查看完整版本: 毒性逆转观察实验

毒性逆转观察实验

[size=4]实验拓扑就是实验手册[b]RIP不连续子网[/b]的那个，做了那个实验顺便做了做，分享一下！ [/size]
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  [img=524,354]http://www.one-tom.com/bbs/uploads/20070715_130053_dxnz.png[/img]
在不关闭水平分割的情况下，我们可以看到如下debug信息:

  一、R3:

[size=3]R3(config)#
*Jul 15 12:25:21.175: RIP: sending v2 flash update to 224.0.0.9 via Serial1/1 (192.1.1.2)
*Jul 15 12:25:21.179: RIP: build flash update entries
*Jul 15 12:25:21.179:   148.1.2.0/24 via 0.0.0.0, metric 16, tag 0[/size]
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二、R1：

[size=3]*Jul 15 12:25:21.147: RIP: received v2 update from 192.1.1.2 on Serial1/1
*Jul 15 12:25:21.151:      148.1.2.0/24 via 0.0.0.0 in 16 hops  (inaccessible)
R1#
*Jul 15 12:25:23.151: RIP: sending v2 flash update to 224.0.0.9 via Serial1/0 (148.1.1.1)
*Jul 15 12:25:23.151: RIP: build flash update entries
*Jul 15 12:25:23.155:   148.1.2.0/24 via 0.0.0.0, metric 16, tag 0
[/size][size=3][color=#ff0000]*Jul 15 12:25:23.155: RIP: sending v2 flash update to 224.0.0.9 via Serial1/1 (192.1.1.1)
*Jul 15 12:25:23.159: RIP: build flash update entries
*Jul 15 12:25:23.159:   148.1.2.0/24 via 0.0.0.0, metric 16, tag 0[/color][/size]
[size=3][color=#000000]这就是毒性逆转，从S1/1接收到的不可达的信息，又从S1/1发了回去。[/color][/size]
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[size=3]再看一个[/size]
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[size=3]三、R2：[/size]
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[size=3]*Jul 15 12:25:32.727: RIP: received v2 update from 148.1.1.1 on Serial1/0
*Jul 15 12:25:32.731:      148.1.2.0/24 via 0.0.0.0 in 16 hops  (inaccessible)
*Jul 15 12:25:32.731:      192.1.1.0/24 via 0.0.0.0 in 1 hops
R2#
[color=#ff0000]*Jul 15 12:25:55.295: RIP: sending v2 update to 224.0.0.9 via Serial1/0 (148.1.1.2)
*Jul 15 12:25:55.295: RIP: build update entries
*Jul 15 12:25:55.299:   148.1.2.0/24 via 0.0.0.0, metric 16, tag 0[/color][/size]
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[size=3][color=#0000ff]能看得到技术，看看感觉很舒服[/color][/size]