Re: Frame - eigrp and split horizon

From: Alexei Monastyrnyi (alexeim@orcsoftware.com)
Date: Wed May 31 2006 - 05:46:17 ART


you can try to debug ip packets to see what happens to them, this might
help in finding encapsulation failure etc..

A.

on 30/05/2006 23:13 Schulz, Dave wrote:
> Question on split horizon....
>
> I set up a hub router on a frame with the following configuration.....
>
> interface Serial0/0
> ip address 192.168.1.1 255.255.255.0
> encapsulation frame-relay
> no ip split-horizon eigrp 100
> frame-relay map ip 192.168.1.1 102
> frame-relay map ip 192.168.1.2 102 broadcast
> frame-relay map ip 192.168.1.3 103 broadcast
> no frame-relay inverse-arp
> !
> router eigrp 100
> network 192.168.1.0
> no auto-summary
>
> There are two remote sites, with the following configuration.....
>
> interface Serial0/0
> ip address 192.168.1.2 255.255.255.0
> encapsulation frame-relay
> no frame-relay inverse-arp IP 203
> no frame-relay inverse-arp IP 204
>
>
> and......
>
> interface Serial0
> ip address 192.168.1.3 255.255.255.0
> encapsulation frame-relay
> no frame-relay inverse-arp IP 302
> no frame-relay inverse-arp IP 304
> !
> Both set up with eigrp 100. They both form the neighbor relationship
> with the hub router. However, there is still not connectivity from
> spoke to spoke (even though split horizon is disabled). I know that
> everything works if I statically map everything, just trying to
> understand a little further on the eigrp between multiple routers. I
> was thinking that this may be a recursive issue, but I see that we have
> the route recursing to the hub router, but not continuing from the hub
> to the second spoke.....
>
> R2#sh ip rou 192.168.1.3
> Routing entry for 192.168.1.0/24
> Known via "connected", distance 0, metric 0 (connected, via interface)
> Redistributing via eigrp 100
> Routing Descriptor Blocks:
> * directly connected, via Serial0/0
> Route metric is 0, traffic share count is 1
>
> I may be missing something. Sorry for hitting on some of the more basic
> things.
>
>
>
>
>
>
> Dave Schulz,
>
> Email: dschulz@dpsciences.com <mailto:dschulz@dpsciences.com >
>
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