Re: Multicast In Inter-AS MPLS VPN's

Are you running MSDP between two ASNs? Is the same default mdt group
used? Are you, by some chance using SSM in either or both of them
(since you mention RPs, my guess is "no", but I need to make sure)?

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On Thu, Dec 16, 2010 at 01:12, Asfer Shah <s_asfar_at_hotmail.com> wrote:
> Dear All,
> I am having troubles configuring Multicast MPLS-VPN in Inter-AS scenarios.
>
> What happens is that the Site-to-Site VPN's work fine and I can see the
> traffic going across the MPLS core and reaching end to end.
> But when we have another AS, and when we run pim on ASBR's traffic somehow
> starts to flow towards towards the other ASBR instead of going between the two
> sites in one AS.
> The moment we shut down the interlink ASBR-ASBR , it works fine in one AS, but
> the moment both the ASBR's see each other as PIM neighbors, the traffic starts
> to flow on the interlink.
> Can any one suggest what exactly needs to be checked here.
> I made assure that the RPF failure is not happning and also the RP information
> of both the AS's are not leaking between the two AS.
> I can share the the topology with you as well.
>
> thanks
>
>
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