From: Abdul (rslab007@gmail.com)
Date: Sat Dec 13 2008 - 14:22:43 ARST
If your using AutoRP to determie the group-to-rp mappings, then
have two routers (Candidate-RPs) announce thier RP candidacy. Using your
loopback (or any interface for that matter) announce have one of the routers
announce a higher IP address than the other.
So for example
Router A (this is a candidate RP, that you want to be primary)
ip pim send-rp-announce 2.2.2.2 scope 16
Router B (This is a candidate RP that you want to be backup)
ip pim send-rp-announce 1.1.1.1 scope 16
This way, the router thats the mapping agent will send out via the the
primary rp (Router A), but if in event Router A fails to announce its
candidacy (which is sent every 60seconds to the mapping agent), the mapping
agent will send the next highest Candidate for the groups which would be B.
On Sat, Dec 13, 2008 at 7:05 AM, shank shank <shankshink@yahoo.com> wrote:
> hello,
> i was asked in a task to use one of tow rp's as a backup rp. i
> was trying to use the dr-priority command but that only effects the link DR
> but it doe not cause the rp to be a backup for one aother. cna anyone point
> me in the right direction? any hints, tips, links, or ideas on this topic?
> thanks,
>
>
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