From: Richard Dumoulin (richard.dumoulin@vanco.es)
Date: Fri Mar 12 2004 - 16:50:15 GMT-3
Hi
"This command applies to only PIM sparse mode configurations because its
functionality is dependent on the PIM sparse mode join message."
taken from Scott's link,
--Richard
-----Mensaje original-----
De: richardyun@adelphia.net [mailto:richardyun@adelphia.net]
Enviado el: viernes, 12 de marzo de 2004 20:40
Para: Brian McGahan; 'Packet Man'; ccielab@groupstudy.com
Asunto: Re: RE: IP PIM nbma-mode
Hi Brian,
Isn't "ip pim nbma-mode" used primarily for "ip pim sparse-mode" and not for
"ip pim sparse-dense-mode"?
Correct me if I'm wrong.
Thanks,
Richard
>
> From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
> Date: 2004/03/12 Fri PM 01:27:13 EST
> To: "'Packet Man'" <ccie2b@hotmail.com>, <ccielab@groupstudy.com>
> Subject: RE: IP PIM nbma-mode
>
> > 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?
>
> It's best not to associate general rules with configuration. Know
> what problem PIM NBMA mode is used to address. If you see this problem
> occur, then you know when it appropriate to use PIM in this fashion.
>
> > 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?
>
> Yes is must be on the interface where the IP address is configured
> and where PIM is enabled.
>
> > 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?
>
> Most of it I just make up, but no one seems to no the difference ;)
>
>
> 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: Packet Man [mailto:ccie2b@hotmail.com]
> > Sent: Friday, March 12, 2004 12:21 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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