\u90e8\u9580(\u4e0b\u7a31\u90e8\u9580A)\u4e2d\u6709\u4eba\u53cd\u6620\u4e0d\u80fd\u8a2a\u554f\u4e0a\u7d1a\u90e8\u9580(\u90e8\u9580B)\u7684\u7db2\u7d61\u3002\u6211\u5f9e\u8a72\u4eba\u6240\u7528\u7684\u8a08\u7b97\u6a5fA1(IP\u5730\u5740\u70ba10.20.12.11\/24)\u4e0a\u7528ping\u547d\u4ee4\u5411\u90e8\u9580B\u7db2\u7d61\u4e2d\u7684\u8a08\u7b97\u6a5fB1(IP\u5730\u5740\u70ba10.20.30.110\/24)\u548cB2(IP\u5730\u5740\u70ba10.20.30.111\/ 24)\u767c\u9001\u6e2c\u8a66\u6578\u64da\u5305\uff0c\u4e1f\u5305\u7387\u9054100%\uff0cping\u672c\u90e8\u9580\u7684\u5176\u5b83\u8a08\u7b97\u6a5f\u5247\u986f\u793a\u9023\u63a5\u6b63\u5e38\u3002\u6aa2\u67e5\u5176\u8a08\u7b97\u6a5fIP\u8a2d\u7f6e\uff0c\u767c\u73fe\u7db2\u95dc\u8a2d\u7f6e\u6b63\u78ba(\u6b63\u78ba\u7db2\u95dc\u70ba10.20.12.1)\uff0c\u65bc\u662f\u61f7\u7591\u8def\u7531\u5668\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u7528\u672c\u8fa6\u516c\u5ba4\u8a08\u7b97\u6a5fA2\u3001A3\u6e2c\u8a66\uff0c\u767c\u73fe\u4ee5\u4e0b\u5947\u602a\u73fe\u8c61\uff1a<\/p>\n
(1)\u5728\u8a08\u7b97\u6a5fA2(IP\u70ba10.20.12.12\/24)\u4e0a\u7528ping\u547d\u4ee4\u5206\u5225ping\u90e8\u9580B\u7db2\u7d61\u4e2d\u8a08\u7b97\u6a5fB1\u548cB2\uff0c\u767c\u73feB1\u6709\u6b63\u5e38\u56de\u61c9\uff0cB2\u7684\u56de\u61c9\u7387\u572820%~50%\u4e4b\u9593;\u5728\u8a08\u7b97\u6a5fA3(IP\u70ba10.20.12.13\/24)\u4e2d\u7528ping\u547d\u4ee4\u5206\u5225ping\u8a08\u7b97\u6a5fB1\u548cB2\uff0c\u56de\u61c9\u986f\u793a\u9023\u63a5\u6b63\u5e38\uff0c\u4e1f\u5305\u7387\u70ba0\u3002<\/p>\n
(2)\u5c07\u8a08\u7b97\u6a5fA3\u7684IP\u5730\u5740\u6539\u70ba10.20.12.12\/24\u5f8c\u6e2c\u8a66\uff0cping\u5f97\u7684\u7d50\u679c\u540c(1)\u4e2d\u7684\u8a08\u7b97\u6a5fA2\u6e2c\u8a66\u60c5\u6cc1\u3002<\/p>\n
(3)\u5c07\u8a08\u7b97\u6a5fA2\u7684IP\u5730\u5740\u6539\u70ba\u5c1a\u672a\u4f7f\u7528\u904e\u7684IP\u5730\u5740:10.20.12.22\/24\uff0c\u6e2c\u8a66\u8207B1\u548cB2\u7684\u9023\u63a5\uff0c\u7d50\u679c\u986f\u793a\u6b63\u5e38\uff0c\u4e1f\u5305\u7387\u70ba0\u3002<\/p>\n
(4)\u5c07\u8a08\u7b97\u6a5fA1\u7684IP\u5730\u5740\u6539\u70ba\u5c1a\u672a\u4f7f\u7528\u904e\u7684IP\u5730\u5740:10.20.12.23\/24\uff0c\u6e2c\u8a66\u8207B1\u548cB2\u7684\u9023\u63a5\uff0c\u7d50\u679c\u986f\u793a\u6b63\u5e38\uff0c\u4e1f\u5305\u7387\u70ba0\u3002<\/p>\n
\u6545\u969c\u5206\u6790<\/p>\n
\u8003\u616e\u5230\u7db2\u7d61\u9023\u901a\u60c5\u6cc1\u8207\u672c\u6a5fIP\u5730\u5740\u6709\u95dc\uff0c\u53c3\u8003\u672c\u55ae\u4f4d\u7db2\u7d61\u62d3\u64b2\u7d50\u69cb\u5716\uff0c\u65bc\u662f\u61f7\u7591\u53ef\u80fd\u662f\u7531\u65bc\u90e8\u9580B\u7db2\u7d61\u7684\u9632\u706b\u7246\u8a2d\u7f6e\u5f15\u767c\u8a72\u6545\u969c\u3002\u7531\u65bc\u90e8\u9580B\u8207\u672c\u90e8\u9580\u5206\u5225\u4f4d\u65bc\u57ce\u5e02\u4e2d\u5169\u500b\u4e0d\u540c\u5730\u65b9\uff0c\u4e0d\u65b9\u4fbf\u67e5\u770b\u5176\u9632\u706b\u7246\u8a2d\u7f6e\uff0c\u65bc\u662f\u6253\u96fb\u8a71\u8a62\u554f\u3002\u4f46\u8a72\u90e8\u9580\u7db2\u7d61\u7ba1\u7406\u54e1\u544a\u4e4b\u5176\u9632\u706b\u7246\u662f\u91dd\u5c0d\u7db2\u7d61IP\u6bb5\u8a2d\u7f6e\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u8a72\u9632\u706b\u7246\u5c0d\u65bc\u90e8\u9580A\u7684\u6574\u500b\u7db2\u7d61IP\u6bb5\u90fd\u662f\u5141\u8a31\u8a2a\u554f\u7684\u3002<\/p>\n
\u5206\u6790\u4ee5\u4e0a\u539f\u56e0\uff0c\u53ef\u80fd\u662f\u672c\u90e8\u9580\u4e2d\u67d0\u4e9b\u8a08\u7b97\u6a5f\u5411\u90e8\u9580B\u7db2\u7d61\u767c\u9001\u904e\u975e\u6cd5\u8a2a\u554f\u4fe1\u606f\uff0c\u90e8\u9580B\u7684\u9632\u706b\u7246\u81ea\u52d5\u5c07\u8a72IP\u5217\u5165\u4fb5\u8a08\u7b97\u6a5f\u540d\u55ae\uff0c\u5c4f\u853d\u4e86\u5176\u767c\u9001\u7684IP\u6578\u64da\u5305\uff0c\u5f9e\u800c\u5f15\u767c\u7db2\u7d61\u9023\u63a5\u4e0d\u6b63\u5e38\u7684\u73fe\u8c61\u3002\u8abf\u67e5\u672c\u90e8\u9580\u4e2d\u6240\u6709\u8a08\u7b97\u6a5f\uff0c\u5c07\u4e0d\u80fd\u6b63\u5e38\u8a2a\u554f\u5916\u90e8\u7db2\u7d61(\u90e8\u9580B\u7db2\u7d61)\u7684\u8a08\u7b97\u6a5f\u7684IP\u66f4\u63db\u70ba\u65b0\u7684IP\u5730\u5740\uff0c\u554f\u984c\u66ab\u6642\u89e3\u6c7a\u3002
\n\u4f46\u4e00\u500b\u661f\u671f\u5f8c\uff0c\u7db2\u7d61\u53c8\u51fa\u73fe\u6545\u969c\uff0c\u6709\u5e7e\u500b\u539f\u4f86\u80fd\u6b63\u5e38\u8a2a\u554f\u90e8\u9580B\u8a08\u7b97\u6a5f\u51fa\u73fe\u4e1f\u5305\u73fe\u8c61\uff0c\u800c\u6709\u5e7e\u500b\u539f\u4f86\u4e0d\u80fd\u6b63\u5e38\u8a2a\u554f\u5916\u90e8\u7db2\u7d61\u7684IP\u5730\u5740\u537b\u53ef\u4ee5\u6b63\u5e38\u8a2a\u554f\u5916\u90e8\u7db2\u7d61\uff0c\u770b\u4f86\u554f\u984c\u53ef\u80fd\u4e0d\u5728\u9632\u706b\u7246\u4e0a\u3002<\/p>\n
\u5728\u8a08\u7b97\u6a5f\u4e0aA2(IP\u5730\u5740\u70ba10.20.12.12\/24)\u7528Tracert\u547d\u4ee4\u8ddf\u8e2a\u6e2c\u8a66\uff0c\u73fe\u50cf\u5982\u4e0b:<\/p>\n
c:\\>Tracert 10.20.30.110<\/p>\n
Tracing route to 10.20.30.110 over a maximum of 30 hops<\/p>\n
1 <1 ms <1 ms <1 ms 10.20.12.1<\/p>\n
2 1 ms <1 ms 1 ms 192.168.10.2<\/p>\n
3 1 ms 1 ms 1 ms 10.20.30.1<\/p>\n
4 2 ms 1 ms 2 ms 10.20.30.110<\/p>\n
Trace complete<\/p>\n
\u5c07\u8a08\u7b97\u6a5f\u4e0aA2\u7684IP\u5730\u5740\u6539\u70ba10.20.12.22\/24\uff0c\u7528Tracert\u547d\u4ee4\u8ddf\u8e2a\u6e2c\u8a66\uff0c\u73fe\u50cf\u5982\u4e0b:<\/p>\n
Tracing route to 10.20.30.110 over a maximum of 30 hops<\/p>\n
1 <1 ms <1 ms <1 ms 10.20.12.1<\/p>\n
2 1 ms * * 192.168.10.2<\/p>\n
3 * 2 ms * 10.20.30.1<\/p>\n
4 * * * Request timed out<\/p>\n
5 * * * Request timed out<\/p>\n
6 * * 2 ms 10.20.30.110<\/p>\n
Trace complete<\/p>\n
Trace complete<\/p>\n
\u2192<\/p>\n
\u6709\u6642\u7528Tracert\u8ddf\u8e2a\u6e2c\u8a66\u5f97\u52304\u30015\u884c\u53ca\u4ee5\u5f8c\u986f\u793a\u7684\u90fd\u662fRequest timed out\u3002<\/p>\n
\u56de\u9867\u8fd1\u671f\u7db2\u7d61\u7d50\u69cb\u8b8a\u52d5\u60c5\u6cc1\uff0c\u539f\u4f86\u672c\u90e8\u9580\u4e2d\u7db2\u95dc\u7684\u4f4d\u7f6e\u7528\u7684\u662f\u4e00\u500b\u4e09\u5c64\u4ea4\u63db\u6a5f(\u53ea\u4f7f\u7528\u5176\u8def\u7531\u529f\u80fd)\uff0c\u7576\u6642\u5167\u7db2\u80fd\u6b63\u5e38\u8a2a\u554f\u5916\u90e8\u7db2\u7d61\uff0c\u5728\u4e00\u661f\u671f\u524d\u63db\u70baCisco 3640\u8def\u7531\u5668\uff0c\u5c07\u6309\u4e09\u5c64\u4ea4\u63db\u6a5f\u4e2d\u7684\u914d\u7f6e\u91cd\u65b0\u914d\u7f6e3640\u8def\u7531\u5668\uff0c\u63db\u5f8c\u4e0d\u4e45\u5c31\u51fa\u73fe\u4ee5\u4e0a\u7db2\u7d61\u6545\u969c\u3002\u6aa2\u67e5Cisco 3640\u7684\u7aef\u53e3\u914d\u7f6e\u548c\u8def\u7531\u914d\u7f6e\uff0c\u767c\u73fe\u7aef\u53e3IP\u5730\u5740\u914d\u7f6e\u6b63\u5e38\uff0c\u800c\u5728\u8def\u7531\u5217\u8868\u4e2d\u6709\u5169\u689d\u8def\u7531:<\/p>\n
ip route 0.0.0.0 0.0.0.0 192.168.10.2<\/p>\n
ip route 0.0.0.0 0.0.0.0 10.20.12.254<\/p>\n
\u56e0\u672c\u90e8\u9580\u7db2\u7d61\u662f\u55ae\u4f4d\u5ee3\u57df\u7db2\u4e2d\u6700\u4e0b\u5c64\u5b50\u7db2\uff0c\u6839\u64da\u696d\u52d9\u9700\u8981\u8a2a\u554f\u672c\u55ae\u4f4d\u6574\u500b\u5ee3\u57df\u7db2\uff0c\u800c\u672c\u90e8\u9580\u7db2\u7d61\u53ea\u901a\u904e\u4e00\u53f0Cisco 3640\u8def\u7531\u5668Router A\u63a5\u5165\u90e8\u9580B\u7db2\u7d61\u4e2d\uff0c\u518d\u901a\u904e\u90e8\u9580B\u7684\u8def\u7531\u5668Router B\u63a5\u5165\u55ae\u4f4d\u5ee3\u57df\u7db2(\u898b\u524d\u9762\u7db2\u7d61\u62d3\u6a38\u5716)\u3002\u70ba\u65b9\u4fbf\u8a2d\u7f6e\uff0c\u6211\u5011\u53ea\u9700\u8981\u5728Cisco 3640\u52a0\u5165\u4e00\u689d\u7f3a\u7701\u8def\u7531\u201cip route 0.0.0.0 0.0.0.0 192.168.10.2\u201d\u5c31\u53ef\u4ee5\u5c07\u672c\u90e8\u9580\u5c0d\u5916\u90e8\u7db2\u7d61\u7684\u7684\u8a2a\u554f\u90fd\u8f49\u767c\u5230\u90e8\u9580B\u7684\u8def\u7531\u5668Router B\uff0c\u5f9e\u800c\u5be6\u73fe\u7db2\u7d61\u7684\u4e92\u806f\u3002\u53ef\u80fd\u7531\u65bc\u8a2d\u7f6e\u4eba\u54e1\u7684\u5931\u8aa4\uff0c\u5728\u8def\u7531\u8868\u4e2d\u591a\u52a0\u4e86\u4e00\u689d\u4e26\u4e0d\u5b58\u5728\u7684\u4e0b\u4e00\u8df3\u7bc0\u9ede\u201cip route 0.0.0.0 0.0.0.0 10.20.12.254\u201d\u3002\u4ee5\u81f4\u7576\u5167\u7db2\u4e2d\u7684\u8a08\u7b97\u6a5f\u8a2a\u554f\u5916\u90e8\u7db2\u7d61\u6642\uff0c\u8def\u7531\u5668\u6709\u6642\u4e0d\u80fd\u5c07IP\u6578\u64da\u5305\u6b63\u78ba\u5730\u767c\u9001\u5230192.168.10.2\u4e2d\uff0c\u7531\u65bc\u8def\u7531\u5668\u52a0\u96fb\u5de5\u4f5c\u5f8c\uff0c\u5167\u5b58\u4e2d\u4fdd\u5b58\u4e86\u5167\u7db2\u5c0d\u5916\u7db2\u7684\u8a2a\u554f\u8def\u7531\u5217\u8868\uff0c\u4f7f\u5f97\u4e00\u4e9b\u8a08\u7b97\u6a5f\u4e00\u76f4\u80fd\u6b63\u5e38\u8a2a\u554f\u5916\u7db2\uff0c\u800c\u53e6\u4e00\u4e9b\u8a08\u7b97\u6a5f\u4e0d\u80fd\u6b63\u5e38\u8a2a\u554f\uff0c\u7576\u8def\u7531\u5668\u91cd\u65b0\u555f\u52d5(\u5982\u7b2c\u4e8c\u500b\u661f\u671f\u4e00\u65e9\u4e0a\u91cd\u555f\u8def\u7531\u5668)\u5f8c\uff0c\u8a2a\u554f\u8def\u7531\u5217\u8868\u91cd\u65b0\u5efa\u7acb\uff0c\u4f7f\u5f97\u5167\u90e8\u8a08\u7b97\u6a5f\u8a2a\u554f\u5916\u7db2\u7684\u73fe\u8c61\u767c\u73fe\u8b8a\u5316\u3002<\/p>\n
\u6545\u969c\u6392\u9664<\/p>\n
\u5728\u8def\u7531\u5668\u7279\u6b0a\u6a21\u5f0f\u4e0b\u522a\u9664\u7121\u7528\u7684\u8def\u7531\u5217\u8868:<\/p>\n
# no ip route 0.0.0.0 0.0.0.0 10.20.12.254<\/p>\n
#wr<\/p>\n
\u91cd\u555f\u8def\u7531\u5668\u5f8c\uff0c\u672c\u90e8\u9580\u6240\u6709\u8a08\u7b97\u6a5f\u90fd\u80fd\u6b63\u5e38\u8a2a\u554f\u90e8\u9580B\u7684\u7db2\u7d61\u53ca\u55ae\u4f4d\u5ee3\u57df\u7db2\uff0c\u6545\u969c\u5f97\u5230\u5fb9\u5e95\u89e3\u6c7a\u3002<\/p>\n
\u6307\u7684\u662f\u8def\u7531\u5668\u6216\u8005\u5176\u4ed6\u4e92\u806f\u7db2\u7db2\u7d61\u8a2d\u5099\u4e0a\u5b58\u5132\u7684\u8868\uff0c\u8a72\u8868\u4e2d\u5b58\u6709\u5230\u9054\u7279\u5b9a\u7db2\u7d61\u7d42\u7aef\u7684\u8def\u5f91\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u9084\u6709\u4e00\u4e9b\u8207\u9019\u4e9b\u8def\u5f91\u76f8\u95dc\u7684\u5ea6\u91cf\u3002<\/p>\n
\u8def\u7531\u8868\u7684\u4e00\u822c\u5f62\u5f0f\u70ba:<\/p>\n
Destination Gateway Flag Refs Use Inerface<\/p>\n
\u5176\u4e2d\uff0cDestination\u76ee\u6a19\u7db2\u7d61\u6216\u4e3b\u6a5f\u7684IP\u5730\u5740;Gateway\u5230\u9054\u6307\u5b9a\u76ee\u5730\u7684\u4f7f\u7528\u7db2\u95dc;Flag\u6a19\u8a8c\u5b57\u6bb5,\u63cf\u8ff0\u9019\u4e00\u8def\u7531\u7684\u4e00\u4e9b\u7279\u6027;Refcnt\u8868\u793a\u70ba\u4e86\u5efa\u4e00\u6b21\u9023\u63a5,\u8a72\u8def\u7531\u4f7f\u7528\u7684\u6b21\u6578;Use\u8868\u793a\u901a\u904e\u8a72\u8def\u7531\u50b3\u8f38\u7684\u5206\u7d44\u5831\u6587\u6578;Interface\u8868\u793a\u8a72\u8def\u7531\u4f7f\u7528\u7684\u7db2\u7d61\u63a5\u53e3\u540d\u3002<\/p>\n
\u4e00\u500b\u5178\u578b\u7684\u8def\u7531\u8868\u7684\u4f8b\u5b50<\/p>\n
Destination Gateway Flags Refs Use Interface<\/p>\n
default 26.112.191.98 UGS 0 0 net0<\/p>\n
default 26.112.191.98 UGS 0 18 net0<\/p>\n
26.112.191 26.112.191.2 UC 1 0 net0<\/p>\n
26.112.191.2 127.0.0.1 UGHS 3 92 lo0<\/p>\n
127.0.0.1 127.0.0.1 UH 3 9786480 lo0<\/p>\n
224 26.112.191.2 UCS 0 0 net0<\/p>\n","protected":false},"excerpt":{"rendered":"
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