From: John Gibson (johngibson1541@yahoo.com)
Date: Wed Jun 27 2007 - 01:02:17 ART
In AnycastRP's idea, the backup RP can be far away
from the original RP.
HSRP needs them attached to the same broadcast domain.
John
--- Morten Christensen <mbc@dansupport.dk> wrote:
> How about hsrp to control who has the rp role?
>
>
> On 6/26/07 10:45 PM, "johngibson1541@yahoo.com"
> <johngibson1541@yahoo.com>
> wrote:
>
> > I know MSDP application AncastRP can be used to
> backup RP.
> >
> > I have experimented using 2 loopback interfaces in
> 2 routers
> > to backup each other as the RP address using 1
> single IP address.
> >
> > I don't use any MSDP , I have no problem switching
> over from
> > 1 RP to another.
> >
> > I know univrecd says the AncastRP application has
> no effect
> > on those receiver-source pairs that are actively
> receiving/sending
> > data because they are using shortest trees and RP
> is irrelevant.
> >
> > So, in my experiment, I stop the receiver as
> primary RP fails
> > in purpose just to see receiving leaf router
> triggering (*,G)
> > toward RP from scratch. It works fine.
> >
> > univercd says MSDP is good for monitoring
> continuously active source.
> >
> > My source is actively sending data throughout
> entire experiment too.
> >
> > I don't understand why we need MSDP for this
> purpose.
> >
> > I know there must be some subtle difference MSDP
> brings
> > I just don't understand.
> >
> >
>
This archive was generated by hypermail 2.1.4 : Sun Jul 01 2007 - 17:24:52 ART