Re: Gotcha on Redistribute Connected

From: Badger (badger@pongo.org)
Date: Wed Jul 09 2003 - 13:14:06 GMT-3


I posted a similar problem "Subject OSPF <-> EIGRP redistribution." I'm
experiencing this not only with rip/ospf, but also ospf/eigrp. I have found a
cause/reason/solution yet. I use 12.1.5(14)T and plan to just flash 12.2x to
see if it fixes the rpoblem.

Quoting Ram Shummoogum <rshummoo@ca.ibm.com>:

> I don't think you are tripping. I have been observing this too in few
> ipexpert labs and I always keep any eye on this.
>
> RAM
>
>
> Jeongwoo Park <jpark@wams.com>@groupstudy.com on 07/09/2003 11:28:26 AM
>
> Please respond to Jeongwoo Park <jpark@wams.com>
>
> Sent by: nobody@groupstudy.com
>
>
> To: lab <ccielab@groupstudy.com>
> cc:
> Subject: Gotcha on Redistribute Connected
>
>
> Hi, all
> Here is the layout where the "redistribute connected" got me.
>
> R1-----ospf------R2-lo 0
> |
> rip
> |
> R3
>
> What I did was that I redistributed the connected network (loopback
> network)
> into ospf with route-map only for the loopback network like this.
> router ospf 1
> router-id 2.2.2.2
> log-adjacency-changes
> summary-address 170.100.20.0 255.255.255.0
> redistribute connected subnets route-map c2o
> redistribute rip subnets
> network 170.100.124.0 0.0.0.255 area 0
> !
> route-map c2o permit 10
> match ip address 1
> !
> access-list 1 permit 170.100.20.0 0.0.0.7
>
> Now, I redistribute rip into ospf on R2.
>
> The problem is that R1 can't see the rip network.
>
> What I think is the gotcha is that when R2 redistribute "Connected" with
> route-map, it filtered the rip network, because the rip network is the
> connected network as well from the R2's stand point.
>
> Am I saying right or I am tripping?
>
> Please let me know what I am doing wrong here.
>
> Thanks,
>
> JP
>
>
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