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Multicasting with 6509 core switch and 3750 edge switches

Hi everybody.
I have a 6509 core switch and assoxiated routers, the switch is running Catos :-(
I'm trying to configure the core switch, associated routers and edge 3750 to support Vocera multicast traffic.
So far I have been able to multicast only with 2 Vocera badges connected to an AP which is directly connected to the core switch, I seem unable to enable the multicast traffic anywhere else!
I am very interested in learning if config is required on any edge switches?

Vocera recommend disabling IGMP snooping, however the only command I can see in CATOS is 'set igmp disable' which turns ALL IGMP off I believe? I think I need to have IGMP enabled, and IGMP snooping disabled.

Could anybody advise me the best way to configure this please?

Thanks!

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Sniper98G

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hau_it

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David_Bell20

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Thanks folks.

I have resolved this now.

In the end the problem was I hadn't configured multicasting on the AP management vlan.
I struggled with the core being catos, still not sure igmp is working as it should be though. 'no ip igmp snooping' is an IOS command, hence I am still not convinced that igmp snooping is disabled.

So - one last question folks - how so I disable igmp snooping in CATOS?

Thanks for the responses, both are very helpful.

Regards

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David_Bell20

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