From: Mike O (mikeeo@email.msn.com)
Date: Sat Jul 01 2006 - 22:40:48 ART
Bob,
So if I have a situation where I'm running sparse-mode and I need to go
across a frame-relay cloud then I need to enable ip pim nbma-mode? I thought
if you had p-t-p interfaces or DLCI's mapped with the broadcast keyword you
didn't need it.
----- Original Message -----
From: "Bob Sinclair" <bobsinclair@frontiernet.net>
To: "Mike O" <mikeeo@email.msn.com>; <ccielab@groupstudy.com>
Sent: Saturday, July 01, 2006 9:25 PM
Subject: Re: ip pim nbma-mode when to and when not to use it???
> Mike,
>
> If using Sparse Mode, PIM NBMA-Mode can be used to solve Outgoing
> Interface
> List problems on multi-point interfaces. It allows the source to be on
> one
> spoke and a receiver on another. It also permits the BSR to be on a
> spoke.
>
> What exactly do you mean when you say that "the could is broadcast"? OSPF
> Network type? It will not make any difference, AFAIK.
>
> Were you able to get multicast traffic from the source to all clients
> without
> using NBMA mode?
>
>
> Bob Sinclair
> CCIE #10427, CCSI 30427
> www.netmasterclass.net
>
> ----- Original Message -----
> From: Mike O
> To: ccielab@groupstudy.com
> Sent: Saturday, July 01, 2006 7:50 PM
> Subject: ip pim nbma-mode when to and when not to use it???
>
>
> I just completed a vendor lab and thinking I had ace'd the multicast
> section. I missed the ip pim nbma-mode command on the frame-relay
> interfaces.
>
> Now the Frame cloud was broadcast. It's my understanding that if the
> cloud
> is broadcast then ip pim nbma-mode is not needed.
>
> The multicast setup up was PIM v2 BSR sparse-mode. Would that make a
> difference?
>
> -Mike
>
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