From: John Matus (John.Matus@tokiom.com)
Date: Wed Dec 07 2005 - 22:35:57 GMT-3
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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