How can I block IGMP querier but let pass multicast flows

[benedict lawrence]

Dear,

I have a question regarding IGMP query blocking configuration.

I would like to block a distant side of level 2 network to have its switch A as the IGMP querier of my internal side level 2 network as this switch A gets the lower IP address.

Currently a local switch B (other constructor), that have the command "no igmp querier" permits the isolation between the two sides of the level 2 networks and permits to block IGMP query from switch A.

I want to replace the switch B by a CISCO switch, but the issue is that only ACL( if I'm right) could permit that, the issue is that IGMP querry are supposed to be in general query (adressgroup.0.0.1) but I know that there are specifics IGMP queries that are send by group address,

So how can I filter only IGMP query to be blocked, and let multicast flows transiting well ?

Thanks,

B.R.

[Marwan ALshawi]

Hi there

You can achieve this on cisco switches by using ip igmp profile

See the bellow example

http://anetworkerblog.com/2008/07/28/igmp-profile/

Hope this help

If helpful rate

[Marwan ALshawi]

Let me know if this meet your requirements !