Multicast Question

From: Mark Stephanus Chandra (mark.chandra@gmail.com)
Date: Mon Aug 25 2008 - 22:18:44 ART

Guys,

I have a simple question about multicast. I'm wondering why ip multicast
route static always perform on client attached router and no ip multicast
route static to come back from the source ?

like these example of question :

Multicast Source -------- R4 -----------R3--------------R1-------Multicast
Client

Connection between R4 - R3 - R1 happen to be frame-relay, so it is a hub
and spoke topology with R3 as the hub.

The solution is create tunnel between R4 and R1 using ip mroute to multcast
source on R1 with Tunnel interface as the gateway and there is no ip
multicast static route to go back to multicast client.

The Question is How R4 going back to R1 ? Using unicast routing table ?

If Yes then it's not going back using the interface tunnel right ? so it is
not a symectric routing solution.

 Hope you guys know what I meant

Thanks a lot 

-- 
Mark Stephanus Chandra

Blogs and organic groups at http://www.ccie.net

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