[c-nsp] Multicast group but no traffic

[John Neiberger]

If you see an mroute for it but the traffic is not arriving, either the
upstream router isn't sending it to your or the TTL is expiring. If this is
IOS, check "show ip traffic" for the bad hop count and see if it's rapidly
increasing. If it is, the TTL is expiring at your hop. Also check for ACLs
that could be blocking it. You may also have an RPF problem in certain
weird cases. Do "show ip rpf <source>" and make sure it shows the interface
you expect.

John


On Fri, May 9, 2014 at 11:53 AM, Scott Voll <svoll.voip at gmail.com> wrote:

> I'm working on rolling out my Multicast across my WAN.
>
> I can see the Multicast group on the WAN router and I can see it on the
> switch interface, but I'm not getting the traffic.  What should I be
> looking at?
>
> TIA
>
> Scott
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