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Problem with IP Multicast on 6500 with redundant SUPs w/ both MSFCs active.

Are there any know issues with running IP multicast on a CAT6500 (in Hybrid mode) with redundant supervisors where both MSFCs are active, running HSRP?

We have been having issues with a few sites where this particular configuration exists.

1 REPLY
VIP Purple

Re: Problem with IP Multicast on 6500 with redundant SUPs w/ bot

Hello,

regardless of your platform, the Cisco view is that Cisco Hot Standby Router Protocol (HSRP) is designed for host in last hop networks, in order to have a failover for Unicast routing. It is not generally recommended to use HSRP for IP multicast routing.

There is a known issue with multicast and HSRP, not sure if that applies to you:

http://www.cisco.com/warp/public/619/hsrpmcast.html

Regards,

Georg

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