6861fdb0df9c2.png\" \/><\/p>\n<p>State\u663e\u793aup\u5c31\u8bc1\u660eBFD\u68c0\u6d4b\u6210\u529f\u5efa\u7acb<\/p>\n<h3><strong><b>\uff08\u4e8c\uff09\u5e38\u89c1\u6545\u969c\u5904\u7406<\/b><\/strong><\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u6545\u969c\u73b0\u8c61<\/b><\/strong><\/td>\n<td><strong><b>\u53ef\u80fd\u539f\u56e0<\/b><\/strong><\/td>\n<td><strong><b>\u89e3\u51b3\u65b9\u6848<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>BFD \u4f1a\u8bdd Down<\/td>\n<td>\u63a5\u53e3 IP \u4e0d\u4e92\u901a<\/td>\n<td>\u68c0\u67e5\u4e09\u5c42\u8fde\u901a\u6027\uff08ping \u6d4b\u8bd5\uff09<\/td>\n<\/tr>\n<tr>\n<td>OSPF \u90bb\u5c45\u672a\u5efa\u7acb<\/td>\n<td>BFD \u53c2\u6570\u4e0d\u4e00\u81f4<\/td>\n<td>\u7edf\u4e00\u5404\u8bbe\u5907 min-tx\/rx-interval<\/td>\n<\/tr>\n<tr>\n<td>\u6536\u655b\u65f6\u95f4\u672a\u4f18\u5316<\/td>\n<td>\u672a\u542f\u7528 BFD \u8054\u52a8<\/td>\n<td>\u786e\u8ba4\u63a5\u53e3 \/ \u8fdb\u7a0b\u5df2\u914d\u7f6e bfd enable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001BFD \u6280\u672f\u6838\u5fc3\u4ef7\u503c\uff1a\u7a81\u7834\u4f20\u7edf\u68c0\u6d4b\u74f6\u9888 \u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\uff0c\u8def\u7531\u534f\u8bae\u7684\u5feb\u901f\u6536\u655b\u80fd\u529b\u76f4\u63a5\u5f71\u54cd\u4e1a\u52a1\u8fde\u7eed\u6027\u3002BFD\uff08Bidirectional Forwarding Detection\uff09\u4f5c\u4e3a\u4e00\u79cd\u6beb\u79d2\u7ea7\u94fe\u8def\u68c0\u6d4b\u673a\u5236\uff0c\u4e0e OSPF \u8def\u7531\u534f\u8bae\u8054\u52a8\u540e\uff0c\u53ef\u5c06\u4f20\u7edf OSPF 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