From: John Gibson (johngibson1541@yahoo.com)
Date: Wed Jun 27 2007 - 01:19:21 ART
Thanks for the validataion.
John
--- Ramya S <ramya_1975@hotmail.com> wrote:
> Msdp can be used for intradomain multicast for
> loadbalancing and also as a backup for the rp's
> incase of a failure.
>
> q1) if we just want to have a backup RP, is MSDP
> needed ?
>
> ans: Not needed. It can be achieved without using
> msdp for intradomain multicasting.
>
> HTH
> Ramya Sen.
>
>
>
> > Date: Tue, 26 Jun 2007 16:45:41 -0400> To:
> ccielab@groupstudy.com> From:
> johngibson1541@yahoo.com> Subject: if we just want
> to have a backup RP, is MSDP needed ?> > 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.> >
>
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