[cisco-voip] MoH Multicast

michaelreilly at nc.rr.com michaelreilly at nc.rr.com
Wed Nov 3 08:38:59 EST 2004


can you send a show run and what ver of cm are you running!

----- Original Message -----
From: "Voll, Scott" <Scott.Voll at wesd.org>
Date: Tuesday, November 2, 2004 6:40 pm
Subject: RE: [cisco-voip] MoH Multicast

> This is what my show ccm-manager music shows:
> 
> macgw#sh ccm mus
> Current active multicast sessions : 1
> Multicast       RTP port   Packets       Call   Codec    Incoming
> Address         number     in/out        id              Interface
> ===================================================================
> 239.1.1.3         20000   0/0              58577   g729r8
> 
> As you can see, it knows the multicast address and port, but no 
> packetsare flowing and it doesn't show a incoming interface.
> 
> Scott
> 
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [cisco-voip-bounces at puck.nether.net] On Behalf Of Voll, Scott
> Sent: Tuesday, November 02, 2004 1:48 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] MoH Multicast
> 
> I have CM setup to use Multicast for MoH.  It works on the local 
> LAN but
> over my WAN all I get is silence.
> 
> When I do a Sh ccm music I see the the multicast address and RTP port.
> I see the codec is G729 but I have no incoming interface and 
> packets are
> not going in or out.  Based on that, I think my configs are good.
> 
> IP Mutlicast routing
> 
> Ip pim sparse-dense-mode on each interface
> 
> ip pim rp-address x.x.x.x to the main router.
> 
> What else am I missing?  I'm not sure it's a codec / bandwidth 
> issue on
> CM.  Can someone direct me?
> 
> Thanks
> 
> Scott
> 
> 
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