From: Cliff Moseley (cliffmoseley@hotmail.com)
Date: Mon Dec 23 2002 - 00:22:42 GMT-3
use a standard access-list
>From: Sage Vadi <sagevadi@yahoo.co.uk>
>Reply-To: Sage Vadi <sagevadi@yahoo.co.uk>
>To: ccielab@groupstudy.com
>Subject: OSPF: distribute-lists
>Date: Sun, 22 Dec 2002 10:20:06 +0000 (GMT)
>
>This is what CCO says:
>
>Q: Can I use the distribute-list in/out command with
>OSPF to filter routes?
>
>A: OSPF routes can't be filtered from entering the
>OSPF database. The distribute-list in command only
>filters routes from entering the routing table, but it
>doesn't prevent link-state packets from being
>propagated.
>
>~~~ MY PROBLEM ~~~
>
>Diagram:
>
>R1
>|
>R2--R3
>
>R1 learns 160.160.0.0/22 from R2, R2 learns this from
>R3. Fairly simple right?
>
>I want to put a distribute-list inbound on R2's serial
>interface to prevent R1 from learning this
>route/network.
>
>Config on R2 here:
>
>distribute-list 108 in Serial1/0
>access-list 108 deny ip 160.160.0.0 0.0.3.255 any
>
>Problem:
>
>R1 still has the route in it's routing table!!! Doh!
>CCO says it should not be in the routing table, but it
>should be in the OSPF database.
>
>Q) Any tips/help/suggestions?
>
>rgds,
>Sage
>
>
>
>
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