From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Sun Oct 10 2004 - 21:42:16 GMT-3
Sam,
You can still run auto-rp in a sparse-only network without using
the listener command. All you have to do is manually assign an RP that
can accept join messages for the 224.0.1.39 and 224.0.1.40 groups.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> samccie2004@yahoo.co.uk
> Sent: Sunday, October 10, 2004 12:54 AM
> To: 'Craig Dorry'; 'Peter Ding'; ccielab@groupstudy.com
> Subject: RE: Auto-RP vs. static RP
>
> Another thing might be sparse mode Vs sparse-dense. If u are asked to
> only use sparse mode, I guess you will have to use static RP instead
of
> auto RP where initial discovery will not depend on dense mode.
>
> Then again, u can use listener command and bypass the need for dense
> mode.
>
>
> HTH
>
> Sam
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Craig Dorry
> Sent: 10 October 2004 02:51
> To: Peter Ding; ccielab@groupstudy.com
> Subject: Re: Auto-RP vs. static RP
>
> PD - As it has been mentioned before, it depends on a
> number of things.
>
> The main difference between auto-rp and static RP is
> where the configuration needs to be done to add a
> multicast group (or scope of groups). So it all
> depends on how much control you want to have as well
> as the size of the network and how comfortable the
> administrator is with pushing changes (ie ACL updates)
> to the number of devices under management.
>
> I've seen auto-rp selected most typically for either
> large networks or where the administrator wanted to
> have full control over what groups were forwarded (ie
> forcing users to "register" their multicast
> application/group prior to the network supporting the
> traffic.
>
> Hope this helps.
>
> --- Peter Ding <pding@cisco.com> wrote:
>
> > Since both auto-rp and static rp can be used in PIM
> > SM mode, what are the
> > criterias that will lead me to use one over other?
> >
> > Thanks,
> >
> > PD
> >
> >
>
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