Re: Backup RP

From: Mike M (mike_malan@yahoo.co.uk)
Date: Thu Jun 05 2008 - 21:22:59 ART

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As far as I am aware (auto-rp) the primary RP should
be the interface with the higher numerical ip address.

So, in your case R4 loopback0 address should be the
designated RP if the R4 loopback address is higher
than R2 loopback0.

Cheers
Mike
 
--- 2008ccie@live.com wrote:

> hi experts
>
> i have 5 routers
>
> R1-------R2-----R3-----R4------R5
>
> R1 and R2 framerelay
>
> R2 R3 R4 R5 fastethernet
>
> I would like to announce R4 as the primary RP and R2
> as the Backup RP
>
> R4
> ip pim send-rp-announce Loopback0 scope 10
> group-list 20
> ip pim send-rp-discovery Loopback0 scope 10
>
> R2
> ip pim send-rp-announce Loopback0 scope 10
> group-list 20
> ip pim send-rp-discovery Loopback0 scope 10
>
> but R2 always select as primary RP
>
> can anyone correct me?
>
> how to set the backup RP?
>
> Regards
>
>
>

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