Re: Redistribution between OSPF and EIGRP

From: John Neiberger (neiby@xxxxxxxxxx)
Date: Wed May 08 2002 - 18:13:01 GMT-3

   
On the links in question you are using PPP encapsulation. When
a PPP link comes up, a /32 host route will be installed by
default. If you want to disable this feature, use 'no peer
neighbor-route'.

HTH,
John

---- On Wed, 8 May 2002, WBbamo@aol.com (WBbamo@aol.com) wrote:

> I'm running into a host route that I'm not sure how to filter
or get rid of.
>
> R1-E0 ---- 192.168.25.1/24 connected to R5 E0
192.168.25.5/24 running EIGRP
> R5- S0-----192.168.60.5/27 connected to frame cloud to R7 S0-- 

---
> 192.168.60.7/27 running EIGRP
>
> R1- S0 ppp ---192.168.15.1/24connected to R3 S0 ppp ---
192.168.15.3 /24
> running OSPF
> R3 - S1 ppp --- 192.168.11.1/24 connected to R7 S1 ppp ---
192.168.11.7/24
> running OSPF
>
> R1 is the redistributing router between EIGRP and OSPF,
> R7 should see EIGRP updates only from networks 25 and 60.
> I have distribute list out on R1
> deny 15.0
> deny 11.0
> which are working correctly.  R7 is receiving the route
update via OSPF for
> 15.0 and
> 11.0 and the 25 and 60 are being received via EIGRP.
>
> However on the 15.0 serial interface is generating a host
address of
> 192.168.15.1
> and it's being advertised through EIGRP.
> The 192.168.15.0/24 is learning it's route to R7 through OSPF.
>
> I'm trying to figure how to filter the host route , so it
takes the correct
> path.  The filter that I have is not looking at the host
route because it's
> in the LSA database.  So therefore it takes the EIGRP route
instead of
> getting filtered.
>
> Any ideas, papers or URLs, that can explain this behavior???
>
> Thanks,
>

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