RE: How to block bsr message with ACL ?

From: Asfer Shah <s_asfar_at_hotmail.com>
Date: Tue, 15 Feb 2011 03:18:30 +0000

yes you are right it kills the PIM neighborship at all !
so once the all routers multicast addresses is restricted, we surely will be
able to block the RP leaking information.
but is this the only way to block the BSR messages other than pim-bsr border
command ??

thanks

> Date: Mon, 14 Feb 2011 14:43:31 -0600
> Subject: Re: How to block bsr message with ACL ?
> From: nilsi2002_at_gmail.com
> To: markolopez_at_gmail.com
> CC: ccielab_at_groupstudy.com
>
> Hi,
>
> I took a quick look at this awhile ago and didn't see how it could be
> done. I believe it was just a pim multicast to 224.0.0.13 which is
> needed for pim neighbor relationship. I'm just trying to recall from
> memory so I may be mistaken.
>
> -Rich
>
> On Thu, Feb 10, 2011 at 1:44 PM, Marco Lspez <markolopez_at_gmail.com> wrote:
> >> 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 Tue Feb 15 2011 - 03:18:30 ART

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