{"id":33208,"date":"2025-04-27T02:52:37","date_gmt":"2025-04-26T18:52:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/33208.html"},"modified":"2025-04-27T02:52:37","modified_gmt":"2025-04-26T18:52:37","slug":"%e4%b8%ad%e9%97%b4%e7%b3%bb%e7%bb%9f-spf%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/33208.html","title":{"rendered":"\u4e2d\u95f4\u7cfb\u7edf-SPF\u8ba1\u7b97"},"content":{"rendered":"

SPF\u8ba1\u7b97<\/p>\n

\"\"<\/p>\n

isis\u5982\u4f55\u8ba1\u7b97\u8def\u7531：\u4ee5\u81ea\u5df1\u4e3a\u6839\u6784\u5efaSPF\u6811，\u4e4b\u540e\u586b\u5145\u53f6\u5b50\u3002<\/p>\n

<R1>display isis\u00a0 lsdb\u00a0 0000.0000.0001.00-00 verbose\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/\u67e5\u770blsp\u7684\u8be6\u7ec6\u4fe1\u606f<\/p>\n

\n

\u00a0SOURCE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0001.00\u00a0 \u00a0 \u00a0 \u00a0\/\/\u6e90\u8282\u70b9\u7cfb\u7edf，\u7528\u4e8e\u6807\u8bc6\u4ea7\u751f\u8be5LSP\u7684\u8def\u7531\u5668\u3002<\/p>\n

\u00a0NLPID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IPV4\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/\u534f\u8bae\u652f\u6301，LSP\u4e2d\u643a\u5e26\u4e3aIPv4\u4fe1\u606f\u3002<\/p>\n

\u00a0AREA ADDR\u00a0\u00a0\u00a0 49\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/\u4ea7\u751f\u8be5LSP\u8def\u7531\u5668\u7684\u533a\u57df\u3002<\/p>\n

\u00a0INTF ADDR\u00a0\u00a0\u00a0 1.1.1.1\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/\u6807\u8bc6\u4ea7\u751fLSP\u8def\u7531\u5668\u542f\u7528ISIS\u63a5\u53e3\u7684IP\u5730\u5740\u3002<\/p>\n

\u00a0INTF ADDR\u00a0\u00a0\u00a0 12.1.1.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0002.00\u00a0 COST: 10\u00a0<\/p>\n

\u00a0\/\/\u4f2a\u8282\u70b9\u6807\u8bc6\u4e3a00，\u4ee3\u8868\u8fde\u63a5\u4e86\u4e00\u4e2ap2p\u90bb\u5c45，\u5230\u8fbe\u90bb\u5c45\u7684cost\u503c\u4e3a10\u3002\u56e0\u4e3aisis\u7f51\u7edc\u4e2d\u53ea\u6709p2p\u548c\u5e7f\u64ad，\u6240\u4ee5\u53ea\u8981\u8fde\u63a5\u7684\u662f\u5b9e\u7ed3\u70b9，\u5c31\u8bf4\u660e\u63a5\u53e3\u7684\u7f51\u7edc\u7c7b\u578b\u4e3ap2p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u00a0IP-Internal\u00a0 1.1.1.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0\u00a0\u00a0\u00a0 COST: 0\u00a0\u00a0\u00a0<\/p>\n

\/\/\u7528\u4e8e\u63cf\u8ff0\u81ea\u8eab\u7684\u76f4\u8fde\u7f51\u7edc\u3001\u63a9\u7801\u4fe1\u606f\u53ca\u81ea\u8eab\u5230\u8fbe\u76ee\u7684\u7f51\u7edc\u7684cost\u00a0<\/p>\n

\u00a0IP-Internal\u00a0 12.1.1.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0\u00a0\u00a0\u00a0 COST: 10\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\/\/\u770b\u5b8c0001\u7684\u4e4b\u540e\u770b\u90bb\u5c450002\u7684LSP\u76f8\u5173\u4fe1\u606f，\u8ba1\u7b97\u8def\u7531<\/p>\n

[R1]display\u00a0 isis\u00a0 lsdb\u00a0 0000.0000.0002.00-00\u00a0 verbose<\/p>\n

\u00a0SOURCE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0002.00<\/p>\n

\u00a0NLPID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IPV4<\/p>\n

\u00a0AREA ADDR\u00a0\u00a0\u00a0 49<\/p>\n

\u00a0INTF ADDR\u00a0\u00a0\u00a0 12.1.1.2<\/p>\n

\u00a0INTF ADDR\u00a0\u00a0\u00a0 2.2.2.2<\/p>\n

\u00a0INTF ADDR\u00a0\u00a0\u00a0 22.1.1.2<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0001.00\u00a0 COST: 10\u00a0<\/p>\n

\/\/\u4f2a\u8282\u70b9\u6807\u8bc6\u4e3a00，\u4ee3\u8868\u8fde\u63a5\u4e86\u4e00\u4e2ap2p\u90bb\u5c45，\u5230\u8fbe\u90bb\u5c45\u7684cost\u503c\u4e3a10\u3002<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0002.01\u00a0 COST: 10\u00a0<\/p>\n

\/\/\u4f2a\u8282\u70b9\u6807\u8bc6\u4e3a\u975e00，\u4ee3\u8868\u8fde\u63a5\u4e86\u4e00\u4e2a\u4f2a\u8282\u70b9，System id\u53d6\u503c\u4e3aDIS\u7684\u7cfb\u7edfID\u3002\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u00a0IP-Internal\u00a0 12.1.1.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0\u00a0\u00a0\u00a0 COST: 10\u00a0\u00a0<\/p>\n

\/\/\u7528\u4e8e\u63cf\u8ff0\u81ea\u8eab\u7684\u76f4\u8fde\u7f51\u7edc\u3001\u63a9\u7801\u4fe1\u606f\u53ca\u81ea\u8eab\u5230\u8fbe\u76ee\u7684\u7f51\u7edc\u7684cost\u00a0\u00a0\u00a0<\/p>\n

\u00a0IP-Internal\u00a0 2.2.2.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0\u00a0\u00a0\u00a0 COST: 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u00a0IP-Internal\u00a0 22.1.1.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.255.0\u00a0\u00a0\u00a0 COST: 10<\/p>\n

\/\/\u67e5\u770b\u4f2a\u8282\u70b9\u7684LSP\u8be6\u7ec6\u4fe1\u606f<\/p>\n

[R1]display isis lsdb\u00a0 0000.0000.0002.01-00 verbose<\/p>\n

\n

\u00a0SOURCE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0002.01\u00a0<\/p>\n

\/\/\u4f2a\u8282\u70b9\u6807\u8bc6\u4e3a\u975e00，\u4ee3\u8868\u4e3a\u4f2a\u8282\u70b9LSP，System id\u53d6\u503c\u4e3aDIS\u7cfb\u7edfID<\/p>\n

\u00a0NLPID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IPV4<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0002.00\u00a0 COST: 0\u00a0 \/\/\u7528\u4e8e\u63cf\u8ff0\u4f2a\u8282\u70b9\u4e0a\u7684\u90bb\u5c45\u4fe1\u606f\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0003.00\u00a0 COST: 0\u00a0<\/p>\n

\u00a0NBR\u00a0 ID\u00a0\u00a0\u00a0\u00a0\u00a0 0000.0000.0004.00\u00a0 COST: 0<\/p>\n

\/\/\u4e4b\u540e\u5728\u67e5\u770b3\u30014\u7684LSP\u7684\u8be6\u7ec6\u4fe1\u606f，\u5c31\u80fd\u5b8c\u6210\u8def\u7531\u7684\u8ba1\u7b97\u4e86\u3002<\/p>\n

\n

\u591a\u533a\u57dfSPF\u8ba1\u7b97<\/p>\n

\"\"<\/p>\n

1\u3001L1\u7684\u8def\u7531\u5668\u53ea\u7ef4\u62a4L1\u7684\u94fe\u8def\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n

2\u3001L2\u7684\u8def\u7531\u5668\u53ea\u7ef4\u62a4L2\u7684\u94fe\u8def\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n

3\u3001L1\/2\u7684\u8def\u7531\u5668\u5373\u7ef4\u62a4L1\u7684\u94fe\u8def\u72b6\u6001\u6570\u636e，\u4e5f\u7ef4\u62a4L2\u7684\u94fe\u8def\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n

\n

L2\u7684\u8def\u7531\u5668\u4f7f\u7528L2\u7684LSP\u63cf\u8ff0\u81ea\u8eab\u6240\u6709\u7684\u94fe\u8def\u72b6\u6001，\u65e0\u8bba\u94fe\u8def\u7ea7\u522b\u3002<\/p>\n

L2\u7684\u8def\u7531\u5668\u4f7f\u7528L1\u7684LSP\u63cf\u8ff0\u81ea\u8eab\u6240\u6709\u7684\u94fe\u8def\u72b6\u6001，\u65e0\u8bba\u94fe\u8def\u7ea7\u522b\u3002<\/p>\n

L1\/2\u7684\u8def\u7531\u5668\u94fe\u8def\u72b6\u6001\u7684\u63cf\u8ff0\u548c\u94fe\u8def\u7ea7\u522b\u6709\u5173，\u53d6\u4ea4\u96c6\u5904\u3002<\/p>\n

\n

\u9aa8\u5e72\u533a\u57df\u5982\u4f55\u8bbf\u95ee\u975e\u9aa8\u5e72\u533a\u57df：<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b，L1\/2\u7684\u8def\u7531\u5668\u4f1a\u5c06L1\u7684\u8def\u7531\u4ee5\u53f6\u5b50\u7684\u5f62\u5f0f\u653e\u5165\u5230\u81ea\u8eab\u4ea7\u751f\u7684L2\u7684LSP\u4e2d\u5373L2\u7684\u8def\u7531\u5668\u6765\u8bf4\u8ba1\u7b97\u51fa\u7684L1\u7684\u8def\u7531\u5c31\u8ba4\u4e3a\u662fL1\/2\u8def\u7531\u5668\u4e0a\u7684\u53f6\u5b50\u4fe1\u606f\u3002<\/p>\n

\n

\u9488\u5bf9OSPF\u6765\u8bf4：\u533a\u57df\u95f4\u8def\u7531\u8ba1\u7b97\u4f7f\u7528\u7684\u662f\u94fe\u8def\u72b6\u6001\u7b97\u6cd5\u548c\u8ddd\u79bb\u77e2\u91cf\u8ba1\u7b97\u3002<\/p>\n

\u9488\u5bf9ISIS\u6765\u8bf4：ISIS\u7684\u8def\u7531\u8ba1\u7b97\u662f\u4e00\u4e2a\u533a\u57df\u7684\u94fe\u8def\u72b6\u6001\u8ba1\u7b97\u3002<\/p>\n

\n

\u975e\u9aa8\u5e72\u533a\u57df\u5982\u4f55\u8bbf\u95ee\u9aa8\u5e72\u533a\u57df：\u975e\u9aa8\u5e72\u533a\u57df\u5185\u90e8\u7684\u8def\u7531\u5668\u901a\u8fc7\u7f3a\u7701\u8def\u7531\u8bbf\u95ee\u9aa8\u5e72\u533a\u57df\u3002<\/p>\n

\n

\u975e\u9aa8\u5e72\u533a\u57df\u7684\u7f3a\u7701\u5982\u4f55\u4ea7\u751f？<\/p>\n

L1\/2\u7684\u8def\u7531\u5668\u5728\u4ea7\u751fL1\u7684LSP\u4e2d\u5c06ATT bit\u7f6e\u4f4d\u4e3a1，\u6b64\u65f6\u53ea\u5efa\u7acbL1\u90bb\u5c45\u7684\u8def\u7531\u5668\u5c06\u4f1a\u6839\u636eATT bit\u7f6e\u4f4d\u4e3a1\u7684LSP\u4ea7\u751f\u4e00\u6761\u6307\u5411\u8be5L1\/2\u8def\u7531\u5668\u7684\u7f3a\u7701\u8def\u7531\u3002<\/p>\n

\n

ATT（\u9aa8\u5e72\u533a\u57df\u8fde\u63a5\u7b26）：\u8868\u9762L1\/2\u7684\u8def\u7531\u5668\u4e0e\u9aa8\u5e72\u533a\u57df\u8fde\u63a5\u7740，\u7528\u4e8e\u6307\u5bfc\u975e\u9aa8\u5e72\u533a\u57df\u8bbf\u95ee\u9aa8\u5e72\u533a\u57df\u3002<\/p>\n

ATT bit\u7684\u7279\u70b9：<\/p>\n

\u00a0 1\u3001L1\/2\u7684\u8def\u7531\u5668\u81f3\u5c11\u5b58\u5728\u4e00\u4e2a\u4e0d\u5728\u76f8\u540c\u533a\u57df\u7684L2\u7684\u90bb\u5c45，ATT bit\u624d\u4f1a\u7f6e\u4f4d\u4e3a1\u3002<\/p>\n

\u00a0 2\u3001ATT bit\u53ea\u5728L1\u7684LSP\u4e2d\u624d\u4f1a\u7f6e\u4f4d\u4e3a1\u3002<\/p>\n

\u00a0 3\u3001\u5982\u679c\u5728\u9aa8\u5e72\u533a\u57df\u6ca1\u7528L2\u7684\u90bb\u5c45\u5c06\u4e0d\u4f1a\u4ea7\u751fATT bit\u7f6e\u4f4d\u4e3a1，\u6b64ATT bit\u4e5f\u4e0d\u5177\u5907\u6307\u5bfc\u62a5\u6587\u8bbf\u95ee\u9aa8\u5e72\u533a\u57df\u3002<\/p>\n

\n

\u975e\u9aa8\u5e72\u533a\u57df\u7f3a\u7701\u8def\u7531\u7684\u7279\u70b9：<\/p>\n

\u00a0 1\u3001L1\u7684\u8def\u7531\u5668\u53ef\u4ee5\u901a\u8fc7ATT bit\u7f6e\u4f4d\u4e3a1\u7684LSP，\u53d1\u73b0\u672c\u533a\u57df\u7684L1\/2\u7684\u8def\u7531\u5668\u5b58\u5728\u3002<\/p>\n

\u00a0 2\u3001\u7f3a\u7701\u8def\u7531\u662fL1\u7684\u8def\u7531\u5668\u81ea\u5df1\u4ea7\u751f\u7684，\u800c\u4e0d\u662fL1\/2\u7684\u8def\u7531\u5668\u901a\u8fc7\u7ed9L1\u7684\u8def\u7531\u3002<\/p>\n

\u00a0 3\u3001\u7f3a\u7701\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u5730\u5740\u662f\u81ea\u8eab\u53bb\u5f80\u8be5LSP\u4ea7\u751f\u8005\u7684\u6700\u77ed\u8def\u5f84\u7684\u4e0b\u4e00\u8df3\u3002<\/p>\n

\u00a0 4\u3001\u7f3a\u7701\u8def\u7531\u7684Cost\u503c\u662f\u81ea\u8eab\u53bb\u5f80\u8be5LSP\u4ea7\u751f\u7740\u7684\u6700\u77ed\u8def\u5f84\u6811\u7684Cost\u3002<\/p>\n

\n

ATT bit\u63a7\u5236\u00a0 <\/p>\n

\u00a0 [R3-isis-1]attached-bit advertise always \/\/\u914d\u7f6eISIS\u8def\u7531\u5668\u603b\u662f\u5c06ATT bit\u7f6e\u4f4d\u4e3a1（\u4ec5\u5728L1\/2\u7684\u8def\u7531\u5668\u4e0a\u751f\u6548）<\/p>\n

\u00a0 [R3-isis-1]attached-bit advertise never\u00a0 \/\/\u914d\u7f6eISIS\u8def\u7531\u5668\u603b\u662f\u5c06ATT bit\u7f6e\u4f4d\u4e3a0（\u4ec5\u5728L1\/2\u7684\u8def\u7531\u5668\u4e0a\u751f\u6548）<\/p>\n

\u00a0 [R1-isis-1]attached-bit avoid-learning\u00a0\u00a0 \/\/\u914d\u7f6eISIS\u8def\u7531\u5668\u4e0d\u8ba1\u7b97ATT bit（\u4ec5\u5728L1\u7684\u8def\u7531\u5668\u4e0a\u914d\u7f6e\u751f\u6548）<\/p>\n

\n

\u901a\u8fc7\u7f3a\u7701\u8def\u7531\u8bbf\u95ee\u9aa8\u5e72\u533a\u57df\u6709\u4ec0\u4e48\u6837\u7684\u4f18\u70b9\u548c\u7f3a\u70b9？<\/p>\n

\u4f18\u70b9：<\/p>\n

\u00a0 1\u3001\u8282\u7701\u8bbe\u5907\u8d44\u6e90，\u4e0d\u9700\u8981\u7ef4\u62a4\u660e\u7ec6\u8def\u7531\u3002<\/p>\n

\u00a0 2\u3001\u5f53\u9aa8\u5e72\u533a\u57df\u660e\u7ec6\u8def\u7531\u51fa\u73b0\u9707\u8361\u4e4b\u540e，\u4e0d\u4f1a\u5f71\u54cd\u975e\u9aa8\u5e72\u533a\u57df，\u66f4\u52a0\u7a33\u5b9a\u3002<\/p>\n

\u7f3a\u70b9：<\/p>\n

\u00a0 1\u3001\u53ef\u80fd\u5e26\u6765\u6b21\u4f18\u8def\u5f84\u3002\u5982\u4e0a\u56feR2\u3001R3\u5230SW1\u7684Cost\u53ef\u80fd\u4e0d\u540c，\u4f46\u662fAR1\u65e0\u6cd5\u8ba1\u7b97\u3002<\/p>\n

\u00a0 2\u3001\u4e0d\u6ee1\u8db3\u660e\u7ec6\u8def\u7531\u7684\u62a5\u6587\u90fd\u53d1\u9001\u7ed9ATT bit\u7f6e\u4f4d\u4e3a1\u7684L1\/2\u7684\u8def\u7531\u5668，\u4f46\u662fL1\/2\u7684\u8def\u7531\u5668\u53ef\u80fd\u4e0d\u80fd\u5c06\u8fd9\u4e9b\u62a5\u6587\u8f6c\u53d1，\u5bfc\u81f4\u8def\u7531\u9ed1\u6d1e\u3002<\/p>\n

\n

\u5982\u4f55\u89e3\u51b3\u6b21\u4f18\u8def\u5f84？<\/p>\n

\u00a0 1\u3001\u624b\u52a8\u8c03\u6574\u7f3a\u7701\u8def\u7531\u7684Cost，\u540c\u65f6\u4fee\u6539\u94fe\u8def\u5f00\u9500\u3002<\/p>\n

\u00a0 2\u3001\u9488\u5bf9\u4e0d\u540c\u7684\u4e0b\u4e00\u8df3\u8bbe\u7f6e\u6743\u503c\u3002<\/p>\n

\u00a0 3\u3001\u5728L1\/2\u7684\u8def\u7531\u5668\u4e0a\u5c06L2\u7684\u8def\u7531\u6cc4\u9732\u5230L1\u7684LSP\u4e2d\u3002<\/p>\n

[R2-isis-1]import-route isis level-2 into level-1 \/\/\u5c06\u4eceL2\u7684\u8def\u7531\u6cc4\u9732\u5230L1\u7684LSP\u4e2d，\u4f46\u662f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u73af\u8def<\/p>\n

\n

ISIS\u533a\u57df\u95f4\u9632\u73af\u673a\u5236：<\/p>\n

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