From: Evgeny Tantsura (ivgen@castel.nl)
Date: Sun Dec 22 2002 - 09:47:30 GMT-3
To filter outgoing link-state advertisements (LSAs) to an OSPF interface,
use the ip ospf database-filter all out command in interface configuration
mode.
P.S. This will filter ALL LSAs.
> 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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With kind regards/ met vriendelijke groeten,
------------------------------------------------
E. Tantsura
Network Developer
Essent Kabelcom N.V.
Dr.van Deenweg 84
8025BN Zwolle, The Netherlands
Tel: +31-(0)38-850-7642
Fax: +31-(0)38-850-7410
Mob: +31-(0)6-290-80458
------------------------------------------------
.
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