From: Narbik Kocharians (narbikk@gmail.com)
Date: Sat Dec 01 2007 - 16:49:00 ART
Remember that in BSR:
Once the BSR is elected and the RP/s have Unicasted their existance to the
BSR, the BSR will elect an RP for a given group based on the following:
If there is only a single RP, that router is selected.
If there are multiple RPs with overlapping groups, it will choose the RP
that is advertising the longest prefix length.
If the RPs are advertising the same prefix-length, then the RP with
the highest priority (Lowest number) is chosen.
If the priorities are identical, then a hash function is run; the input is
the group-prefix, hash-mask and the IP address of the RP; the output is
some numeric value. The RP with the highest value is selected.
If the result of the hash is identical, then, the RP with the highest
IP address is selected.
On 12/1/07, abderrahim sadki <a_sadki1@hotmail.com> wrote:
>
> sorry the question was silly.
> the auto-rp with higher ip elected but i made a mistake with the bsr it
> shoudl be lower priority> From: a_sadki1@hotmail.com> To:
> ccielab@groupstudy.com> Subject: auto-rp & bsr priority ( just a
> confirmation)> Date: Sat, 1 Dec 2007 07:40:37 +0000> > hi all,> > I would
> like
> to confirm one thing.> we can play with the priority of the auto-rp router
> by
> giving one rouer higher> priority over the other.> Also with bsr we can
> give a
> higher priority to the router that will have act> as candidate rp and the
> one
> that will be the bsr .> > is my understanding correct?> > Thanks,>
> Abderrahim>
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-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 www.Net-WorkBooks.com
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