RE: ip multicast boundary vs. ip igmp access-group

From: dusth@comcast.net
Date: Thu Sep 01 2005 - 11:18:54 GMT-3


Simon,
Thanks for the explanation. I'm clearer understand now.
Dustin

-------------- Original message --------------

> Dustin,
>
> The difference between the two commands are:
>
> ip multicast boundary - this will prevent mulicast traffic within the
> specified access list from transiting the interface, thus blocking the
> defined traffic.
>
> ip igmp access-group - this will prevent hosts within the attached subnet
> from joining multicast groups identified within the associated access list.
> This command does not stop the multicast traffic from transiting the
> interface (ie to a PIM neighbor), just stops the hosts from joining.
>
> HTH
>
> Simon
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> dusth@comcast.net
> Sent: 01 September 2005 13:43
> To: ccielab@groupstudy.com
> Subject: ip multicast boundary vs. ip igmp access-group
>
>
> Hello group,
> I'm confused the difference between < ip multicast boundary vs. ip igmp
> access-group>. I do not know exactly when to use one or the other. Is > mulitcast boundary> command used when filter out only one single multicast
> stream? In contrast, is command used when need to
> filter a range of multicast stream?
> Please help.
> Thanks,
> Dustin
>
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