Multicast Help

Unanswered Question

Hello everyone, we have deployed a CCM at our main office and are using out p2p T1 for connectivity to our warehouse. The phones work fine and all VLANs are communicating just fine. We are running a 2811 router with a NM-ESW-16 module to handle switching. We have also implimented an Informacast server by Berbee. The problem we are having is the Multicast configuration on the phone connected to the NM-ESW-16. They get the text but no audio. Any help is appreciated.

JB

I have this problem too.
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jasoninbtr Mon, 12/01/2008 - 16:03

Can you verify that your phones are getting a 10.10.20.x address?

Jason

jasoninbtr Wed, 12/03/2008 - 03:17

What does the output of 'sh ip pim nei' and 'sh ip pim int' look like from both sides of the WAN?

Jason, thank you so much for your help. When I looked at the 'sh ip pim int' command I noticed that on the router that is local to the informacast server the voice sub-interface did not have the 'ip pim sparse-dense-mode' command applied. The command was on the data sub-interface. I applied the command to the voice sub-interface and now it is working. Thank you very much for your time.

Jason

jasoninbtr Sat, 12/06/2008 - 05:42

Awesome! Glad I could help. Multicast has to be one of my least favorite technologies to configure and maintain.

Jason

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