How to block bsr message with ACL ?

> Hi,,
>> I need your help to clarify any doubts about IP multicasting, for example if
>> I have two AS (AS10 ---- AS20) and two routers as ASBRs interconnecting
>> each AS.
>> and if I'm using PIM SM, RP BSR in each AS. Normally at the WAN
>> interfaces of each ASBRs I use the command "ip pim bsr-border" to prevent
>> BSR messages from being sent or received (Leaked between domains).
>>
>> So far we're fine, the question itself is. How do I filter RP information
>> between domains without using the command "ip pim bsr-border", but they
>> ask me to configure an ACL to get the result. ??
>>
>> Have any idea of how to do it via ACL?
>>
>>
>> Thanks!

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Received on Thu Feb 10 2011 - 13:44:45 ART