Re: How to verify the BSR Election ?

From: Ben (bmunyao@gmail.com)
Date: Fri Jun 29 2007 - 10:35:02 ART


Louis,

If I'm not mistaken, the BSR does not elect RP. Instead, it compiles the RP
set from the unicast RP candidate announcements, and multicasts this to all
PIM routers using 224.0.0.13. Each PIM router then elects RP for each group
address, based on candidate RP priority setting, or BSR candidate hash mask.

HTH

Ben

On 6/29/07, louis john <west_coast@inbox.com> wrote:
>
> Hi Group : I have collected the following debug out of the BSR router ,
> please tell me if this way of verification is valid to know who was elected
> as RP
>
> debug ip pim bsr
>
> *Mar 1 01:25:30.175: PIM-BSR(0): RP-set for 224.0.0.0/4
> *Mar 1 01:25:30.179: PIM-BSR(0): RP(1) 130.100.5.5, holdtime 11 sec
> priority 100
> *Mar 1 01:25:30.179: PIM-BSR(0): RP(2) 130.100.2.2, holdtime 119 sec
> priority 200
>
>
> in the above debug, can we say R5 was elected because of two things : ?
>
> 1 - Lower Priority
> 2 - RP(1) is shown as the first RP in the RP-set.
>
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