Re: access-group Vs multicast boundary in this case

From: Hobbs (deadheadblues@gmail.com)
Date: Fri Feb 20 2009 - 13:52:39 ARST


Gaurav,
IGMP solution looks right. Remember hosts use IGMP to join groups. I believe
multicast boundary is used to filter PIM joins from routers (as opposed to
IGMP reports from hosts).

On Fri, Feb 20, 2009 at 8:03 AM, GAURAV MADAN <gauravmadan1177@gmail.com>wrote:

> Hi All
>
> I have a case which says :
>
>
> R4
> | f0/0
> |
> CLIENTS
>
> These clients shd only recieve feeds for groups 225.25.25.25 and
> 226.26.26.26
>
> I answered :
>
> Rack1R4(config-if)#do sh ip access-li
> Standard IP access list 17
> 10 permit 225.25.25.25
> 20 permit 226.26.26.26
>
> int f0/0
> ip multicast boundary 17
> !
>
>
> 2nd solution
> ---------------------
> Let these clients join these 2 grps only
>
> int f0/0
> ip igmp access-grp 17
> !
>
> Let me know if and why sol 1 is wrong ?
>
> Gaurav Madan
>
>
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