From: Scott Morris (swm@emanon.com)
Date: Fri Mar 12 2004 - 16:29:52 GMT-3
The placement of your pim modes will be specific to each interface. It's
technically placed based on your IP address configuration. Typically we
don't have IP configured on our physical AND sub-interfaces, although you
may see this. :)
HTH,
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, CISSP,
JNCIS, et al.
IPExpert CCIE Program Manager
IPExpert Sr. Technical Instructor
swm@emanon.com/smorris@ipexpert.net
http://www.ipexpert.net
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Packet Man
Sent: Friday, March 12, 2004 1:21 PM
To: bmcgahan@internetworkexpert.com; ccielab@groupstudy.com
Subject: RE: IP PIM nbma-mode
Thanks, Brian.
Now, just to be 100% sure, you're saying that on the spoke F/R routers,
nbma-mode isn't needed, but having it there doesn't do any harm. And, as
long as it's configured on the hub F/R router everything's OK. correct?
Also, if a F/R interface has p2m subinterfaces, does it matter whether the
multicast interface commands (ip pim sparse-dense-mode, ip pim nbma-mode)
are configured on the physcial interface or p2m sub-interfaces?
thanks again.
PS: How do manage to keep so much info in your head? It seems like you
never suffer from leaky bucket syndrone. How is that?
>From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
>To: "'Packet Man'" <ccie2b@hotmail.com>,<ccielab@groupstudy.com>
>Subject: RE: IP PIM nbma-mode
>Date: Fri, 12 Mar 2004 11:49:33 -0600
>
> If there is only a single circuit on the interface it would not be
>appropriate to configure nbma mode, however it wouldn't really do anything
>bad.
>
> The point of nbma mode is to associate a particular circuit in the
>outgoing list instead of the interface itself. This is accomplished by
>associating the neighbor IP address instead of the interface. In the case
>that there is only one neighbor on the interface, associating either the
>interface or the neighbor ip address in the OIL would accomplish the same
>thing.
>
>
>HTH,
>
>Brian McGahan, CCIE #8593
>bmcgahan@internetworkexpert.com
>
>Internetwork Expert, Inc.
>http://www.InternetworkExpert.com
>Toll Free: 877-224-8987 x 705
>Outside US: 775-826-4344 x 705
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Packet Man
> > Sent: Friday, March 12, 2004 11:39 AM
> > To: ccielab@groupstudy.com
> > Subject: IP PIM nbma-mode
> >
> > Hi guys,
> >
> > In Solie's PS II, his example shows "ip pim nbma-mode" configured on all
> > p2m
> > interfaces connected to the F/R network. I thought this was only needed
> > on
> > the hub router - not on the spoke routers.
> >
> > Is this a mistake in my thinking or has Solie made another mistake?
> >
> > Also, if this command is needed on the spoke routers, could someone
> > explain
> > why.
> >
> > Thanks in advance, pm
> >
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