{"id":173,"date":"2022-09-28T10:25:28","date_gmt":"2022-09-28T02:25:28","guid":{"rendered":"https:\/\/blog.taiyang.space\/?p=173"},"modified":"2022-10-16T21:43:09","modified_gmt":"2022-10-16T13:43:09","slug":"ospf%e7%bd%91%e7%bb%9c%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/blog.taiyang.space\/?p=173","title":{"rendered":"ospf\u7f51\u7edc\u7c7b\u578b"},"content":{"rendered":"<h2>1.\u6982\u8ff0<\/h2>\n<h3>\u70b9\u5230\u70b9<\/h3>\n<p>\u5c06\u4e00\u5bf9\u8def\u7531\u5668\u8fde\u63a5\u8d77\u6765\u7684\u7f51\u7edc\uff0c<strong>\u4f7f\u7528\u7684\u662fPPP HDLC\u534f\u8bae\uff08Point to Point Protocol\uff09<\/strong><br \/>\n\u4f7f\u7528\u7ec4\u64ad224.0.0.5\u6765\u53d1\u9001\u5404\u79cd\u6570\u636e\u5305<br \/>\n<strong>\u6ca1\u6709DR\/BDR\u7684\u9009\u4e3e\uff0c\u76f4\u63a5\u5f62\u6210full\u90bb\u63a5\u5173\u7cfb\uff0c\u4e0d\u7528\u624b\u52a8\u6307\u90bb\u5c45<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGoPicGo1662519416872-f53eeb56-b2f1-4b67-8a6c-92c19645ca0c.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u5e7f\u64ad<\/h3>\n<p>\u591a\u8def\u8bbf\u95ee\u7f51\u7edc\uff0c\u5982\u4ee5\u592a\u7f51\uff0c\u9700\u8981DR\u548cBDR\u7684\u9009\u4e3e\uff0c\u4e0d\u7528\u624b\u52a8\u6307\u90bb\u5c45<\/p>\n<p>\u901a\u5e38\u4ee5\u7ec4\u64ad\u53d1\u9001HELLO\u62a5\u6587\uff0cLSU\u62a5\u6587\uff0c\u548cLSACK\u62a5\u6587\uff0c\u4ee5\u5355\u64ad\u5f62\u5f0f\u53d1\u9001DD\u548cLSR\u62a5\u6587<\/p>\n<p>DR\u548cBDR\u7ed9\u975e\u6307\u5b9a\u8def\u7531\u5668\u53d1\u9001\u6d88\u606f\u4f7f\u7528\u7684\u662f\u7ec4\u64ad224.0.0.5<\/p>\n<p>\u975e\u6307\u5b9a\u8def\u7531\u5668\u7ed9DR\u548cBDR\u53d1\u9001\u6d88\u606f\u4f7f\u7528\u7684\u662f\u7ec4\u64ad224.0.0.6<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGoPicGo1662519432130-47f2577c-0d9a-4816-bdc8-3eaa618a9fdf.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u975e\u5e7f\u64ad\u591a\u8def\u8bbf\u95ee<\/h3>\n<p>NBMA\uff0c Non-Broadcast Multiple Access<\/p>\n<p>\u8fde\u63a5\u7684\u8def\u7531\u5668\u8d85\u8fc7\u4e24\u53f0\u4f46\u662f\u6ca1\u6709\u5e7f\u64ad\u529f\u80fd\uff0c\u5e27\u4e2d\u7ee7\u7f51\u7edc\u548cATM\u7f51\u7edc<br \/>\n<strong>\u6240\u6709\u6570\u636e\u5305\u5747\u5355\u64ad\u53d1\u9001\uff0c\u6709DR\u7684\u9009\u4e3e\uff0c\u9700\u8981\u624b\u52a8\u6307\u5b9a\u90bb\u5c45<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGoPicGo1662519525801-60db99f3-959b-41a7-b46f-8bae2e08750d.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u70b9\u5230\u591a\u70b9<\/h3>\n<p>Hello\u5305\u4ee5\u7ec4\u64ad\u5f62\u5f0f\u53d1\u9001\uff0c\u5176\u4ed6\u7c7b\u578b\u6570\u636e\u5305\u7531\u5355\u64ad\u53d1\u9001<br \/>\n<strong>\u4e0d\u9009\u4e3eDR\uff0c\u4e0d\u7528\u624b\u52a8\u6307\u90bb\u5c45<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGoPicGo1662519801242-d014870f-34da-457a-acaf-ddcd8971b4ab.png\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h2>2. \u5b9e\u9a8c<\/h2>\n<h3>\u62d3\u6251\u56fe<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGoimage-20220928082721674.png\" referrerpolicy=\"no-referrer\" alt=\"image-20220928082721674\"><\/p>\n<p>&nbsp;<\/p>\n<p>ospf\u57fa\u7840\u914d\u7f6e\u5728<a href=\"https:\/\/blog.taiyang.space\/?p=136\">ospf\u7b80\u8ff0<\/a>\u8fd9\u7bc7\u6587\u7ae0\u63d0\u8fc7\uff0c\u8fd9\u91cc\u76f4\u63a5\u7565\u8fc7<\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u4e00 PPP\u7c7b\u578b<\/h3>\n<p>R1\u9ed8\u8ba4\u4e3appp\u7c7b\u578b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281112452.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u628aR1\u6539\u4e3aPTMP\u7c7b\u578b<\/p>\n<p>ip ospf network point-to-multipoint<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281112455.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u65f6\u5019\u518d\u770bhello \u65f6\u95f4\u548c dead \u65f6\u95f4<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281112462.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u628aR1\u6539\u4e3aPTMP\u975e\u5e7f\u64ad\u7c7b\u578b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281112454.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u518d\u770bhello time\u548cdead time<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281112467.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230PTMP\u5e7f\u64ad\u548cPTMP\u975e\u5e7f\u64adhello time \u548cdead time \u7684\u65f6\u95f4\u4e00\u6837<\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u4e8c PTMP\u975e\u5e7f\u64ad\u548cPPP\u662f\u5426\u80fdping\u901a<\/h3>\n<p>\u63a5\u5b9e\u9a8c\u4e00\uff0cR1\u662fPTMP\u975e\u5e7f\u64ad\u7c7b\u578b\uff0cR2\u662f\u9ed8\u8ba4\u7684PPP\u7c7b\u578b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281113545.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230ping R1\u7684loopback\u5730\u5740\u662fping\u4e0d\u901a\u7684\uff0c\u56e0\u4e3aNBMA\u9700\u8981\u6307\u5b9a\u90bb\u5c45 \u6ca1\u6709\u5b66\u4e60\u5230<\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u628aR1\u6539\u4e3aPPP\u7c7b\u578b\uff0c\u5e76\u4e14\u6539\u4e3a\u5e7f\u64ad\u7c7b\u578b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281113547.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u65f6\u5019\u518d\u7528R2 ping R1\u7684loopback\u53e3<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281113552.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u80fdping\u901a\u4e86<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u56e0\uff1a\u4e00\u8fb9\u662fNBMA\u9700\u8981\u6307\u5b9a\u90bb\u5c45\uff0c\u4e00\u8fb9\u662fPPP\uff0c\u4e0d\u9700\u8981\u6307\u5b9a\u90bb\u5c45\uff0c\u6240\u4ee5\u5b66\u4e60\u4e0d\u5230\u7f51\u7edc<\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u4e09 \u6307\u5b9a\u90bb\u5c45<\/h3>\n<p>\u628aR1 \u548cR2 \u90fd\u6539\u4e3a\u975e\u5e7f\u64ad\u7c7b\u578b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114522.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u7684\u90bb\u63a5\u5173\u7cfb\u4eceFULL to DOWN<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u65f6\u5019ping \u80af\u5b9aping\u4e0d\u901a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114526.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u6307\u5b9a\u90bb\u5c45<\/p>\n<p>R1\uff1a<img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114525.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>R2\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114534.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u8fd9\u8fb9\u8e29\u4e86\u4e00\u4e2a\u5c0f\u5751\uff1a\u6307\u5b9a\u90bb\u5c45\u4e0d\u662f\u8def\u7531\u5668\u7684router-ID \u800c\u662f\u63a5\u53e3\u5730\u5740<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114527.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u8fd9\u65f6\u5019\u90bb\u63a5\u5173\u7cfb\u5efa\u7acb<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281114539.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u73b0\u5728\u770b\u5c31\u80fdping\u901a\u4e86<\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u56db PTMP \u975e\u5e7f\u64ad<\/h3>\n<p>R1\u6539\u4e3aPTMP \u975e\u5e7f\u64ad<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115219.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>R2\u6539\u4e3aPTMP \u975e\u5e7f\u64ad<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115223.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u5e76\u4e14\u80fd\u770b\u5230\u90bb\u63a5\u72b6\u6001\u5df2\u5efa\u7acb\uff0c\u867d\u7136\u8fd9\u662f\u975e\u5e7f\u64ad\u9700\u8981\u6307\u5b9a\u90bb\u5c45\uff0c\u4f46\u662f\u7531\u4e8e\u5b9e\u9a8c\u4e09\u6211\u4eec\u5df2\u7ecf\u6307\u5b9a\u90bb\u5c45\u4e86\uff0c\u6240\u4ee5\u8fd8\u662f\u80fd\u5efa\u7acb\u90bb\u63a5\u5173\u7cfb\u3002\u4f46\u662f\u5982\u679c\u6211\u4eec\u628aR1\u548cR2\u7684\u6307\u5b9a\u90bb\u5c45\u53bb\u9664\uff0c\u5c31\u53d8\u4e3aDOWN<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115225.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115221.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u7b49\u5f8530s\u540e\u53ef\u4ee5\u770b\u5230\u8def\u7531\u8868\u6ca1\u6709ospf\u8def\u7531<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115232.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u4e94 PTMP\u5e7f\u64ad\u7c7b\u578b<\/h3>\n<p>\u5e7f\u64ad\u7c7b\u578b\u4e0d\u9700\u8981\u6307\u5b9a\u90bb\u5c45\uff0c\u6240\u4ee5\u914d\u5b8c\u63a5\u53e3\u7c7b\u578b\u5c31\u80fdping\u901a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115096.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115098.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u914d\u5b8c\u7f51\u7edc\u7c7b\u578b\u5c31\u5df2\u5efa\u7acb\u90bb\u63a5\u72b6\u6001\uff0c\u6b64\u65f6\u4e5f\u80fdping\u901a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202209281115102.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u5b9e\u9a8c\u516d \u534f\u8bae\u4e0d\u4e00\u6837\u5bf9\u7f51\u7edc\u7684\u5f71\u54cd<\/h3>\n<p>R1\u4e32\u53e3\u9ed8\u8ba4\u4f7f\u7528\u7684HDLC\u534f\u8bae<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGowps43.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u65f6\u5019\u6211\u4eec\u628a\u5b83\u5c01\u88c5\u6210PPP\u534f\u8bae<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGowps44.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u6b64\u65f6R1\u548cR2\u662fping\u4e0d\u901a\u7684\uff0c\u56e0\u4e3aR2\u4f7f\u7528\u7684\u8fd8\u662fHDLC\u534f\u8bae\uff0c\u4e24\u7aef\u534f\u8bae\u4e0d\u5bf9\u7b49<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGowps45.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u679c\u7136ping\u4e0d\u901a<\/p>\n<p>&nbsp;<\/p>\n<p>\u8fd9\u65f6\u5019\u6211\u4eec\u628aR2\u4e5f\u5c01\u88c5\u6210PPP\u534f\u8bae<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGowps46.jpg\" referrerpolicy=\"no-referrer\" alt=\"img\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u8fd9\u65f6\u5019\u5c31\u80fdping\u901a\u4e86<\/p>\n<p>&nbsp;<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<figure>\n<table>\n<thead>\n<tr>\n<th>&nbsp;<\/th>\n<th style=\"text-align:center;\">R1\u7684\u7f51\u7edc\u7c7b\u578b<\/th>\n<th style=\"text-align:center;\">R2\u7684\u7f51\u7edc\u7c7b\u578b<\/th>\n<th style=\"text-align:center;\">R1\u6709\u6ca1\u6709\u6307\u5b9a\u90bb\u5c45<\/th>\n<th style=\"text-align:center;\">R2\u6709\u6ca1\u6709\u6307\u5b9a\u90bb\u5c45<\/th>\n<th style=\"text-align:center;\">\u901a\u5426\uff1f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b9e\u9a8c\u4e8c<\/td>\n<td style=\"text-align:center;\">PTMP\u975e\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">PPP\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u5426<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u9a8c\u4e09<\/td>\n<td style=\"text-align:center;\">NBMA<\/td>\n<td style=\"text-align:center;\">NBMA<\/td>\n<td style=\"text-align:center;\">\u6709<\/td>\n<td style=\"text-align:center;\">\u6709<\/td>\n<td style=\"text-align:center;\">\u662f<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u9a8c\u56db<\/td>\n<td style=\"text-align:center;\">PTMP\u975e\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">PTMP\u975e\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u5426<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u9a8c\u4e94<\/td>\n<td style=\"text-align:center;\">PTMP\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">PTMP\u5e7f\u64ad<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u6ca1\u6709<\/td>\n<td style=\"text-align:center;\">\u662f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>&nbsp;<\/p>\n<p>\u672c\u6587\u5b8c<\/p>\n<p>\u656c\u7231\u4e0e\u660e\u5929\ud83c\udf39<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ospf\u7f51\u7edc\u7c7b\u578b\uff0c\u4e0d\u540c\u7f51\u7edc\u7c7b\u578b\u80fd\u5426\u8fdb\u884c\u901a\u4fe1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[46,61,62],"class_list":["post-173","post","type-post","status-publish","format-standard","hentry","category-cisco","tag-cisco","tag-ospf","tag-62"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ospf\u7f51\u7edc\u7c7b\u578b - #\u762b\u7537\u65e5\u8bb0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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