纸箱 2007-11-11 08:45
请教双向双点重发布怎么产生异常问题
[font=宋体][size=12pt]请教双向双点重发布怎么产生异常问题[/size][/font][size=12pt][/size]
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[b][font=宋体][size=12pt]动态路由协议有一系列的安全措施可以避免环路,最终的选路会装在路由表中。有管理距离和度量值在比较,怎么会产生问题?若产生环路,有什么特征可以说明呢?[/size][/font][/b][b][size=12pt][/size][/b]
[b][font=宋体][size=12pt]我很糊涂???分析不出来![/size][/font][/b][b][size=12pt][/size][/b]
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[font=宋体][size=12pt]我设计实验如下:希望大家帮助发现问题[/size][/font][size=12pt][/size]
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[size=12pt][font=Times New Roman][img=659,403]http://www.one-tom.com/bbs/uploads/20070331_111322_XY010.png[/img][/font][/size]
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[font=宋体][size=12pt]配置:[/size][/font][size=12pt][/size]
[size=12pt][font=Times New Roman]-------------------------------------------------------------------------------------------------------[/font][/size]
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[size=12pt][font=Times New Roman]R1#show run[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]version 12.3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]hostname R1[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Loopback0[/font][/size]
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ip address 1.1.1.1 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]!
[/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/0[/font][/size]
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ip address 13.1.1.1 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/1[/font][/size]
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ip address 12.1.1.1 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router eigrp 100[/font][/size]
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network 12.1.1.0 0.0.0.255[/font][/size]
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network 13.1.1.0 0.0.0.255[/font][/size]
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no auto-summary[/font][/size]
[size=12pt][font=Times New Roman]!
[/font][/size]
[size=12pt][font=Times New Roman]end[/font][/size]
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[size=12pt][font=Times New Roman]R2#show run[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]version 12.3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]hostname R2[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Loopback0[/font][/size]
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ip address 2.2.2.2 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/0[/font][/size]
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ip address 12.1.1.2 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/1[/font][/size]
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ip address 24.1.1.2 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router eigrp 100[/font][/size]
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redistribute ospf 10 metric 10000 100 255 1 1500 [/size][size=12pt]
//OSPF[/size][/font][font=宋体][size=12pt]重发布[/size][/font][size=12pt][font=Times New Roman]EIGRP[/font][/size]
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network 12.1.1.0 0.0.0.255[/font][/size]
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no auto-summary[/font][/size]
[size=12pt][font=Times New Roman]!
[/font][/size]
[size=12pt][font=Times New Roman]router ospf 10[/font][/size]
[font=Times New Roman][size=12pt]redistribute eigrp 100 subnets
[/size][size=12pt]//EIGRP[/size][/font][font=宋体][size=12pt]重发布进[/size][/font][size=12pt][font=Times New Roman]OSPF[/font][/size]
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network 24.1.1.0 0.0.0.255 area 0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]end[/font][/size]
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[size=12pt][font=Times New Roman]R3#show run[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]version 12.3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]hostname R3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Loopback0[/font][/size]
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ip address 3.3.3.3 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/0[/font][/size]
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ip address 35.1.1.3 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/1[/font][/size]
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ip address 13.1.1.3 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router eigrp 100[/font][/size]
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redistribute ospf 10 metric 10000 100 255 1 1500
[/size][size=12pt]
//OSPF[/size][/font][font=宋体][size=12pt]重发布[/size][/font][size=12pt][font=Times New Roman]EIGRP[/font][/size]
[size=12pt][font=Times New Roman]network 13.1.1.0 0.0.0.255[/font][/size]
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no auto-summary[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router ospf 10[/font][/size]
[font=Times New Roman][size=12pt]redistribute eigrp 100 subnets
[/size][size=12pt]
//EIGRP[/size][/font][font=宋体][size=12pt]重发布[/size][/font][size=12pt][font=Times New Roman]OSPF[/font][/size]
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network 35.1.1.0 0.0.0.255 area 0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]end[/font][/size]
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[size=12pt][font=Times New Roman]R4#show run[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]version 12.3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]hostname R4[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Loopback0[/font][/size]
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ip address 4.4.4.4 255.255.255.0[/font][/size]
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ip ospf network point-to-point[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/0[/font][/size]
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ip address 24.1.1.4 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/1[/font][/size]
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ip address 45.1.1.4 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router ospf 10[/font][/size]
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log-adjacency-changes[/font][/size]
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redistribute connected subnets
[/size][size=12pt]//[/size][/font][font=宋体][size=12pt]将环回口地址发布进[/size][/font][size=12pt][font=Times New Roman]OSPF[/font][/size][font=宋体][size=12pt]产生[/size][/font][size=12pt][font=Times New Roman]O E2[/font][/size]
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network 24.1.1.0 0.0.0.255 area 0
[/font][/size][font=宋体][size=12pt]为了和[/size][/font][size=12pt][font=Times New Roman]EIGRP[/font][/size][font=宋体][size=12pt]发布进来的[/size][/font][size=12pt][font=Times New Roman]O E2[/font][/size][font=宋体][size=12pt]比较[/size][/font][size=12pt][/size]
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network 45.1.1.0 0.0.0.255 area 0
[/font][/size][font=宋体][size=12pt]看看会不会产生问题[/size][/font][size=12pt][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]end[/font][/size]
[size=12pt][font=Times New Roman]-------------------------------------------------------------------------------------------------------[/font][/size]
[size=12pt][font=Times New Roman]R5#show run[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]version 12.3[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]hostname R5[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Loopback0[/font][/size]
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ip address 5.5.5.5 255.255.255.0[/font][/size]
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ip ospf network point-to-point[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/0[/font][/size]
[size=12pt][font=Times New Roman]
ip address 45.1.1.5 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]interface Serial1/1[/font][/size]
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ip address 35.1.1.5 255.255.255.0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]router ospf 10[/font][/size]
[size=12pt][font=Times New Roman]network 5.5.5.0 0.0.0.255 area 0[/font][/size]
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network 35.1.1.0 0.0.0.255 area 0[/font][/size]
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network 45.1.1.0 0.0.0.255 area 0[/font][/size]
[size=12pt][font=Times New Roman]![/font][/size]
[size=12pt][font=Times New Roman]end[/font][/size]