From: Metin YILDIZLI (metin.yildizli@gmail.com)
Date: Thu Mar 08 2007 - 11:31:50 ART
Hi,
For example R1 connected to SW fa0/1
and if i want to that users from r1 behind can not joing 239.1.1.0/24 mcast
group
then I configure
on SW1
igmp profile 1
permit
range 239.1.1.1 239.1.1.255
on fa0/1
ip igmp filter 1
Is it correct or should i use deny?
Thanks
On 2/15/07, deji500@hotmail.com <deji500@hotmail.com> wrote:
>
> Hi GS
>
> I have a question that has been bugging me for a while. If you configure
> multicast filtering using ip igmp access-group, multicast boundary or ip
> igmp filter, should you still be able to receive echo replies from a router
> whose group membership has been limited by a multicast filter.
>
> For example
> R1 Connects to R2. On R2's ethernet connection to R1, you configure a
> filter denying 226.26.26.26. You configure the ip igmp join-group
> 226.26.26.26 on R1 anyway. R3 sits elsewhere on the network. If you ping
> 226.26.26.26 from R3, should R1 answer? I have checked many different labs
> as well as DocCD and the only way used to verify this type of scenario is to
> check the config.
>
> Please help
>
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