{"id":25983,"date":"2021-11-20T12:44:54","date_gmt":"2021-11-20T04:44:54","guid":{"rendered":"http:\/\/www.idc.net\/help\/25983\/"},"modified":"2021-11-20T12:44:54","modified_gmt":"2021-11-20T04:44:54","slug":"ccnp%e4%b8%ad%e9%9d%9e%e5%b8%b8%e9%87%8d%e8%a6%81%e7%9a%845%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/25983\/","title":{"rendered":"CCNP\u4e2d\u975e\u5e38\u91cd\u8981\u76845\u534f\u8bae"},"content":{"rendered":"
\n

CCNP\u8ba4\u8bc1\u8868\u793a\u8d44\u6df1\u7f51\u7edc\u5de5\u7a0b\u5e08\u5177\u6709\u5bf9\u4ece100\u4e2a\u8282\u70b9\u5230\u8d85\u8fc7500\u4e2a\u8282\u70b9\u7684\u878d\u5408\u5c40\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u8fdb\u884c\u5b89\u88c5\u3001\u914d\u7f6e\u548c\u6545\u969c\u6392\u9664\u7684\u80fd\u529b\u3002\u83b7\u5f97CCNP\u8ba4\u8bc1\u8d44\u683c\u7684\u8d44\u6df1\u7f51\u7edc\u5de5\u7a0b\u5e08\u62e5\u6709\u4e30\u5bcc\u7684\u77e5\u8bc6\u548c\u6280\u80fd\uff0c\u80fd\u591f\u7ba1\u7406\u6784\u6210\u7f51\u7edc\u6838\u5fc3\u7684\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\uff0c\u4ee5\u53ca\u5c06\u8bed\u97f3\u3001\u65e0\u7ebf\u548c\u5b89\u5168\u96c6\u6210\u5230\u7f51\u7edc\u4e2d\u7684\u8fb9\u7f18\u5e94\u7528\u3002<\/strong><\/p>\n

<\/p>\n

IS-IS<\/span><\/h4>\n

(IS-IS\uff1aIntermediate System to Intermediate System Routing Protocol)\u4e2d\u95f4\u7cfb\u7edf\u5230\u4e2d\u95f4\u7cfb\u7edf\u7684\u8def\u7531\u9009\u62e9\u534f\u8bae(IS-IS)\u662f\u7531 ISO \u63d0\u51fa\u7684\u4e00\u79cd\u8def\u7531\u9009\u62e9\u534f\u8bae\u3002\u5b83\u662f\u4e00\u79cd\u94fe\u8def\u72b6\u6001\u534f\u8bae\u3002<\/p>\n

\u5728\u8be5\u534f\u8bae\u4e2d\uff0cIS(\u8def\u7531\u5668)\u8d1f\u8d23\u4ea4\u6362\u57fa\u4e8e\u94fe\u8def\u5f00\u9500\u7684\u8def\u7531\u4fe1\u606f\u5e76\u51b3\u5b9a\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u3002IS-IS \u7c7b\u4f3c\u4e8e TCP\/IP \u7f51\u7edc\u7684\u5f00\u653e\u6700\u77ed\u8def\u5f84\u4f18\u5148(OSPF)\u534f\u8bae\u3002<\/p>\n

ISO \u7f51\u7edc\u5305\u542b\u4e86\u7ec8\u7aef\u7cfb\u7edf\u3001\u4e2d\u95f4\u7cfb\u7edf\u3001\u533a\u57df(Area)\u548c\u57df(Domain)\u3002\u7ec8\u7aef\u7cfb\u7edf\u6307\u7528\u6237\u8bbe\u5907\uff0c\u4e2d\u95f4\u7cfb\u7edf\u6307\u8def\u7531\u5668\u3002\u8def\u7531\u5668\u5f62\u6210\u7684\u672c\u5730\u7ec4\u79f0\u4e4b\u4e3a\u201c\u533a\u57df\u201d\uff0c\u591a\u4e2a\u533a\u57df\u7ec4\u6210\u4e00\u4e2a\u201c\u57df\u201d\u3002IS-IS \u88ab\u8bbe\u8ba1\u6765\u63d0\u4f9b\u57df\u5185\u6216\u4e00\u4e2a\u533a\u57df\u5185\u7684\u8def\u7531\u3002IS-IS\u4e0e CLNP\u3001ES-IS \u548c IDRP\u534f\u8bae\u76f8\u7ed3\u5408\uff0c\u4e3a\u6574\u4e2a\u7f51\u7edc\u63d0\u4f9b\u5b8c\u6574\u7684\u8def\u7531\u9009\u62e9\u3002<\/p>\n

IS-IS \u8def\u7531\u4f7f\u7528\u4e24\u5c42\u8def\u7531\u4f53\u7cfb\u3002Level 1 \u8def\u7531\u5668\u53ea\u77e5\u9053\u5b83\u4eec\u672c\u533a\u57df\u4e2d\u7684\u62d3\u6251\uff0c\u5305\u62ec\u6240\u6709\u7684\u8def\u7531\u5668\u548c\u4e3b\u673a\uff0c\u800c\u4e0d\u77e5\u9053\u533a\u57df\u4ee5\u5916\u7684\u8def\u7531\u5668\u4ee5\u53ca\u76ee\u7684\u5730\u3002Level 1 \u8def\u7531\u5668\u5c06\u53bb\u5f80\u5176\u5b83\u533a\u57df\u7684\u6240\u6709\u6d41\u91cf\u90fd\u8f6c\u53d1\u7ed9\u672c\u533a\u57df\u5185\u7684\u4e00\u53f0 L2 \u8def\u7531\u5668\uff0c\u8be5\u8def\u7531\u5668\u77e5\u9053 level 2 \u7684\u62d3\u6734\uff0c\u800c\u4e0d\u9700\u8981\u77e5\u9053\u4efb\u4f55 level 1 \u7684\u62d3\u6734\uff0c\u9664\u975e level 2 \u8def\u7531\u5668\u4e5f\u662f\u8be5\u533a\u57df\u91cc\u7684 level 1 \u8def\u7531\u5668\u3002<\/p>\n

\u9002\u5408\u4f20\u9001 IP \u7f51\u7edc\u4fe1\u606f\u7684 IS-IS \u79f0\u4e4b\u4e3a\u7efc\u5408 IS-IS (Integrated IS-IS)\u3002\u5728\u5f53\u524d\u8def\u7531\u9009\u62e9\u534f\u8bae\u4e2d\uff0c Integrated IS-IS \u5177\u6709\u6700\u91cd\u8981\u7684\u4e00\u4e2a\u7279\u5f81\uff1a\u5b83\u652f\u6301 VLSM \u548c\u5feb\u901f\u6536\u655b\u3002\u53e6\u5916\u5b83\u5177\u6709\u53ef\u4f38\u7f29\u6027\uff0c\u80fd\u591f\u652f\u6301\u5927\u89c4\u6a21\u7f51\u7edc\u3002<\/p>\n

<\/p>\n

IOS\u5b9a\u4e49<\/span><\/h4>\n

Cisco\u7684\u7f51\u9645\u64cd\u4f5c\u7cfb\u7edf(IOS)\u662f\u4e00\u4e2a\u4e3a\u7f51\u9645\u4e92\u8fde\u4f18\u5316\u7684\u590d\u6742\u7684\u64cd\u4f5c\u7cfb\u7edf\u2013\u7c7b\u4f3c\u4e00\u4e2a\u5c40\u57df\u64cd\u4f5c\u7cfb\u7edf(NOS)\u3001\u5982Novell\u7684NetWare\uff0c\u4e3aLANs\u800c\u8fdb\u884c\u4f18\u5316\u3002IOS\u4e3a\u957f\u65f6\u95f4\u7ecf\u6d4e\u6709\u6548\u5730\u7ef4\u62a4\u4e00\u4e2a\u4e92\u8054\u7f51\u7edc\u63d0\u4f9b\u4e00\u4e0b\u7edf\u4e00\u7684\u89c4\u5219\u3002<\/p>\n

\u7b80\u800c\u8a00\u4e4b\uff0c\u5b83\u662f\u4e00\u4e2a\u4e0e\u786c\u4ef6\u5206\u79bb\u7684\u8f6f\u4ef6\u4f53\u7cfb\u7ed3\u6784\uff0c\u968f\u7f51\u7edc\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u53ef\u52a8\u6001\u5730\u5347\u7ea7\u4ee5\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u6280\u672f(\u786c\u4ef6\u548c\u8f6f\u4ef6)\u3002IOS\u53ef\u4ee5\u88ab\u89c6\u4f5c\u4e00\u4e2a\u7f51\u9645\u4e92\u8fde\u4e2d\u67a2\uff1a\u4e00\u4e2a\u9ad8\u5ea6\u667a\u80fd\u7684\u7ba1\u7406\u5458\uff0c\u8d1f\u8d23\u7ba1\u7406\u7684\u63a7\u5236\u590d\u6742\u7684\u5206\u5e03\u5f0f\u7f51\u7edc\u8d44\u6e90\u7684\u529f\u80fd\u3002<\/p>\n

<\/p>\n

IGP\u5185\u90e8\u7f51\u5173\u534f\u8bae<\/span><\/h4>\n

\u5185\u90e8\u7f51\u5173\u534f\u8bae(IGP)\u662f\u4e00\u79cd\u4e13\u7528\u4e8e\u4e00\u4e2a\u81ea\u6cbb\u7f51\u7edc\u7cfb\u7edf(\u6bd4\u5982\uff1a\u67d0\u4e2a\u5f53\u5730\u793e\u533a\u8303\u56f4\u5185\u7684\u4e00\u4e2a\u81ea\u6cbb\u7f51\u7edc\u7cfb\u7edf)\u4e2d\u7f51\u5173\u95f4\u4ea4\u6362\u6570\u636e\u6d41\u8f6c\u901a\u9053\u4fe1\u606f\u7684\u534f\u8bae\u3002\u7f51\u7edcIP\u534f\u8bae\u6216\u8005\u5176\u4ed6\u7684\u7f51\u7edc\u534f\u8bae\u5e38\u5e38\u901a\u8fc7\u8fd9\u4e9b\u901a\u9053\u4fe1\u606f\u6765\u51b3\u65ad\u600e\u6837\u4f20\u9001\u6570\u636e\u6d41\u3002<\/p>\n

\u76ee\u524d\u6700\u5e38\u7528\u7684\u4e24\u79cd\u5185\u90e8\u7f51\u5173\u534f\u8bae\u5206\u522b\u662f\uff1a\u8def\u7531\u4fe1\u606f\u534f\u8bae(RIP)\u548c\u6700\u77ed\u8def\u5f84\u4f18\u5148\u8def\u7531\u534f\u8bae\uff0c\u76ee\u524d\u7684IGP\u6709RIP\u3001OSPF\u3001IGRP\u3001EIGRP\u3001IS-IS\u7b49\u534f\u8bae\u3002<\/p>\n

<\/p>\n

IPv6<\/span><\/h4>\n

IPv6\u662fInternet Protocol Version 6\u7684\u7f29\u5199\uff0c\u5176\u4e2dInternet Protocol\u8bd1\u4e3a\u201c\u4e92\u8054\u7f51\u534f\u8bae\u201d\u3002<\/p>\n

IPv6\u662fIETF(\u4e92\u8054\u7f51\u5de5\u7a0b\u4efb\u52a1\u7ec4\uff0cInternet Engineering Task Force)\u8bbe\u8ba1\u7684\u7528\u4e8e\u66ff\u4ee3\u73b0\u884c\u7248\u672cIP\u534f\u8bae(IPv4)\u7684\u4e0b\u4e00\u4ee3IP\u534f\u8bae\u3002<\/p>\n

\u76ee\u524d\u7684\u5168\u7403\u56e0\u7279\u7f51\u6240\u91c7\u7528\u7684\u534f\u8bae\u65cf\u662fTCP\/IP\u534f\u8bae\u65cf\u3002IP\u662fTCP\/IP\u534f\u8bae\u65cf\u4e2d\u7f51\u7edc\u5c42\u7684\u534f\u8bae\uff0c\u662fTCP\/IP\u534f\u8bae\u65cf\u7684\u6838\u5fc3\u534f\u8bae\u3002<\/p>\n

\u76ee\u524dIP\u534f\u8bae\u7684\u7248\u672c\u53f7\u662f4(\u7b80\u79f0\u4e3aIPv4)\uff0c\u5b83\u7684\u4e0b\u4e00\u4e2a\u7248\u672c\u5c31\u662fIPv6\u3002IPv6\u6b63\u5904\u5728\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5b83\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u5c06\u53d6\u4ee3\u76ee\u524d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684IPv4\u3002\u6bcf\u4e2a\u4eba\u5c06\u62e5\u6709\u66f4\u591aIP\u5730\u5740\u3002<\/p>\n

<\/p>\n

STP\u751f\u6210\u6811\u534f\u8bae<\/span><\/h4>\n

\u8be5\u534f\u8bae\u53ef\u5e94\u7528\u4e8e\u73af\u8def\u7f51\u7edc\uff0c\u901a\u8fc7\u4e00\u5b9a\u7684\u7b97\u6cd5\u5b9e\u73b0\u8def\u5f84\u5197\u4f59\uff0c\u540c\u65f6\u5c06\u73af\u8def\u7f51\u7edc\u4fee\u526a\u6210\u65e0\u73af\u8def\u7684\u6811\u578b\u7f51\u7edc\uff0c\u4ece\u800c\u907f\u514d\u62a5\u6587\u5728\u73af\u8def\u7f51\u7edc\u4e2d\u7684\u589e\u751f\u548c\u65e0\u9650\u5faa\u73af\u3002<\/p>\n

STP\u7684\u57fa\u672c\u539f\u7406\u662f\uff0c\u901a\u8fc7\u5728\u4ea4\u6362\u673a\u4e4b\u95f4\u4f20\u9012\u4e00\u79cd\u7279\u6b8a\u7684\u534f\u8bae\u62a5\u6587(\u5728IEEE 802.1D\u4e2d\u8fd9\u79cd\u534f\u8bae\u62a5\u6587\u88ab\u79f0\u4e3a\u201c\u914d\u7f6e\u6d88\u606f\u201d)\u6765\u786e\u5b9a\u7f51\u7edc\u7684\u62d3\u6251\u7ed3\u6784\u3002\u914d\u7f6e\u6d88\u606f\u4e2d\u5305\u542b\u4e86\u8db3\u591f\u7684\u4fe1\u606f\u6765\u4fdd\u8bc1\u4ea4\u6362\u673a\u5b8c\u6210\u751f\u6210\u6811\u8ba1\u7b97\u3002<\/p>\n

<\/p>\n

\u751f\u6210\u6811\u534f\u8bae\u6700\u4e3b\u8981\u7684\u5e94\u7528\u662f\u4e3a\u4e86\u907f\u514d\u5c40\u57df\u7f51\u4e2d\u7684\u7f51\u7edc\u73af\u56de\uff0c\u89e3\u51b3\u6210\u73af\u4ee5\u592a\u7f51\u7f51\u7edc\u7684\u201c\u5e7f\u64ad\u98ce\u66b4\u201d\u95ee\u9898\uff0c\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u8bf4\u662f\u4e00\u79cd\u7f51\u7edc\u4fdd\u62a4\u6280\u672f\uff0c\u53ef\u4ee5\u6d88\u9664\u7531\u4e8e\u5931\u8bef\u6216\u8005\u610f\u5916\u5e26\u6765\u7684\u5faa\u73af\u8fde\u63a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

CCNP\u8ba4\u8bc1\u8868\u793a\u8d44\u6df1\u7f51\u7edc\u5de5\u7a0b\u5e08\u5177\u6709\u5bf9\u4ece100\u4e2a\u8282\u70b9\u5230\u8d85\u8fc7500\u4e2a\u8282\u70b9\u7684\u878d\u5408\u5c40\u57df\u7f51\u548c\u5e7f\u57df\u7f51\u8fdb\u884c\u5b89\u88c5\u3001\u914d\u7f6e\u548c\u6545\u969c\u6392 […]<\/p>\n","protected":false},"author":1,"featured_media":25984,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-25983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/25983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=25983"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/25983\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/25984"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=25983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=25983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=25983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}