From: Ivan (ivan@iip.net)
Date: Thu Feb 15 2007 - 07:45:00 ART
IGMP filtering deny receiver register at first-hop router therefore this
router don't join to the PT. Consecuent ping request don't forward to this
router.
On Thursday 15 February 2007 13:26, 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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-- Ivan
This archive was generated by hypermail 2.1.4 : Thu Mar 01 2007 - 07:38:46 ART