Multicast question - CGMP

Unanswered Question
Peter Paluch Sun, 07/26/2009 - 13:00

Reza,

Thanks, that is a very useful link!

Also, it should be stressed that the CGMP is Cisco-proprietary protocol and must be supported both by switch AND router. In CGMP, it is the router that controls the switch using CGMP. Without a CGMP-compliant router, the switch will not provide any optimized multicast delivery, and will flood all multicast packets out every port except the inbound port.

Best regards,

Peter

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