[cisco-voip] Multicasting Speakers and Feed IP command

[Robert Kulagowski]

Ian J. Pitts wrote:
> You will need to have ip pim on every layer 3 hop interface.
> 
> If I read your email correctly you have a 3845 with a dot1q interface  
> serving both vlan 10 & 999. This is fine provided the 3845 has  
> multicast routing enabled and both vlan interfaces on the 3845 for  
> vlan 10 and 999 have ip pim enabled.
> 
> If you have any other layer 3 hops between the devices those vlan  
> interfaces will also need ip pim.

Right, once I installed the ip services image I was able to add the pim 
sparse-dense-mode command to the two vlan interfaces on the 3750 switch 
and it worked.

Thanks for the kick in the right direction.