From: Leigh Harrison (ccileigh@gmail.com)
Date: Thu Dec 08 2005 - 09:43:52 GMT-3
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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