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How to enable CGMP without enabling multicast routing???

Unanswered Question
Jul 23rd, 2002
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Good afternoon,


I have a network architecture of 2 C5500 with RSM/NFFC2 and 4 VLAN's directly attached on a delta configuration: switch dual attached with STP and HSRP redundancy.

I would like to enable CGMP + IGMP snooping to constrain multicats at layer 2 only and not route any multicast traffic between the VLAN's.

Since I need to enable multicast routing on the RSM on all the VLAN interfaces where I will use CGMP, is there a way not to route traffic while still using CGMP?


Here is the configuration:

Multicast Router

Enable the IP multicasting (global command):

ip multicast-routing


Enable each interface running CGMP (interface mode):

ip pim sparse-mode

ip cgmp


Thanks for your help,


Pierre

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