From: shiran guez (shiranp3@gmail.com)
Date: Tue Feb 26 2008 - 13:40:47 ARST
Sadiq
igmp filter will not preven PIM, they are not the same! with IGMP filter you
only control hosts not routers.
On Tue, Feb 26, 2008 at 5:37 PM, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:
> Andy,
>
> I understand where you are comin from. They could be used in a similar
> fashion to achieve the same result (not getting the traffic to go out
> an interface).But the way they are used to achieve the same result
> differs.
>
> By not allowing IGMP joins from an interface, you would not even have
> this router send out a PIM join upstream towards the RP in sparse mode
> PIM and hence you are controlling the MCast traffic flow for those
> groups you have blocked in your IGMP filter access list.
>
> Whereas directly using the MCast bounday acts on the actual traffic
> destined for any MCast IP addresses (as well as filtering Auto-rp
> messages).
>
> HTH
>
> Sadiq
>
-- Shiran Guez MCSE CCNP NCE1 http://cciep3.blogspot.com http://www.linkedin.com/in/cciep3
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