{"id":9852,"date":"2022-05-17T18:16:05","date_gmt":"2022-05-18T01:16:05","guid":{"rendered":"https:\/\/www.xh86.me\/?p=9852"},"modified":"2022-05-17T18:16:05","modified_gmt":"2022-05-18T01:16:05","slug":"%e7%bd%91%e5%b7%a5%e8%b7%af%e7%94%b1%e5%9f%ba%e7%a1%80%ef%bc%885%ef%bc%89isis%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=9852","title":{"rendered":"\u7f51\u5de5\u8def\u7531\u57fa\u7840\uff085\uff09ISIS\u534f\u8bae"},"content":{"rendered":"
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0<\/strong>1<\/strong><\/span><\/section>\n
IS-IS\u8def\u7531\u534f\u8bae\u7b80\u4ecb<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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IS-IS\u662f\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7ISO\u4e3a\u5b83\u7684\u65e0\u8fde\u63a5\u7f51\u7edc\u534f\u8baeCLNP\u8bbe\u8ba1\u7684\u4e00\u79cd\u52a8\u6001\u8def\u7531\u534f\u8bae\u3002<\/span><\/p>\n

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\u968f\u7740TCP\/IP\u534f\u8bae\u7684\u6d41\u884c\uff0c\u4e3a\u4e86\u63d0\u4f9b\u5bf9IP\u8def\u7531\u7684\u652f\u6301\uff0cIETF\uff08Internet Engineering Task Force \uff09\u5728RFC1195\u4e2d\u5bf9IS-IS\u8fdb\u884c\u4e86\u6269\u5145\u548c\u4fee\u6539\uff0c\u4f7f\u5b83\u80fd\u591f\u540c\u65f6\u5e94\u7528\u5728TCP\/IP\u548cOSI\u73af\u5883\u4e2d\uff0c\u79f0\u4e3a\u96c6\u6210IS-IS\uff08Integrated IS-IS\u6216Dual IS-IS\uff09\u3002<\/span><\/p>\n

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\u5728IS-IS\u4e2d\uff0c\u8def\u7531\u5668\u88ab\u63cf\u8ff0\u4e3a\u662f\u4e00\u4e2a\u4e2d\u95f4\u7cfb\u7edf(Intermediate System\uff0cIS)\uff0c\u4e3b\u673a\u88ab\u63cf\u8ff0\u4e3a\u7aef\u7cfb\u7edf(End System,ES)\u3002\u56e0\u6b64\u63d0\u4f9b\u4e3b\u673a\u548c\u8def\u7531\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u7684\u534f\u8bae\u5373\u4e3aES-IS\uff1b\u800c\u8def\u7531\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5373\u4e3aIS-IS\u3002<\/span><\/p>\n

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\u548cIP\u4e2d\u4f7f\u7528Proxy ARP\u6216IRDP\uff0c\u6216\u5728\u4e3b\u673a\u4e0a\u914d\u7f6e\u9ed8\u8ba4\u7f51\u5173\u4e0d\u540c\u7684\u662f\uff0cCLNP\u4f1a\u5728ES\u548cIS\u4e4b\u95f4\u5f62\u6210ES-IS\u7684\u90bb\u63a5\u5173\u7cfb\u3002
<\/span><\/p>\n

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\u968f\u7740IPv6\u7f51\u7edc\u7684\u5efa\u8bbe\uff0c\u540c\u6837\u9700\u8981\u52a8\u6001\u8def\u7531\u534f\u8bae\u4e3aIPv6\u62a5\u6587\u7684\u8f6c\u53d1\u63d0\u4f9b\u51c6\u786e\u6709\u6548\u7684\u8def\u7531\u4fe1\u606f\u3002IS-IS\u8def\u7531\u534f\u8bae\u7ed3\u5408\u81ea\u8eab\u5177\u6709\u826f\u597d\u7684\u6269\u5c55\u6027\u7684\u7279\u70b9\uff0c\u5b9e\u73b0\u4e86\u5bf9IPv6\u7f51\u7edc\u5c42\u534f\u8bae\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u53d1\u73b0\u3001\u751f\u6210\u548c\u8f6c\u53d1IPv6\u8def\u7531\u3002<\/span><\/p>\n

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0<\/strong>2<\/strong><\/span><\/section>\n
\u57fa\u672c\u539f\u7406\u7b80\u4ecb<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n

IS-IS\u662f\u4e00\u79cd\u94fe\u8def\u72b6\u6001\u8def\u7531\u534f\u8bae\uff0c\u6bcf\u4e00\u53f0\u8def\u7531\u5668\u90fd\u4f1a\u751f\u6210\u4e00\u4e2aLSP\uff0c\u5b83\u5305\u542b\u4e86\u8be5\u8def\u7531\u5668\u6240\u6709\u4f7f\u80fdIS-IS\u534f\u8bae\u63a5\u53e3\u7684\u94fe\u8def\u72b6\u6001\u4fe1\u606f\u3002<\/span><\/p>\n

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\u901a\u8fc7\u8ddf\u76f8\u90bb\u8bbe\u5907\u5efa\u7acbIS-IS\u90bb\u63a5\u5173\u7cfb\uff0c\u4e92\u76f8\u66f4\u65b0\u672c\u5730\u8bbe\u5907\u7684LSDB\uff0c\u53ef\u4ee5\u4f7f\u5f97LSDB\u4e0e\u6574\u4e2aIS-IS\u7f51\u7edc\u7684\u5176\u4ed6\u8bbe\u5907\u7684LSDB\u5b9e\u73b0\u540c\u6b65\u3002\u7136\u540e\u6839\u636eLSDB\u8fd0\u7528SPF\u7b97\u6cd5\u8ba1\u7b97\u51faIS-IS\u8def\u7531\u3002\u5982\u679c\u6b64IS-IS\u8def\u7531\u662f\u5230\u76ee\u7684\u5730\u5740\u7684\u6700\u4f18\u8def\u7531\uff0c\u5219\u6b64\u8def\u7531\u4f1a\u4e0b\u53d1\u7684IP\u8def\u7531\u8868\u4e2d\uff0c\u5e76\u6307\u5bfc\u62a5\u6587\u7684\u8f6c\u53d1\u3002<\/span><\/p>\n

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0<\/strong>3<\/strong><\/span><\/section>\n
IS-IS\u8def\u7531\u5668\u7684\u5206\u7c7b<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Level-1\u8def\u7531\u5668<\/strong><\/span><\/p>\n

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Level-1\u8def\u7531\u5668\u8d1f\u8d23\u533a\u57df\u5185\u7684\u8def\u7531\uff0c\u5b83\u53ea\u4e0e\u5c5e\u4e8e\u540c\u4e00\u533a\u57df\u7684Level-1\u548cLevel-1-2\u8def\u7531\u5668\u5f62\u6210\u90bb\u5c45\u5173\u7cfb\uff0c\u5c5e\u4e8e\u4e0d\u540c\u533a\u57df\u7684Level-1\u8def\u7531\u5668\u4e0d\u80fd\u5f62\u6210\u90bb\u5c45\u5173\u7cfb\u3002<\/span><\/p>\n

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Level-1\u8def\u7531\u5668\u53ea\u8d1f\u8d23\u7ef4\u62a4Level-1\u7684\u94fe\u8def\u72b6\u6001\u6570\u636e\u5e93LSDB\uff08Link State Database\uff09\uff0c\u8be5LSDB\u5305\u542b\u672c\u533a\u57df\u7684\u8def\u7531\u4fe1\u606f\uff0c\u5230\u672c\u533a\u57df\u5916\u7684\u62a5\u6587\u8f6c\u53d1\u7ed9\u6700\u8fd1\u7684Level-1-2\u8def\u7531\u5668\u3002<\/span><\/p>\n

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Level-2\u8def\u7531\u5668<\/span><\/strong><\/span><\/p>\n

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Level-2\u8def\u7531\u5668\u8d1f\u8d23\u533a\u57df\u95f4\u7684\u8def\u7531\uff0c\u5b83\u53ef\u4ee5\u4e0e\u540c\u4e00\u6216\u8005\u4e0d\u540c\u533a\u57df\u7684Level-2\u8def\u7531\u5668\u6216\u8005\u5176\u5b83\u533a\u57df\u7684Level-1-2\u8def\u7531\u5668\u5f62\u6210\u90bb\u5c45\u5173\u7cfb\u3002Level-2\u8def\u7531\u5668\u7ef4\u62a4\u4e00\u4e2aLevel-2\u7684LSDB\uff0c\u8be5LSDB\u5305\u542b\u533a\u57df\u95f4\u7684\u8def\u7531\u4fe1\u606f\u3002<\/span><\/p>\n

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\u6240\u6709Level-2\u7ea7\u522b\uff08\u5373\u5f62\u6210Level-2\u90bb\u5c45\u5173\u7cfb\uff09\u7684\u8def\u7531\u5668\u7ec4\u6210\u8def\u7531\u57df\u7684\u9aa8\u5e72\u7f51\uff0c\u8d1f\u8d23\u5728\u4e0d\u540c\u533a\u57df\u95f4\u901a\u4fe1\u3002\u8def\u7531\u57df\u4e2dLevel-2\u7ea7\u522b\u7684\u8def\u7531\u5668\u5fc5\u987b\u662f\u7269\u7406\u8fde\u7eed\u7684\uff0c\u4ee5\u4fdd\u8bc1\u9aa8\u5e72\u7f51\u7684\u8fde\u7eed\u6027\u3002\u53ea\u6709Level-2\u7ea7\u522b\u7684\u8def\u7531\u5668\u624d\u80fd\u76f4\u63a5\u4e0e\u533a\u57df\u5916\u7684\u8def\u7531\u5668\u4ea4\u6362\u6570\u636e\u62a5\u6587\u6216\u8def\u7531\u4fe1\u606f\u3002<\/span><\/p>\n

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Level-1-2\u8def\u7531\u5668<\/strong><\/span><\/p>\n

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\u540c\u65f6\u5c5e\u4e8eLevel-1\u548cLevel-2\u7684\u8def\u7531\u5668\u79f0\u4e3aLevel-1-2\u8def\u7531\u5668\uff0c\u5b83\u53ef\u4ee5\u4e0e\u540c\u4e00\u533a\u57df\u7684Level-1\u548cLevel-1-2\u8def\u7531\u5668\u5f62\u6210Level-1\u90bb\u5c45\u5173\u7cfb\uff0c\u4e5f\u53ef\u4ee5\u4e0e\u5176\u4ed6\u533a\u57df\u7684Level-2\u548cLevel-1-2\u8def\u7531\u5668\u5f62\u6210Level-2\u7684\u90bb\u5c45\u5173\u7cfb\u3002Level-1\u8def\u7531\u5668\u5fc5\u987b\u901a\u8fc7Level-1-2\u8def\u7531\u5668\u624d\u80fd\u8fde\u63a5\u81f3\u5176\u4ed6\u533a\u57df\u3002<\/span><\/p>\n

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Level-1-2\u8def\u7531\u5668\u7ef4\u62a4\u4e24\u4e2aLSDB\uff0cLevel-1\u7684LSDB\u7528\u4e8e\u533a\u57df\u5185\u8def\u7531\uff0cLevel-2\u7684LSDB\u7528\u4e8e\u533a\u57df\u95f4\u8def\u7531\u3002<\/span><\/p>\n

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0<\/strong>4<\/strong><\/span><\/section>\n
IS-IS\u7684\u7f51\u7edc\u7c7b\u578b<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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IS-IS\u53ea\u652f\u6301\u4e24\u79cd\u7c7b\u578b\u7684\u7f51\u7edc\uff0c\u6839\u636e\u7269\u7406\u94fe\u8def\u4e0d\u540c\u53ef\u5206\u4e3a\uff1a\u5e7f\u64ad\u94fe\u8def\uff1a\u5982Ethernet\u3001Token-Ring\u7b49\uff1b\u70b9\u5230\u70b9\u94fe\u8def\uff1a\u5982PPP\u3001HDLC\u7b49\u3002<\/span><\/p>\n

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\u5bf9\u4e8eNBMA\uff08Non-Broadcast Multi-Access\uff09\u7f51\u7edc\uff0c\u9700\u5bf9\u5176\u914d\u7f6e\u5b50\u63a5\u53e3\uff0c\u5e76\u6ce8\u610f\u5b50\u63a5\u53e3\u7c7b\u578b\u5e94\u914d\u7f6e\u4e3aP2P\u3002IS-IS\u4e0d\u80fd\u5728\u70b9\u5230\u591a\u70b9\u94fe\u8defP2MP\uff08Point to MultiPoint\uff09\u4e0a\u8fd0\u884c\u3002<\/span><\/p>\n

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0<\/strong>5<\/strong><\/span><\/section>\n
IS-IS\u7684\u7f51\u7edc\u5730\u5740<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n

\u5728IS-IS\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7Network Entity Tiyle(NET)\u6765\u540c\u65f6\u5b9a\u4e49\u533a\u57dfID\u548c\u7cfb\u7edfID\u3002\u5373\u4f7f\u96c6\u6210IS-IS\u53ea\u4f7f\u7528\u5728TCP\/IP\u7684\u73af\u5883\u4e2d\uff0c\u7531\u4e8e\u5b83\u662f\u4ee5CLNP\u4e3a\u57fa\u7840\u7684\uff0c\u6240\u4ee5\u4ecd\u7136\u8981\u914d\u7f6eOSI CLNP\u5730\u5740\u3002<\/span><\/p>\n

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0<\/strong>6<\/strong><\/span><\/section>\n
IS-IS\u62a5\u6587\u7c7b\u578b<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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IS-IS\u62a5\u6587\u6709\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\uff1aHELLO PDU\uff08Protocol Data Unit\uff09\u3001LSP\u548cSNP\u3002<\/span><\/p>\n

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Hello PDU<\/strong><\/span><\/p>\n

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Hello\u62a5\u6587\u7528\u4e8e\u5efa\u7acb\u548c\u7ef4\u6301\u90bb\u5c45\u5173\u7cfb\uff0c\u4e5f\u79f0\u4e3aIIH\uff08IS-to-IS Hello PDUs\uff09\u3002\u5176\u4e2d\uff0c\u5e7f\u64ad\u7f51\u4e2d\u7684Level-1 IS-IS\u4f7f\u7528Level-1 LAN IIH\uff1b\u5e7f\u64ad\u7f51\u4e2d\u7684Level-2 IS-IS\u4f7f\u7528Level-2 LAN IIH\uff1b\u975e\u5e7f\u64ad\u7f51\u7edc\u4e2d\u5219\u4f7f\u7528P2P IIH\u3002\u5b83\u4eec\u7684\u62a5\u6587\u683c\u5f0f\u6709\u6240\u4e0d\u540c\u3002<\/span><\/span><\/p>\n

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P2P IIH\u4e2d\u76f8\u5bf9\u4e8eLAN IIH\u6765\u8bf4\uff0c\u591a\u4e86\u4e00\u4e2a\u8868\u793a\u672c\u5730\u94fe\u8defID\u7684Local Circuit ID\u5b57\u6bb5\uff0c\u7f3a\u5c11\u4e86\u8868\u793a\u5e7f\u64ad\u7f51\u4e2dDIS\u7684\u4f18\u5148\u7ea7\u7684Priority\u5b57\u6bb5\u4ee5\u53ca\u8868\u793aDIS\u548c\u4f2a\u8282\u70b9System ID\u7684LAN ID\u5b57\u6bb5\u3002<\/span><\/p>\n

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LSP<\/span><\/strong><\/span><\/p>\n

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\u94fe\u8def\u72b6\u6001\u62a5\u6587LSP\uff08Link State PDUs\uff09\u7528\u4e8e\u4ea4\u6362\u94fe\u8def\u72b6\u6001\u4fe1\u606f\u3002LSP\u5206\u4e3a\u4e24\u79cd\uff1aLevel-1 LSP\u548cLevel-2 LSP\u3002Level-1 LSP\u7531Level-1 IS-IS\u4f20\u9001\uff0cLevel-2 LSP\u7531Level-2 IS-IS\u4f20\u9001\uff0cLevel-1-2 IS-IS\u5219\u53ef\u4f20\u9001\u4ee5\u4e0a\u4e24\u79cdLSP\u3002<\/span><\/p>\n

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LSP\u62a5\u6587\u4e2d\u4e3b\u8981\u5b57\u6bb5\u7684\u89e3\u91ca\u5982\u4e0b:<\/strong><\/span><\/p>\n

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ATT\u5b57\u6bb5\uff1a<\/strong>\u5f53Level-1-2 IS-IS\u5728Level-1\u533a\u57df\u5185\u4f20\u9001Level-1 LSP\u65f6\uff0c\u5982\u679cLevel-1 LSP\u4e2d\u8bbe\u7f6e\u4e86ATT\u4f4d\uff0c\u5219\u8868\u793a\u8be5\u533a\u57df\u4e2d\u7684Level-1 IS-IS\u53ef\u4ee5\u901a\u8fc7\u6b64Level-1-2 IS-IS\u901a\u5f80\u5916\u90e8\u533a\u57df\u3002<\/span><\/p>\n

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OL\uff08LSDB Overload\uff09\u5b57\u6bb5<\/strong>\uff1a\u8fc7\u8f7d\u6807\u5fd7\u4f4d\u3002<\/span><\/p>\n

\n

\u8bbe\u7f6e\u4e86\u8fc7\u8f7d\u6807\u5fd7\u4f4d\u7684LSP\u867d\u7136\u8fd8\u4f1a\u5728\u7f51\u7edc\u4e2d\u6269\u6563\uff0c\u4f46\u662f\u5728\u8ba1\u7b97\u901a\u8fc7\u8fc7\u8f7d\u8def\u7531\u5668\u7684\u8def\u7531\u65f6\u4e0d\u4f1a\u88ab\u91c7\u7528\u3002\u5373\u5bf9\u8def\u7531\u5668\u8bbe\u7f6e\u8fc7\u8f7d\u4f4d\u540e\uff0c\u5176\u5b83\u8def\u7531\u5668\u5728\u8fdb\u884cSPF\u8ba1\u7b97\u65f6\u4e0d\u4f1a\u4f7f\u7528\u8fd9\u53f0\u8def\u7531\u5668\u505a\u8f6c\u53d1\uff0c\u53ea\u8ba1\u7b97\u8be5\u8282\u70b9\u4e0a\u7684\u76f4\u8fde\u8def\u7531\u3002\u66f4\u591a\u5185\u5bb9\u8bf7\u53c2\u89c1\u540e\u9762\u4ecb\u7ecd\u7684-IS-IS\u8fc7\u8f7d\u4f4d\u3002<\/span><\/p>\n

\n

IS Type\u5b57\u6bb5\uff1a<\/strong>\u7528\u6765\u6307\u660e\u751f\u6210\u6b64LSP\u7684IS-IS\u7c7b\u578b\u662fLevel-1\u8fd8\u662fLevel-2 IS-IS\uff0801\u8868\u793aLevel-1\uff0c11\u8868\u793aLevel-2\uff09\u3002<\/span><\/p>\n

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SNP<\/span><\/strong><\/span><\/p>\n

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\u5e8f\u5217\u53f7\u62a5\u6587SNP\uff08Sequence Number PDUs\uff09\u901a\u8fc7\u63cf\u8ff0\u5168\u90e8\u6216\u90e8\u5206\u6570\u636e\u5e93\u4e2d\u7684LSP\u6765\u540c\u6b65\u5404LSDB\uff08Link-State DataBase\uff09\uff0c\u4ece\u800c\u7ef4\u62a4LSDB\u7684\u5b8c\u6574\u4e0e\u540c\u6b65\u3002<\/span><\/p>\n

\n

SNP\u5305\u62ec\u5168\u5e8f\u5217\u53f7\u62a5\u6587CSNP\uff08Complete SNP\uff09\u548c\u90e8\u5206\u5e8f\u5217\u53f7\u62a5\u6587PSNP\uff08Partial SNP\uff09\uff0c\u8fdb\u4e00\u6b65\u53c8\u53ef\u5206\u4e3aLevel-1 CSNP\u3001Level-2 CSNP\u3001Level-1 PSNP\u548cLevel-2 PSNP\u3002<\/span><\/p>\n

\n

CSNP\u5305\u62ecLSDB\u4e2d\u6240\u6709LSP\u7684\u6458\u8981\u4fe1\u606f\uff0c\u4ece\u800c\u53ef\u4ee5\u5728\u76f8\u90bb\u8def\u7531\u5668\u95f4\u4fdd\u6301LSDB\u7684\u540c\u6b65\u3002\u5728\u5e7f\u64ad\u7f51\u7edc\u4e0a\uff0cCSNP\u7531DIS\u5b9a\u671f\u53d1\u9001\uff08\u7f3a\u7701\u7684\u53d1\u9001\u5468\u671f\u4e3a10\u79d2\uff09\uff1b\u5728\u70b9\u5230\u70b9\u94fe\u8def\u4e0a\uff0cCSNP\u53ea\u5728\u7b2c\u4e00\u6b21\u5efa\u7acb\u90bb\u63a5\u5173\u7cfb\u65f6\u53d1\u9001\u3002<\/span><\/p>\n

\n

PSNP\u53ea\u5217\u4e3e\u6700\u8fd1\u6536\u5230\u7684\u4e00\u4e2a\u6216\u591a\u4e2aLSP\u7684\u5e8f\u53f7\uff0c\u5b83\u80fd\u591f\u4e00\u6b21\u5bf9\u591a\u4e2aLSP\u8fdb\u884c\u786e\u8ba4\uff0c\u5f53\u53d1\u73b0LSDB\u4e0d\u540c\u6b65\u65f6\uff0c\u4e5f\u7528PSNP\u6765\u8bf7\u6c42\u90bb\u5c45\u53d1\u9001\u65b0\u7684LSP\u3002<\/span><\/p>\n

\n

\n

\n
\n
\n
\n
\n
\n
\n
0<\/strong>7<\/strong><\/span><\/section>\n
ISIS\u7684\u57fa\u7840\u914d\u7f6e\u6b65\u9aa4<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n

\n

\u5b9a\u4e49\u533a\u57df\u548c\u5730\u5740<\/strong><\/span><\/p>\n


\u5728ISIS\u4e2d\uff0c\u6240\u6709\u533a\u57df\u95f4\u6570\u636e\u6d41\u90fd\u5fc5\u987b\u7a7f\u8d8aL2\u4e3b\u5e72\u533a\u57df\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u89c4\u5212CLNS\u5730\u5740\uff0c\u4ee5\u5b9e\u73b0\u4e24\u7ea7\u7684\u5c42\u6b21\u7ed3\u6784\u3002\u5fc5\u987b\u786e\u5b9a\u54ea\u4e9b\u8def\u7531\u5668\u5c06\u4f5c\u4e3a\u4e3b\u5e72\uff08L2\uff09\u8def\u7531\u5668\uff0c\u54ea\u4e9b\u8def\u7531\u5668\u5c06\u4f5c\u4e3a\uff08L1\/L2\uff09 ABR\uff0c\u54ea\u4e9b\u8def\u7531\u5668\u4f5c\u4e3a\u5185\u90e8\u533a\u57df\uff08L1\uff09\u8def\u7531\u5668\u3002<\/span><\/p>\n

\n

\u5982\u679c\u6709\u4e9b\u8def\u7531\u5668\u5fc5\u987b\u540c\u65f6\u8fdb\u884cL1\u548cL2\u8def\u7531\u9009\u62e9\uff0c\u8fd8\u5e94\u786e\u5b9a\u63a5\u53e3\u53c2\u4e0e\u54ea\u79cd\u8def\u7531\u9009\u62e9\u3002<\/span><\/p>\n

\n

\u8def\u7531\u5668\u7684CLNS\u5730\u5740\u88ab\u79f0\u4e3aNET\uff0c\u5b83\u75313\u4e2a\u4e3b\u8981\u90e8\u5206\u7ec4\u6210\uff1a<\/strong><\/span><\/p>\n

\n

\n

– \u533a\u57df\u5730\u5740\uff08\u524d\u7f00\uff09\uff1a\u6807\u8bc6\u8def\u7531\u5668\u6240\u5728\u7684\u533a\u57df<\/span><\/p>\n


– \u7cfb\u7edfID\uff1a\u552f\u4e00\u5730\u6807\u8bc6\u8bbe\u5907\u3002\u5728Cisco\u8bbe\u5907\u4e0a\u4e3a\u5b9a\u957f6\u5b57\u8282\u3002\u5728\u6bcf\u4e2a\u533a\u57df\u4e2d\u7cfb\u7edfID\u5fc5\u987b\u8981\u4fdd\u8bc1\u552f\u4e00\u6027\u3002<\/span><\/p>\n


– NSEL\uff1a\u4f5c\u4e3aNET\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u5fc5\u987b\u4e3a0<\/span><\/p>\n

\n

\u542f\u7528\u96c6\u6210ISIS<\/span><\/strong><\/span><\/p>\n

\n

router(config)#router isis [area-tag]<\/span><\/p>\n


#\u5728\u5168\u5c40\u4e0b\u542f\u7528ISIS\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528\u53ef\u9009\u7684\u540d\u79f0\u6765\u6807\u8bc6\u591a\u4e2aISIS\u8fdb\u7a0b\uff08\u5c31\u50cf\u5728\u540c\u4e00\u53f0\u8def\u7531\u5668\u4e0a\u53ef\u4ee5\u5b58\u5728\u591a\u4e2aOSPF\u8fdb\u7a0b\u4e00\u6837\uff09\u3002\u8fdb\u7a0b\u540d\u79f0\u53ea\u5bf9\u672c\u5730\u6709\u610f\u4e49\uff1b\u5982\u679c\u7701\u7565\uff0c\u5219Cisco IOS\u8f6f\u4ef6\u5c06\u5047\u5b9a\u5b83\u4e3a0\u3002<\/span><\/p>\n

\n

\u5982\u679c\u8981\u4f7f\u7528\u591a\u4e2aISIS\u8fdb\u7a0b\uff0c\u5219\u8fdb\u884c\u7f51\u7edc\u89c4\u5212\u65f6\u5e94\u914d\u7f6e\u54ea\u4e9b\u63a5\u53e3\u5206\u522b\u53c2\u4e0e\u54ea\u4e9bISIS\u8fdb\u7a0b\u3002<\/span><\/p>\n

\n

router(config)#clns routing<\/span><\/p>\n

\n

#\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cIP\u8def\u7531\u9009\u62e9\u88ab\u542f\u7528\uff0c\u800cCLNS\u8def\u7531\u9009\u62e9\u662f\u88ab\u7981\u7528\u7684\u3002\u8981\u542f\u7528CLNS\u8def\u7531\u9009\u62e9\uff0c\u9664\u4e86\u5728\u5168\u5c40\u6a21\u5f0f\u4e0b\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\u4ee5\u5916\uff0c\u8fd8\u5fc5\u987b\u5728\u6bcf\u4e2a\u63a5\u53e3\u4e0a\u542f\u7528CLNS\u8def\u7531\u9009\u62e9\u3002\u5728TCP\/IP\u73af\u5883\u4e2d\u53ef\u4ee5\u4e0d\u5fc5\u8981\u5f00\u542f\u8fd9\u4e2a\u529f\u80fd\u3002<\/span><\/p>\n

\n

\u914d\u7f6e\u8def\u7531\u5668\u7684NET<\/strong><\/span><\/p>\n

\n

router(config-router)#net 49.0000.0000.0000.0001.00<\/span><\/p>\n

\n

#\u914d\u7f6eNET\u4ee5\u6807\u8bc6\u8def\u7531\u5668\u3002\u5373\u4f7f\u53ea\u5c06ISIS\u7528\u4e8eIP\u8def\u7531\u9009\u62e9\uff08\u6ca1\u6709\u542f\u7528CLNS\u8def\u7531\u9009\u62e9\uff09\uff0c\u4e5f\u5fc5\u987b\u914d\u7f6eNET\u3002\u56e0\u4e3a\u96c6\u6210ISIS\u4f9d\u8d56\u4e8eCLNS\u8def\u7531\u9009\u62e9\u7684\u652f\u6301\u3002<\/span><\/p>\n

\n

\u5728\u9002\u5f53\u7684\u63a5\u53e3\u4e0a\u542f\u7528\u96c6\u6210ISIS<\/strong><\/span><\/p>\n

\n

\u5305\u62ec\u90a3\u4e9b\u8fde\u63a5\u5230\u672b\u8282IP\u7f51\u7edc\u7684\u63a5\u53e3\uff0c\u6bd4\u5982\u73af\u56de\u63a5\u53e3\uff08\u5c3d\u7ba1\u4ed6\u4eec\u6ca1\u6709CLNS\u90bb\u5c45\uff09<\/span><\/p>\n


router(config-if)#ip router isis [area-tag]<\/span><\/p>\n


#\u5728\u9700\u8981\u4f7f\u7528ISIS\u6765\u5206\u53d1\u5176\u8def\u7531\u9009\u62e9\u4fe1\u606f\u7684\u63a5\u53e3\u4e0a\u8fdb\u884c\u914d\u7f6e\u3002\u5982\u679c\u6709\u591a\u4e2aISIS\u8fdb\u7a0b\uff0c\u8fd8\u5fc5\u987b\u4f7f\u7528area-tag\u5b57\u6bb5\u6307\u660e\u6b64\u63a5\u53e3\u5c5e\u4e8e\u54ea\u4e2aISIS\u8fdb\u7a0b\u3002<\/span><\/p>\n

\n

router(config-if)#clns router isis [area-tag]<\/span><\/p>\n

\n

#\u5728\u63a5\u53e3\u4e0a\u542f\u7528ISIS\u8def\u7531\u9009\u62e9\u8fdb\u7a0b\uff0c\u4ee5\u652f\u6301CLNS\u8def\u7531\u9009\u62e9\u3002<\/span><\/p>\n

\n

\n

\n
\n
\n
\n
\n
\n
\n
0<\/strong>8<\/strong><\/span><\/section>\n
\u4f18\u5316ISIS\u914d\u7f6e<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n

\n

\u4fee\u6539ISIS\u8def\u7531\u5668\u7684\u7ea7\u522b<\/strong><\/span><\/p>\n

\n

router(config-router)#is-type {level-1\/level-1-2\/level-2-only}<\/span><\/p>\n

\n

#\u9ed8\u8ba4\u7684ISIS\u914d\u7f6e\u5c06\u8def\u7531\u5668\u8bbe\u7f6e\u4e3aL1\/L2\u8def\u7531\u5668\u3002\u8fd9\u79cd\u914d\u7f6e\u7684\u7f3a\u70b9\u5c31\u662f\u8def\u7531\u5668\u9700\u8981\u540c\u65f6\u53d1\u9001L1\u548cL2 Hello\uff0c\u5e76\u9700\u8981\u540c\u65f6\u7ef4\u62a4L1\u548cL2 LSDB\u3002<\/span><\/p>\n

\n

\u4fee\u6539ISIS\u63a5\u53e3\u7ea7\u522b<\/strong><\/span><\/p>\n

\n

router(config-if)#isis circuit-type {level-1\/level-1-2\/level-2-only}<\/span><\/p>\n

\n

#\u5c3d\u7ba1\u8def\u7531\u5668\u53ef\u4ee5\u914d\u7f6e\u6210L1\/L2\u8def\u7531\u5668\uff0c\u4f46\u662f\u53ef\u80fd\u5e76\u4e0d\u9700\u8981\u5728\u5176\u6240\u6709\u63a5\u53e3\u4e0a\u5efa\u7acb\u4e24\u79cd\u7c7b\u578b\u7684\u90bb\u63a5\u5173\u7cfb\u3002\u4e3a\u4e86\u8ba9ISIS\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\u6548\u7387\u66f4\u9ad8\uff0c\u9700\u8981\u5c06\u63a5\u53e3\u914d\u7f6e\u6210\u53ea\u53d1\u9001\u5fc5\u8981\u7c7b\u578b\u7684Hello\u62a5\u6587\u3002<\/span><\/p>\n

\n

\u4fee\u6539ISIS\u5ea6\u91cf\u503c<\/strong><\/span><\/p>\n

\n

router(config-if)#isis metric metric_number {level-1\/level-2}<\/span><\/p>\n

\n

#ISIS\u89c4\u8303\u5b9a\u4e49\u4e864\u79cd\u5ea6\u91cf\u503c\u3002\u9ed8\u8ba4\u5ea6\u91cf\u503c\u4e3a\u6210\u672c\uff0c\u6240\u6709\u8def\u7531\u5668\u90fd\u652f\u6301\u5b83\uff1b\u5ef6\u8fdf\u3001\u82b1\u8d39\u548c\u5dee\u9519\u662f\u53ef\u9009\u7684\u5ea6\u91cf\u503c\u3002\u5ef6\u8fdf\u5ea6\u91cf\u503c\u6307\u7684\u662f\u4f20\u8f93\u5ef6\u8fdf\uff0c\u82b1\u8d39\u662f\u94fe\u8def\u7684\u7ecf\u6d4e\u6210\u672c\uff0c\u5dee\u9519\u5ea6\u91cf\u503c\u6307\u7684\u662f\u94fe\u8def\u51fa\u73b0\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002\u5bf9\u4e8e\u540c\u4e00\u4e2a\u63a5\u53e3\uff0c\u53ef\u4ee5\u4e3aL1\u548cL2\u6307\u5b9a\u4e0d\u540c\u7684\u5ea6\u91cf\u503c\u3002metric\u53d6\u503c\u8303\u56f4\u4e3a1~63\u3002<\/span><\/p>\n

\n

\u914d\u7f6eISIS\u7684IP\u8def\u7531\u6c47\u603b<\/strong><\/span><\/p>\n

\n

router(config-router)#summary-address prefix mask [level-1\/level-1-2\/level-2] [tag tag-number] [metric metric_value]<\/span><\/p>\n

\n

#\u8def\u7531\u5668\u5c06IP\u8def\u7531\u6c47\u603b\u4e3aL1\u3001L2\u6216L1\/L2\uff0c\u9ed8\u8ba4\u4e3aL2\uff08level-2\uff09\u3002<\/span><\/p>\n

\n

\u53ef\u9009\u7684tag-number\u7528\u4e8e\u6807\u8bb0\u6c47\u603b\u7684\u8def\u7531\uff0c\u53ef\u9009\u7684metric_value\u7528\u4e8e\u6307\u5b9a\u6c47\u603b\u8def\u7531\u7684\u5ea6\u91cf\u503c\u3002<\/span><\/p>\n

\n

\u867d\u7136\u8fd9\u4e2a\u547d\u4ee4\u9002\u7528\u4e8e\u6240\u6709\u7684ISIS\u8def\u7531\u5668\uff0c\u4f46\u5b83\u53ea\u80fd\u6c47\u603b\u6765\u81f3\u5916\u90e8ISIS\u7684L1\u8def\u7531\uff08\u91cd\u5206\u53d1\u5230ISIS L1\u4e2d\u7684\u8def\u7531\uff09\u3002<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

01 IS-IS\u8def\u7531\u534f\u8bae\u7b80\u4ecb IS-IS\u662f\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7ISO\u4e3a\u5b83\u7684\u65e0\u8fde\u63a5\u7f51\u7edc\u534f\u8baeCLNP\u8bbe\u8ba1\u7684\u4e00\u79cd\u52a8\u6001\u8def\u7531\u534f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,2],"tags":[],"class_list":["post-9852","post","type-post","status-publish","format-standard","hentry","category-cisco","category-network"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9852"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9852\/revisions"}],"predecessor-version":[{"id":9965,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9852\/revisions\/9965"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}