From: Shawn Zandi (szmetal@gmail.com)
Date: Tue Dec 23 2008 - 04:33:30 ARST
It's not a L3 load-sharing problem, increase your ping packet timeout to see
if there's a delay in your dynamips, I would check my frame relay to
not receive any 0.0.0.0, reload and test.
Regards,
Shawn
On Tue, Dec 23, 2008 at 10:07 AM, Xiaobo Zhu <xiaobo@zhu.net> wrote:
> Hi all,
> When I ping the loopback 0 on R5 from R1, output like ".!.!. "
> According to the following scenario, the way is unique, so how should this
> happen.
>
> Here is the scenario, the last part of ip address is asigned the same as
> the
> number in the router's name.
> 1.1.1.1(R1)
>
> 192.168.12.0/24(R2)192.168.23.0/24(R3)192.168.34.0/24(R4)192.168.45.0/24(R5)5.5.5.5
>
> And here comes the route table.
> ---------------------------------------------------
> R1#show ip route
> Gateway of last resort is 192.168.12.2 to network 0.0.0.0
>
> C 192.168.12.0/24 is directly connected, Serial1/2
> 1.0.0.0/24 is subnetted, 1 subnets
> C 1.1.1.0 is directly connected, Loopback0
> 5.0.0.0/24 is subnetted, 1 subnets
> B 5.5.5.0 [20/0] via 192.168.12.2, 00:31:55
> S* 0.0.0.0/0 [1/0] via 192.168.12.2
> R2#show ip route
> C 192.168.12.0/24 is directly connected, Serial1/3
> 1.0.0.0/24 is subnetted, 1 subnets
> B 1.1.1.0 [20/0] via 192.168.12.1, 00:31:44
> O 192.168.45.0/24 [110/192] via 192.168.23.3, 00:34:08, Serial1/2
> 5.0.0.0/24 is subnetted, 1 subnets
> O E2 5.5.5.0 [110/1] via 192.168.23.3, 00:34:08, Serial1/2
> C 192.168.23.0/24 is directly connected, Serial1/2
> O 192.168.34.0/24 [110/128] via 192.168.23.3, 00:34:08, Serial1/2
> R3#show ip route
> O 192.168.12.0/24 [110/128] via 192.168.23.2, 00:34:33, Serial1/3
> 1.0.0.0/24 is subnetted, 1 subnets
> O E2 1.1.1.0 [110/1] via 192.168.23.2, 00:32:09, Serial1/3
> O 192.168.45.0/24 [110/128] via 192.168.34.4, 00:34:33, Serial1/2
> 5.0.0.0/24 is subnetted, 1 subnets
> O E2 5.5.5.0 [110/1] via 192.168.34.4, 00:34:34, Serial1/2
> C 192.168.23.0/24 is directly connected, Serial1/3
> C 192.168.34.0/24 is directly connected, Serial1/2
> R4#show ip route
> O 192.168.12.0/24 [110/192] via 192.168.34.3, 00:34:59, Serial1/3
> 1.0.0.0/24 is subnetted, 1 subnets
> O E2 1.1.1.0 [110/1] via 192.168.34.3, 00:32:35, Serial1/3
> C 192.168.45.0/24 is directly connected, Serial1/2
> 5.0.0.0/24 is subnetted, 1 subnets
> B 5.5.5.0 [20/0] via 192.168.45.5, 00:54:08
> O 192.168.23.0/24 [110/128] via 192.168.34.3, 00:35:00, Serial1/3
> C 192.168.34.0/24 is directly connected, Serial1/3
> R5#show ip route
> 1.0.0.0/24 is subnetted, 1 subnets
> B 1.1.1.0 [20/0] via 192.168.45.4, 00:32:58
> C 192.168.45.0/24 is directly connected, Serial1/3
> 5.0.0.0/24 is subnetted, 1 subnets
> C 5.5.5.0 is directly connected, Loopback0
> S* 0.0.0.0/0 [1/0] via 192.168.45.4
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