Re: Gateway of last resort V.S. 0.0.0.0

From: MADMAN (dave@interprise.com)
Date: Thu Jan 16 2003 - 08:58:26 GMT-3


  Do you have a "default-network" configuered on this router????

   Dave

cebuano wrote:
> Hi all,
> Below are show output to demonstrate that Gateway of Last Resort
> supercedes path selection when forwarding to unknown networks. If anyone
> has a URL to explain this behavior, please direct me to it. Thanks.
>
> 2511#ir
>
> Gateway of last resort is 128.213.63.2 to network 200.200.0.0
>
> 1.0.0.0/32 is subnetted, 1 subnets
> C 1.1.1.1 is directly connected, Loopback0
> 192.208.10.0/24 is variably subnetted, 2 subnets, 2 masks
> O E2 192.208.10.0/24 [110/1000] via 203.250.14.2, 00:02:59, Ethernet0
> O 192.208.10.4/30 [110/84] via 203.250.14.2, 00:02:59, Ethernet0
> 203.250.15.0/24 is variably subnetted, 2 subnets, 2 masks
> B 203.250.15.0/24 [200/0] via 203.250.15.2, 00:02:58
> O 203.250.15.0/30 [110/74] via 203.250.14.2, 00:02:59, Ethernet0
> 128.213.0.0/16 is variably subnetted, 2 subnets, 2 masks
> B 128.213.0.0/16 [20/0] via 128.213.63.2, 00:02:34
> C 128.213.63.0/30 is directly connected, Serial0
> C 203.250.14.0/24 is directly connected, Ethernet0
> C 203.250.13.0/24 is directly connected, Loopback10
> O*E2 0.0.0.0/0 [110/1000] via 203.250.14.2, 00:01:08, Ethernet0
> B* 200.200.0.0/16 [20/0] via 128.213.63.2, 00:01:13
> O E2 195.211.0.0/16 [110/1000] via 203.250.14.2, 00:01:43, Ethernet0
>
>
> 2511#trace 100.100.100.1
>
> Type escape sequence to abort.
> Tracing the route to 100.100.100.1
>
> 1 128.213.63.2 [AS 200] 16 msec 16 msec 20 msec
> 2 128.213.63.2 [AS 200] !H * !H
>
>
> MC3810b#ir
>
> Gateway of last resort is 192.208.10.5 to network 192.208.10.0
>
> * 192.208.10.0/24 is variably subnetted, 2 subnets, 2 masks
> B* 192.208.10.0/24 [20/0] via 192.208.10.5, 00:04:49
> C 192.208.10.4/30 is directly connected, Ethernet0
> 203.250.15.0/30 is subnetted, 1 subnets
> C 203.250.15.0 is directly connected, Serial1
> 128.213.0.0/16 is variably subnetted, 2 subnets, 2 masks
> O E2 128.213.0.0/16 [110/2000] via 203.250.15.1, 00:04:23, Serial1
> O 128.213.63.0/30 [110/138] via 203.250.15.1, 00:04:51, Serial1
> O 203.250.14.0/24 [110/74] via 203.250.15.1, 00:04:52, Serial1
> 203.250.13.0/24 is variably subnetted, 2 subnets, 2 masks
> O 203.250.13.41/32 [110/75] via 203.250.15.1, 00:04:52, Serial1
> B 203.250.13.0/24 [200/0] via 203.250.13.41, 00:04:50
> O*E2 0.0.0.0/0 [110/2000] via 203.250.15.1, 00:02:57, Serial1
> O E2 200.200.0.0/16 [110/2000] via 203.250.15.1, 00:03:04, Serial1
> B 195.211.0.0/16 [20/0] via 192.208.10.5, 00:03:33
>
>
> MC3810b#trace 100.100.100.1
>
> Type escape sequence to abort.
> Tracing the route to 100.100.100.1
>
> 1 192.208.10.5 [AS 300] 0 msec 4 msec 4 msec
> 2 192.208.10.5 [AS 300] !H * !H
> .

-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

"You don't make the poor richer by making the rich poorer." --Winston Churchill .



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