Re: OSPF summary address problem

From: Sanjay Maljure (smaljure@xxxxxxxxxxxxxxxxx)
Date: Thu Jul 29 1999 - 13:16:35 GMT-3


   
Hi Mark,
You have not indicated if R1's ethernet is part of any OSPF area.
Is R5 connected to any other segments apart from the point-to-point link it has
with R1?
Do u still have the configs for this scenario?
Could u send them across?
Thanks,
Sanjay Maljure

Mark Mirrotto wrote:

> Hi
>
> I apologize for the length of this message, but I think it is necessary to
> set up the scenario.
>
> R1, R2, and R3 are in a frame relay point-to-multipoint network in subnet
> 172.17.59.16 / 28 in OSPF area 0
> R3 R2 share a token ring segment using subnet 172.17.59.128 / 28 in OSPF
> area 3
> R1 to R4 are connected via frame-relay point to point and use subnet
> 172.17.59.0 / 28 in OSPF area 1
> R4's ethernet segment is in subnet 172.17.59.160 / 30 in OSPF area 2
> R1's ethernet is in subnet 172.17.59.192 / 29
> R1 to R5 is a standard serial link and is running IGRP only in subnet
> 172.17.59.64 / 26
> I know I need to summarize because of the classful nature of IGRP, so I
> summarize 172.17.59.0 / 26 ; 172.17.59.128 / 26 and 172.17.59.192 / 26 on R1
> and redistribute igrp and ospf mutually - (I used metrics for
> igrp and subnets for ospf) When I do a 'show ip ospf summary' the subnets
> all the proper show up summarized, but the 128 subnet has a very high
> metric, and doesn'tt show up on R5. I think this is because R1 's route to
> the 128 subnet is a O IA route. I create a static route on R1 with the 128
> subnet and a 26 bit mask pointing
> to null 0 and everything works fine. What am I missing? I won't be able to
> use a static route in the lab....
>
> Thanks!
>
> Mark (31 days and counting.....)
>



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