multicast boundary

From: GAURAV MADAN (gauravmadan1177@gmail.com)
Date: Thu Feb 12 2009 - 13:06:02 ARST


HI All

I have a task that says multicast AUTO-RP announce and discovery messages
should not be sent out f0/0

Sol 1
************
 access-li 11 deny 224.0.1.39
access-li 11 deny 224.0.1.40
access-li 11 per any

int f0/0
ip multicast boundary 11

Sol 2
********
access-li 12 deny 224.0.0.0 0 15.255.255.255
acess-li 12 per any

int f0/0
ip multicast boundary 12 filter-autorp

As far as i understand ; In sol2 i dont want any multicast traffic coming in
this interface and also i am denying auto-rp announce and discovery messages
out this interface.
Am i right ?

Sol 3
*********

access-li 11 deny 224.0.1.39 access-li 11 deny 224.0.1.40
access-li 11 per any

int f0/0
 ip multicast boundary 11 filter-autorp

I am really confused with this "filter auto-rp " keyword now

Can someone explain the meaning of 3 sols given above

Thnx in advance
gaurav madan.

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