multicast boundry versus igmp access-group

From: James Simons (ccie.jimmy@gmail.com)
Date: Fri Jun 02 2006 - 13:10:09 ART

hello all,

I have a question about denying multicast groups out an interface. I have
found two possible commands:

ip igmp access-group [acl]

and

ip multicast boundry [acl]

could someone please tell me what the difference is between using these.
from what I can tell, they can both accomplish the same goal.

thanks,

jimmy

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