[c-nsp] Enabling PIM on loopback's in Anycast RP environment

[Tim Stevenson]

I always enable it out of habit, but AFAIK it's not actually 
necessary. I don't know of any recommendation one way or another. 
I've cc'd a couple other Cisco folks who are probably more qualified 
to make one ;)

Tim

At 02:56 AM 1/13/2006, Tantsura, Jeff contended:
>Maybe someone from Cisco could explain?
>
>Tim, you are well known multicast expert, would you please?
>
>--
>Jeff Tantsura  CCIE# 11416
>Senior IP Network Engineer
>
>
>-----Original Message-----
>From: lee.e.rian at census.gov [mailto:lee.e.rian at census.gov]
>Sent: 10 January 2006 20:32
>To: Tantsura, Jeff
>Cc: 'cisco-nsp at puck.nether.net'
>Subject: Re: [c-nsp] Enabling PIM on loopback's in Anycast RP environment
>
>"Tantsura, Jeff" <jtantsura at upcbroadband.com> wrote on 01/10/2006 07:15:50
>AM:
>
> > Hi ALL,
> >
> > In all cisco multicast Anycast RP designs PIM is enabled on both anycast
>and
> > MSDP originator loopback's, I have always done it this way as well
>but....
> > is this really necessary?
>
>I asked the same question a while back on the multicast list & was told it
>was needed.  Nobody could explain why tho...
>
>Lee



Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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