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IGMP snooping Cisco 3560

m.skaarup
Beginner
Beginner

Hello,

I have a Vlan where I got TV set top boxes and computers connected.

The TV set top boxes receive their TV channels via multicast. I can't seem to get  IGMP snooping to handle the multicast. From what i understand IGMP is enabled by default so why is it not working?  

Computers connected to the vlan receives multicast that is intended for the set top boxes.

My core switch is a Cisco 3560 which does all the routing and the rest of the switches are Cisco 2960.

1 Reply 1

m.skaarup
Beginner
Beginner

Looks like i solved it my self. Was missing the following command on my core switch :  ip igmp snooping querier

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