[c-nsp] send multicast over non-multicast-enabled switch

[Arie Vayner (avayner)]

Victor,

You could actually use GRE for that. The 7600 can do GRE in hardware
(assuming you have Sup720 and up).

You need to make sure that the multicast source would be an IP routed
through the GRE tunnel on the 7600, or else you would get RPF failures.

I would say the best practice would be to get a switch that can handle
multicast, and the above would be a workaround.

Arie

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of victor
Sent: Monday, September 28, 2009 19:28
To: cisco-nsp at puck.nether.net
Cc: cisco-nsp at puck.nether.net
Subject: [c-nsp] send multicast over non-multicast-enabled switch

Hi.
I was assigned with a task to set up a video streaming server and use a

blade server for it. The problem is that the network connectivity module

for the blade chassis is not dotQ multicast aware and simply drop all
the  
224.0.0.0/4 data. What options do I have to get the traffic through? I
am  
thinking may be it is possible to encapsulate the stream into gre and
then  
safely transport it to the RP? Or may be I can send it as unicast and
then  
convert it somehow into multicast? Is there a best practices guide for  
this matter?
The blade runs Linux and over the trunk connected to the RP which is
Cisco  
7604.

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