[c-nsp] Preventing host with lower ip to become IGMP querier

[Pavel Dimow]

Hi Roman,

Already tried, but with no success, because I am not sure what to
enter as mrouter port considering fact that in normal scenario mrouter
is the switch itself.

On Mon, Oct 25, 2010 at 8:51 PM, Roman A. Nozdrin <drrtuy at ya.ru> wrote:
> Dear Pavel,
>
>> I have some strange situation (not that I really understand how it
>> works), but I want to prevent device connected to a port to become
>> IGMP querier because
>> it has a lower ip address. I have also made sure to configure profile
>> in order to prevent it for receiving (joining) any multicast groups
>> but all mcast traffic goes to this
>> port also. I don't have management on that device.
>
> It seems that Cisco switches lack of the forbidden mrouter interface
> command.
>
>> Thanks in advance for any help/tips
>
> You can try access-list at an interface which rejects "all hosts"
> destination traffic.
> There is also a tricky way. You can switch mrouter learning mode at the
> switch to CGMP and put some particular interfaces into a static mrouter
> mode. I'm sure CPE doesn't use CGMP.
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