Re: How to Filter BSR Messages without the IP PIM BSR Command

Another way to block or limit BSR besides the boundary command - Use the
scope option?

For the group you mention below, this is related to auto-rp. For auto-rp,
you can use a ip mcast boundary.

I was about to copy and paste the link here, but figured it is worth the
practice of looking up the reference via the doc cd ... hope you do not mind
me leaving the link out!

Have a good night!

Andrew L Lissitz (all)

On Sat, Jan 29, 2011 at 10:39 PM, Asfer Shah <s_asfar_at_hotmail.com> wrote:

> Hey Everyone,
> Can anyone explain how to filter the BSR messages on the interface.
> I have 2 ASBR's and both of them do not want to leak their Internal AS RP
> Information to the other AS
>
> One way of doing that is applying IP PIM BSR-BORDER command on the inbound
> interface, but what if I am restricted to do that and to gain the same
> result
> from the use of an ACL.
> I have tried denying the Multicast group 224.0.1.40 traffic inbound on the
> inter-as link but no luck, infact I dont find any hits on the interface for
> the group.
>
> I am runinning PIM sparse mode on the Inter-AS link, but I cannot filter
> the
> BSR messages between the AS's.
>
> Can someone please help ??
> thanks !!!!
>
>
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-- 
Andrew Lee Lissitz
all.from.nj_at_gmail.com
Blogs and organic groups at http://www.ccie.net