From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Thu Dec 08 2005 - 11:04:10 GMT-3
BSR is an open standard. In general it is better to use
standards based protocols instead of proprietary ones in implementation.
Also BSR uses hop by hop advertisements so you don't get the recursive
error of having to join 224.0.1.39 and 224.0.1.40 to be able to join a
group.
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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> -----Original Message-----
> From: Schulz, Dave [mailto:DSchulz@dpsciences.com]
> Sent: Thursday, December 08, 2005 7:59 AM
> To: Leigh Harrison; John Matus
> Cc: Brian McGahan; ccielab@groupstudy.com; nobody@groupstudy.com
> Subject: RE: another dumb multicast question
>
> Leigh -
>
> Any specific reasons why you prefer BSR over Auto-RP? Just asking
> because I am having some quirky issues with Auto-RP.
>
>
> Dave Schulz
> Email: dschulz@dpsciences.com
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Leigh Harrison
> Sent: Thursday, December 08, 2005 7:44 AM
> To: John Matus
> Cc: Brian McGahan; ccielab@groupstudy.com; nobody@groupstudy.com
> Subject: Re: another dumb multicast question
>
> Just to throw in my 2 cents,
>
> I tend to use BSR rather than auto RP when fiddling with sparde
> mode.....
>
> LH
>
>
>
> John Matus wrote:
>
> >ok, i see what you are saying.............so if a question was throw
> out
> >that said "use auto-rp for all groups that are not link-local...." or
> >something to that extent, you could do this.....
> >
> >
> >Regards,
> >
> >John D. Matus
> >Technical Support / PAS
> >Fujitsu Consulting
> >626-568-7716
> >John.Matus@tokiom.com
> >
> >
> >
>
> > "Brian McGahan"
>
> > <bmcgahan@interne
>
> > tworkexpert.com>
> To
> > Sent by: "John Matus"
>
> > nobody@groupstudy <John.Matus@tokiom.com>
>
> > .com
> cc
> > <ccielab@groupstudy.com>
>
> >
> Subject
> > 12/07/2005 05:40 RE: another dumb multicast
> question
> > PM
>
> >
>
> >
>
> > Please respond to
>
> > "Brian McGahan"
>
> > <bmcgahan@interne
>
> > tworkexpert.com>
>
> >
>
> >
>
> >
> >
> >
> >
> > No I'm saying to use that config in conjunction with
> auto-rp.
> >All your groups are auto-rp assigned with the exception of the
> >candidate-rp and mapping agent groups, which are statically assigned.
> >
> >
> >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
> >24/7 Support: http://forum.internetworkexpert.com
> >Live Chat: http://www.internetworkexpert.com/chat/
> >
> >
> >
> >
> >>-----Original Message-----
> >>From: John Matus [mailto:John.Matus@tokiom.com]
> >>Sent: Wednesday, December 07, 2005 7:36 PM
> >>To: Brian McGahan
> >>Cc: ccielab@groupstudy.com
> >>Subject: RE: another dumb multicast question
> >>
> >>ok, i see what you are saying...............i should have said that
i
> >>
> >>
> >was
> >
> >
> >>thinking in terms of auto-rp, not static rp's.......... yes, i know
> >>
> >>
> >you
> >
> >
> >>can
> >>configure static rp to point to clients to the rp locations, but if
> >>
> >>
> >you
> >
> >
> >>can
> >>only use auto-rp, or bootstrap, i was thinking you had some magical
> >>
> >>
> >way to
> >
> >
> >>define those groups that i was not aware of... :) thanks dude!
> >>
> >>
> >>Regards,
> >>
> >>John D. Matus
> >>Technical Support / PAS
> >>Fujitsu Consulting
> >>626-568-7716
> >>John.Matus@tokiom.com
> >>
> >>
> >>
> >> "Brian McGahan"
> >> <bmcgahan@interne
> >> tworkexpert.com>
> >>
> >>
> >To
> >
> >
> >> "John Matus"
> >> 12/07/2005 05:33 <John.Matus@tokiom.com>
> >> PM
> >>
> >>
> >cc
> >
> >
> >> <ccielab@groupstudy.com>
> >>
> >>
> >>
> >Subject
> >
> >
> >> RE: another dumb multicast
> >>
> >>
> >question
> >
> >
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>>ok, so .39 and .40 only run in dense mode....
> >>>so even tho you configure an interface in sparse mode, the global
> >>>
> >>>
> >>command
> >>
> >>
> >>>"forces" the interface to run in dense mode for .39 and .40 only
<?>
> >>>
> >>>
> >>Yes. You can see this in the "show ip mroute" output.
> >>
> >>
> >>
> >>>this begs the question............how would you configure this???
i
> >>>
> >>>
> >>don't
> >>
> >>
> >>>have a router in front of me so i'm thinking perhaps an "ip igmp"
> >>>
> >>>
> >>command
> >>
> >>
> >>>of some-sort or else some kind for a static mroute perhaps???
> >>>
> >>>
> >>ip pim rp-address 1.2.3.4 1
> >>!
> >>access-list 1 permit 224.0.1.39
> >>access-list 1 permit 224.0.1.40
> >>
> >> This is covered in the multicast sections of IEWB-RS
3.0,
> >>
> >>
> >and
> >
> >
> >>I
> >>think the 2.0 version as well.
> >>
> >>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
> >>24/7 Support: http://forum.internetworkexpert.com
> >>Live Chat: http://www.internetworkexpert.com/chat/
> >>
> >>
> >>
> >>
> >>>-----Original Message-----
> >>>From: John Matus [mailto:John.Matus@tokiom.com]
> >>>Sent: Wednesday, December 07, 2005 7:04 PM
> >>>To: Brian McGahan
> >>>Cc: ccielab@groupstudy.com
> >>>Subject: RE: another dumb multicast question
> >>>
> >>>ok, so .39 and .40 only run in dense mode....
> >>>so even tho you configure an interface in sparse mode, the global
> >>>
> >>>
> >>command
> >>
> >>
> >>>"forces" the interface to run in dense mode for .39 and .40 only
<?>
> >>>
> >>>
> >>><You can also run
> >>>sparse mode only without auto-rp listener if you statically define
> >>>
> >>>
> >an
> >
> >
> >>RP
> >>
> >>
> >>>to send joins for 224.0.1.39 and 224.0.1.40.>
> >>>
> >>>this begs the question............how would you configure this???
i
> >>>
> >>>
> >>don't
> >>
> >>
> >>>have a router in front of me so i'm thinking perhaps an "ip igmp"
> >>>
> >>>
> >>command
> >>
> >>
> >>>of some-sort or else some kind for a static mroute perhaps???
> >>>
> >>>Regards,
> >>>
> >>>John D. Matus
> >>>Technical Support / PAS
> >>>Fujitsu Consulting
> >>>626-568-7716
> >>>John.Matus@tokiom.com
> >>>
> >>>
> >>>
> >>> "Brian McGahan"
> >>> <bmcgahan@interne
> >>> tworkexpert.com>
> >>>
> >>>
> >>To
> >>
> >>
> >>> "John Matus"
> >>> 12/07/2005 04:57 <John.Matus@tokiom.com>,
> >>> PM <ccielab@groupstudy.com>
> >>>
> >>>
> >>>
> >>cc
> >>
> >>
> >>>
> >>>
> >>Subject
> >>
> >>
> >>> RE: another dumb multicast
> >>>
> >>>
> >>question
> >>
> >>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> It does run in dense mode, that's what auto-rp
listener
> >>>accomplishes. Auto-RP listener is essentially sparse-dense mode,
> >>>
> >>>
> >but
> >
> >
> >>>you're only dense for 224.0.1.39 and 224.0.1.40. You can also run
> >>>sparse mode only without auto-rp listener if you statically define
> >>>
> >>>
> >an
> >
> >
> >>RP
> >>
> >>
> >>>to send joins for 224.0.1.39 and 224.0.1.40.
> >>>
> >>>
> >>>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
> >>>24/7 Support: http://forum.internetworkexpert.com
> >>>Live Chat: http://www.internetworkexpert.com/chat/
> >>>
> >>>
> >>>-----Original Message-----
> >>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
Behalf
> >>>
> >>>
> >>Of
> >>
> >>
> >>>John Matus
> >>>Sent: Wednesday, December 07, 2005 6:39 PM
> >>>To: ccielab@groupstudy.com
> >>>Subject: another dumb multicast question
> >>>
> >>>just trying to get my information correct.
> >>>
> >>>let's say you are running auto-rp and you have mapping agents that
> >>>
> >>>
> >are
> >
> >
> >>>not
> >>>directly connected to the c-rp...........and you're running in
> >>>
> >>>
> >sparse
> >
> >
> >>>mode.
> >>>will "ip pim auto-rp-listener overcome the issue for the mapping
> >>>
> >>>
> >agent
> >
> >
> >>>like
> >>>it does for a client/router, or does 224.0.1.39 have to run in
> >>>dense-mode
> >>>only?
> >>>
> >>>
> >>>Regards,
> >>>
> >>>John D. Matus
> >>>Technical Support / PAS
> >>>Fujitsu Consulting
> >>>626-568-7716
> >>>John.Matus@tokiom.com
> >>>
> >>>
> >>>
>
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