{"id":9858,"date":"2022-05-17T18:16:38","date_gmt":"2022-05-18T01:16:38","guid":{"rendered":"https:\/\/www.xh86.me\/?p=9858"},"modified":"2022-05-17T18:16:38","modified_gmt":"2022-05-18T01:16:38","slug":"%e7%bd%91%e5%b7%a5%e8%b7%af%e7%94%b1%e5%9f%ba%e7%a1%80%ef%bc%884%ef%bc%89ospf%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=9858","title":{"rendered":"\u7f51\u5de5\u8def\u7531\u57fa\u7840\uff084\uff09OSPF\u534f\u8bae"},"content":{"rendered":"
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0<\/strong>1<\/strong><\/span><\/section>\n
OSPF\u662f\u4ec0\u4e48<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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\u5728\u540c\u4e00\u4e2aOSPF\u81ea\u5236\u7cfb\u7edf\u5185\u6bcf\u4e00\u53f0\u8fd0\u884cOSPF\u534f\u8bae\u7684\u8def\u7531\u5668\u603b\u662f\u5c06\u672c\u5730\u7f51\u7edc\u7684\u8fde\u63a5\u72b6\u6001\u7528LSA\uff08\u94fe\u8def\u72b6\u6001\u901a\u544a\uff09\u63cf\u8ff0\uff0c\u5e76\u5e7f\u64ad\u5230\u6574\u4e2a\u81ea\u5236\u7cfb\u7edf\u4e2d\u53bb\u3002<\/p>\n

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\u8fd9\u6837\uff0c\u6bcf\u53f0\u8def\u7531\u5668\u90fd\u6536\u5230\u4e86\u81ea\u5236\u7cfb\u7edf\u4e2d\u6240\u6709\u8def\u7531\u5668\u751f\u6210\u7684LSA\uff0c\u8fd9\u4e9bLSA\u7684\u96c6\u5408\u7ec4\u6210\u4e86LSDB\uff08\u94fe\u8def\u72b6\u6001\u6570\u636e\u5e93\uff09\uff0c\u8fd9\u6837\u6240\u6709\u7684OSPF\u8def\u7531\u5668\u90fd\u7ef4\u62a4\u4e00\u4e2a\u76f8\u540c\u7684\u63cf\u8ff0\u81ea\u6cbb\u7cfb\u7edf\u5185\u90e8\u7ed3\u6784\u7684\u6570\u636e\u5e93\u3002<\/p>\n

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0<\/strong>2<\/strong><\/span><\/section>\n
\u7279\u70b9<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    \u516c\u6709\u534f\u8bae\uff0c\u7ba1\u7406\u8ddd\u79bb\u662f110\uff1bIP\u534f\u8bae\u53f7\u4e3a89<\/p>\n<\/li>\n

  • \n

    OSPF\u8def\u7531\u534f\u8bae\u91c7\u7528cost\u4f5c\u4e3a\u5ea6\u91cf\u6807\u51c6\uff1b<\/p>\n<\/li>\n

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    \u6bcf\u969430\u5206\u949f\u5b9a\u65f6\u53d1\u9001\u66f4\u65b0\uff0c\u89e6\u53d1\u66f4\u65b0<\/p>\n<\/li>\n

  • \n

    \u652f\u6301\u7b49\u4ef7\u8d1f\u8f7d\u5747\u8861\uff1b<\/p>\n<\/li>\n

  • \n

    \u652f\u6301\u533a\u57df\u5212\u5206\uff0c\u6784\u6210\u5c42\u6b21\u5316\u7684\u7f51\u7edc\uff0c\u63d0\u4f9b\u8def\u7531\u5206\u7ea7\u7ba1\u7406\uff1b<\/p>\n<\/li>\n

  • \n

    \u652f\u6301\u7b80\u5355\u53e3\u4ee4\u548cMD5\u8ba4\u8bc1\uff1b<\/p>\n<\/li>\n

  • \n

    \u4ee5\u7ec4\u64ad\u65b9\u5f0f(224.0.0.5\u6216224.0.0.6)\u4f20\u9001\u534f\u8bae\u6570\u636e\u5305\uff1b<\/p>\n<\/li>\n

  • \n

    OSPF\u7ef4\u62a4\u90bb\u5c45\u8868\u3001\u62d3\u6251\u8868\u548c\u8def\u7531\u8868\u3002<\/p>\n<\/li>\n<\/ul>\n<\/section>\n

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    0<\/strong>3<\/strong><\/span><\/section>\n
    OSPF\u533a\u57df<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    <\/div><\/p>\n

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    0<\/strong>4<\/strong><\/span><\/section>\n
    OSPF COST\u8ba1\u7b97<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    <\/div><\/p>\n

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    0<\/strong>5<\/strong><\/span><\/section>\n
    OSPF\u4e09\u5f20\u8868<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    <\/div><\/p>\n

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    0<\/strong>6<\/strong><\/span><\/section>\n
    OSPF\u90bb\u63a5\u4e0e\u90bb\u5c45\u533a\u522b<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    0<\/strong>7<\/strong><\/span><\/section>\n
    OSPF Router-ID<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    \u00a0Router-ID\u7528\u6765\u6807\u8bc6\u540c\u4e00\u4e2aOSPF\u57df\u4e2d\u7684\u8def\u7531\u5668\uff0c\u5168\u7f51\u552f\u4e00\u3002<\/p>\n

    LSBDs\u4e2d\uff0c\u4f7f\u7528Router-ID\u533a\u5206\u4e0d\u540c\u7684\u8def\u7531\u5668\u3002<\/p>\n

    Router-ID\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u6307\u5b9a\uff0c\u6216\u8005\u81ea\u52a8\u9009\u4e3e\u3002<\/p>\n

    \u81ea\u52a8\u9009\u4e3e\uff1a<\/strong>\u82e5\u6709Loopback\u63a5\u53e3\uff0c\u5219\u9009\u6700\u5927\u7684Loopback\u63a5\u53e3\uff0c\u82e5\u65e0\uff0c\u5219\u9009\u4e3e\u6d3b\u8dc3\u7684\u7269\u7406\u63a5\u53e3\u4e2dIP\u5730\u5740\u4e3a\u6700\u5927\u7684\u3002<\/p>\n

    \u624b\u52a8\u6307\u5b9a\uff1a<\/strong>(config-router)#router-id 1.1.1.1\u3002<\/p>\n

    \u60f3\u8ba9\u624b\u52a8\u6307\u5b9a\u7684Router-ID\u751f\u6548.\u5fc5\u987b\u6e05\u9664\u8fdb\u7a0b\uff0cclear ip ospf process\u3002<\/span><\/p>\n

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    0<\/strong>8<\/strong><\/span><\/section>\n
    OSPF DR\/BDR<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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    <\/div><\/p>\n

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    OSPF\u8def\u7531\u5668\u4e5f\u662f\u901a\u8fc7Hello\u6570\u636e\u62a5\u6587\u6765\u53d1\u73b0\u90bb\u5c45\uff0c\u7136\u540e\u8fdb\u51652-Way\u72b6\u6001\uff0c\u5728\u8fd9\u4e2a\u72b6\u6001\u4e0b\u9009\u4e3eDR\u548cBDR\u3002<\/p>\n

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    \u9009\u4e3e\u662f\u5229\u7528Hello\u62a5\u6587\u5185\u7684ID\u548cPriority(\u4f18\u5148\u7ea7)\u6765\u786e\u5b9a\u3002\u4f18\u5148\u7ea7\u5927\u5c0f\u4e3a0-255(\u9ed8\u8ba4\u503c\u4e3a1\uff0c0\u4ee3\u8868\u4e0d\u53c2\u52a0\u9009\u4e3e)\u3002<\/p>\n

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    \u4f18\u5148\u7ea7\u503c\u6700\u9ad8\u7684\u8def\u7531\u5668\u6210\u4e3aDR\u3002<\/p>\n

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    \u4fee\u6539\u63a5\u53e3\u4f18\u5148\u7ea7\u00a0\u00a0ip ospf priority xx<\/span><\/p>\n

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    \u5982\u679c\u4f18\u5148\u7ea7\u503c\u5927\u5c0f\u4e00\u6837\uff0c\u5219Router-ID\u6700\u9ad8\u7684\u8def\u7531\u5668\u9009\u4e3e\u4e3aDR\uff0cRouter-ID\u6b21\u4e4b\u4e3aBDR\u3002<\/p>\n

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    \u5e76\u4e14DR\u5177\u6709\u975e\u62a2\u5360\u6027\uff0c\u8981\u4e48\u91cd\u542f\u8def\u7531\u5668\uff0c\u8981\u4e48clear ip ospf process\u3002<\/span><\/p>\n

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    DR\u8d1f\u8d23\u5411\u5176\u4ed6\u8def\u7531\u5668\u53d1\u9001\u66f4\u65b0\u4fe1\u606f\uff0cBDR\u5219\u76d1\u63a7DR\u72b6\u6001\u3002<\/p>\n

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    DR\u51fa\u6545\u969c\u65f6\uff0cBDR\u5347\u7ea7\u4e3aDR\uff0c\u5e76\u9009\u4e3e\u65b0\u7684BDR\u3002<\/p>\n

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    BR\/BDR<\/strong>\u662f\u57fa\u4e8e\u8def\u7531\u5668\u63a5\u53e3\uff0c\u800c\u4e0d\u662f\u6574\u53f0\u8bbe\u5907\uff0c\u6709\u53ef\u80fd\u4e00\u53f0\u8bbe\u5907\u7684\u4e00\u4e2a\u63a5\u53e3\u4e3a<\/strong>DR<\/strong>\uff0c\u53e6\u4e00\u4e2a\u63a5\u53e3\u4e3a<\/strong>BRD\u3002<\/strong><\/p>\n

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    DRother\u00a0\u7528224.0.0.6\u901a\u77e5DR\/BDR\u8def\u7531\u5668\uff0c\u76d1\u542c224.0.0.5<\/span><\/p>\n

    DR\/BDR\u5229\u7528\u7ec4\u64ad\u5730\u5740224.0.0.5\u901a\u77e5DRother\u8def\u7531\u5668\uff0c\u76d1\u542c224.0.0.6<\/span><\/p>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    01 OSPF\u662f\u4ec0\u4e48 \u5728\u540c\u4e00\u4e2aOSPF\u81ea\u5236\u7cfb\u7edf\u5185\u6bcf\u4e00\u53f0\u8fd0\u884cOSPF\u534f\u8bae\u7684\u8def\u7531\u5668\u603b\u662f\u5c06\u672c\u5730\u7f51\u7edc\u7684\u8fde\u63a5\u72b6\u6001\u7528LSA […]<\/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-9858","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\/9858","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=9858"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9858\/revisions"}],"predecessor-version":[{"id":9966,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9858\/revisions\/9966"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}