From: Rajeev Siddappa (raj_lab@xxxxxxxxx)
Date: Thu Dec 27 2001 - 02:55:54 GMT-3
Hey Annu,
The question is little confuing for me can you explain
me in a different way. Or pls post the configs.
Thanks,
Rajeev.
--- Annu <annu_roopa@yahoo.com> wrote:
> Group,
>
> This is something i am unable to interpret.IF
> someone
> can tell me why this is happening ? Here goes the
> scenario.
>
> e0 e0 s0
>
> R9------------------R11------R10--20.1.1.1
> | <-area 0 ---------> |s1
> s1 | |
> R5------------------R4-------|
> e0 e0 s1
>
>
> R9/R5 are ABR's and connected to R11/R4( both
> ASBR's)
> E0 of both in area 0; Ser1 of ABR's in area 1.
> R10 is connected to loopback 20.1.1.1.
> R4 introduces type E1 route into R5.
> R11 introduces type E1 route into R9.
>
> Cost of E0 on R5=200;all other interfaces have
> default
> cost.
>
> Now R5 gets two E1 routes,one with cost 220(200+20)
> from R4 and other with cost 94(64+10+20)from R9.
>
> I thought the E1 route thru R9 and R11 will be the
> preferred path as its same type and lower metric but
> R5 seems to go thru R4.
>
> Am i wrong in understanding ? or what is missing ?
>
> Here are the route tables:
> r5#show ip route
> 55.0.0.0/16 is subnetted, 1 subnets
> C 55.1.0.0 is directly connected, Serial1
> O E1 20.0.0.0/8 [110/220] via 172.16.1.18, 00:03:11,
> Ethernet0
> 172.16.0.0/28 is subnetted, 1 subnets
> C 172.16.1.16 is directly connected, Ethernet0
> 192.168.1.0/28 is subnetted, 2 subnets
> O E1 192.168.1.0 [110/220] via 172.16.1.18,
> 00:03:11, Ethernet0
> O E1 192.168.1.16 [110/220] via 172.16.1.18,
> 00:03:11, Ethernet0
>
> When Ethernet fails ?
>
> r5#show ip route
> Gateway of last resort is not set
>
> 55.0.0.0/16 is subnetted, 1 subnets
> C 55.1.0.0 is directly connected, Serial1
> O E1 20.0.0.0/8 [110/94] via 55.1.1.2, 00:00:23,
> Serial1
> 172.16.0.0/28 is subnetted, 1 subnets
> O IA 172.16.1.0 [110/74] via 55.1.1.2, 00:00:23,
> Serial1
> 192.168.1.0/28 is subnetted, 2 subnets
> O E1 192.168.1.0 [110/94] via 55.1.1.2, 00:00:23,
> Serial1
> O E1 192.168.1.16 [110/94] via 55.1.1.2,
> 00:00:23,
> Serial1
>
>
>
>
> =====
> Thanks in advance for ur time and replies.
> Annu.
>
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