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发表于 2015-8-25 04:06:23
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楼主,我按照你的配置做了一遍,同样的问题。 然后我在R1上看了一下:
R1#show ip route 123.1.1.10
Routing entry for 123.1.1.0/24
Known via "connected", distance 0, metric 0 (connected, via interface)
Routing Descriptor Blocks:
* directly connected, via Serial3/1.102
Route metric is 0, traffic share count is 1
directly connected, via Serial3/1.103
Route metric is 0, traffic share count is 1
R1#show ip route 123.1.1.1
Routing entry for 123.1.1.0/24
Known via "connected", distance 0, metric 0 (connected, via interface)
Routing Descriptor Blocks:
* directly connected, via Serial3/1.102
Route metric is 0, traffic share count is 1
directly connected, via Serial3/1.103
Route metric is 0, traffic share count is 1
看到星号没? 因为你用了相同子网给所有的子接口,默认的路由metric是0。直连路由就把1.102这个子接口作为首选(具体的原理我就不清楚了。 可能默认选最小的DLCI号)。 我想这就是为什么不建议给子接口使用相同的子网的原因了。
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9#
2015-8-25 04:06:23
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