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路由器运行eigrp协议，丢失路由，求高手解答
离问题结束还有0天0小时  |  提问者：syxzh   |  提问时间：2013-1-18 20:02
[i=s] 本帖最后由 syxzh 于 2013-1-18 20:02 编辑 [/i] 本人刚学CCNA，用Cisco Packet Tracer5.3.2模拟器组了一个网，运行Eigrp协议，如图 r0-r2-r1-r3用光纤连 r0-r1用100M网线 r2-r3用串口线 开始pc0通ping 通pc1 当断开r2-r1的光纤后就ping不通了。必须要手动清一下r3的路由表。 是我的错还是模拟器的错？ 期待高手解答，谢谢！ 附件中是模拟器保存的文件 [attach]200744[/attach] [attach]200743[/attach]
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syxzh 的答案


正常时：
PC>tracert 3.1.1.1

Tracing route to 3.1.1.1 over a maximum of 30 hops:

1 40 ms 40 ms 40 ms 2.1.1.254
2 60 ms 60 ms 60 ms 1.1.1.6
3 80 ms 80 ms 80 ms 1.1.1.10
4 100 ms 100 ms 100 ms 1.1.1.14
5 130 ms 140 ms 140 ms 3.1.1.1

Trace complete.


断开R1-R2：
PC>tracert 3.1.1.1

Tracing route to 3.1.1.1 over a maximum of 30 hops:

1 40 ms 40 ms 40 ms 2.1.1.254
2 60 ms 60 ms 60 ms 1.1.1.2
3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
6 * * * Request timed out.
7 * *
Control-C
^C
PC>ping 3.1.1.1

Pinging 3.1.1.1 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 3.1.1.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

PC1>ping 2.1.1.1

Pinging 2.1.1.1 with 32 bytes of data:

Reply from 3.1.1.254: Destination host unreachable.
Reply from 3.1.1.254: Destination host unreachable.
Reply from 3.1.1.254: Destination host unreachable.
Reply from 3.1.1.254: Destination host unreachable.

Ping statistics for 2.1.1.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

PC>
回答时间：2013-1-31 10:09
 
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