From: Chris Lewis (chrlewiscsco@gmail.com)
Date: Mon Jun 12 2006 - 07:11:36 ART
Feras,
It is always best to reduce the config as much as possible and troubleshoot
the underlying link layer and layer 3 connectivity first prior to looking at
multicast operation.
Can all your devices ping the RP address?
I'd not configure a tunnel to be addressed off its source interface either,
normally the tunnel source and destination would be physical interfaces if
you are unnumbering to a loopback address.
I ran a similar config like this up and to resolve your problem you need to
follow it step by step, make sure you can ping everything, make sure all
routers get the RP information and can reach the RP. From there it should be
clear on how to resolve the problem.
Chris
On 6/9/06, Feras Abunamous (fabunamo) <fabunamo@cisco.com> wrote:
>
> All,
>
> I hade the following scenario
> R1------ETH------R5-----Tun----R3-----ETH----R4
>
>
>
> I used bsr on R5 and igmp group join on R1. I can ping the group from
> the R3 through the tunnel but when I do sh ip pim rp on R3 it does not
> sh anything? I tried to ping from R4 and the ping always fail. I was
> wondering how come R3 can ping the group and does not sh the RP? And why
> the ping from R4 always fail? Any help will be appreciated.
>
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