From: Curtis Phillips (cphillips@xxxxxxxxxxxx)
Date: Sun Mar 03 2002 - 17:42:43 GMT-3
Paul,
What does your access-list 1 look like?
Curtis
----- Original Message -----
From: "Paul Borghese" <pborghese@groupstudy.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, March 03, 2002 2:39 PM
Subject: distribution lists in RIP
> I have a configuration where I would like to redistribute from RIP to
OSPF.
> I would prefer to apply a filter to limit my distributions. I am running
> RIP on an ethernet interface and OSPF on a serial interface. When I apply
> the command:
>
> router rip
> distribute-list 1 out ospf 1
>
> It filters the RIP updates out the ethernet interface. So the router
seems
> to ignore the fact that I told it to only filter when redistrbuting into
> OSPF and instead filters regular rip updates. Here is some debugging
> output:
>
> Before applying distribute-list 1 out ospf:
> --------------------------------------------------------------------
> 02:24:10: RIP: sending v1 update to 255.255.255.255 via Ethernet0
> (190.27.2.3)
> 02:24:10: RIP: build update entries
> 02:24:10: network 87.0.0.0 metric 7
> 02:24:10: network 180.70.0.0 metric 7
> 02:24:10: subnet 190.27.1.0 metric 7
> 02:24:10: subnet 190.27.10.0 metric 7
> 02:24:10: subnet 190.27.11.0 metric 7
> -------------------------------------------------------------------------
>
> Notice there are a number of routes being advertised out E0.
>
> Now I will apply the command:
> --------------------------------------------------------------------------
-- > -- > R7(config-router)#router rip > R7(config-router)#distribute-list 1 out ospf 1 > R7(config-router)# > 02:24:15: RIP: Distribute-list changed: sending triggered update > R7(config-router)# > 02:24:35: RIP: sending v1 update to 255.255.255.255 via Ethernet0 > (190.27.2.3) > 02:24:35: RIP: build update entries - suppressing null update > -------------------------------------------------------------------------- -- > -------- > > Notice the update did not have any entries. So the command distribute-list > 1 out ospf 1 blocks routes from leaving the ethernet interface. > > Why? > > Paul Borghese
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