Re: INE Video Blog - Auto-RP over NBMA Design Issues (was RE:

Thanks for amzaing vedio ..

On Fri, Aug 19, 2011 at 8:32 AM, Brian McGahan <bmcgahan_at_ine.com> wrote:

> There was a thread regarding these design issues of Auto-RP over NBMA on
> the INE forums in the past couple days, so I put together a Video Blog post
> on the subject so you can see the problem and solution live in action. You
> can find the post here: http://goo.gl/Jkx6O
>
> Specifically this video focuses on possible solutions of running Auto-RP
> over Frame Relay Hub-and-Spoke such as sparse-dense mode, sparse-mode with
> auto-rp listener, sparse-mode with a default RP placement, and PIM Join
> issues related to point-to-point vs multipoint interfaces and their
> underlying IGP protocols.
>
>
> HTH,
>
> Brian McGahan, CCIE #8593 (R&S/SP/Security)
> bmcgahan_at_INE.com
>
> Internetwork Expert, Inc.
> http://www.INE.com <http://www.ine.com/>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> imran ali
> Sent: Thursday, August 11, 2011 5:17 PM
> To: Marko Milivojevic
> Cc: Cisco certification
> Subject: Re: MA , RP , PLACEMENTS ON FRAME-RELAY
>
> Thnaks Marko
>
> i document is a great resourse . and its says to place MA and RP on hub or
> behind a hub.
>
> The limitation is in place due to fact that NBMA mode works for sparse
> mode
> groups (but as auto rp groups are dense mode flooded )
>
> However my question was if i define a static rp for auto RP groups ,auto rp
> info is now sparse mode flooded ..... NBMA mode works here ....which means
> technically MA AND RP CAN BE PLACED ANY WHEARE IN THE FRAME-RELAY NETWORK ,
> REGARDLESS OF ITS POSITION ? CORRECT ?
>
>
>
>
>
> On Fri, Aug 12, 2011 at 12:18 AM, Marko Milivojevic <markom_at_ipexpert.com
> >wrote:
>
> > That is correct, however, it doesn't mean the solution doesn't exist.
> > It may not be straight-forward, but it exists.
> >
> > Cisco has a document that explains this problem:
> >
> >
> http://www.cisco.com/en/US/docs/ios/solutions_docs/ip_multicast/White_papers/frm_rlay.html#wp1029926
> >
> > However, if the CCIE lab requires you to put MA behind a spoke, there
> > is a solution - tunneling :-)
> >
> > --
> > Marko Milivojevic - CCIE #18427
> > Senior Technical Instructor - IPexpert
> >
> > FREE CCIE training: http://bit.ly/vLecture
> >
> > Mailto: markom_at_ipexpert.com
> > Telephone: +1.810.326.1444
> > Web: http://www.ipexpert.com/
> >
> > On Thu, Aug 11, 2011 at 13:55, imran ali <immrccie_at_gmail.com> wrote:
> > > If a candidate RP or a
> > >
> > > Mapping Agent is placed behind the spoke node, then RP information
> could
> > >
> > > be lost. Imagine if a MA is located behind the spoke node. Then any
> > Auto-RP
> > >
> > > discovery messages will only reach the hub node, but not the other
> spokes
> > >
> > >
> > >
> > >
> > > i cough up with this in one of workbooks ,,,,just want to confirm ..i
> > will
> > > update the results on this thread .
> > >
> > > On Thu, Aug 11, 2011 at 11:49 PM, Marko Milivojevic <
> markom_at_ipexpert.com
> > >
> > > wrote:
> > >>
> > >> Before we do it - have you tried it? What problems did you run into?
> > >> How did you resolve them?
> > >>
> > >> [ btw. - YES :-) ]
> > >>
> > >> --
> > >> Marko Milivojevic - CCIE #18427
> > >> Senior Technical Instructor - IPexpert
> > >>
> > >> FREE CCIE training: http://bit.ly/vLecture
> > >>
> > >> Mailto: markom_at_ipexpert.com
> > >> Telephone: +1.810.326.1444
> > >> Web: http://www.ipexpert.com/
> > >>
> > >> On Thu, Aug 11, 2011 at 12:48, imran ali <immrccie_at_gmail.com> wrote:
> > >> > Hi experts
> > >> >
> > >> > i am a bit confused and tried to google but dint find any reasonable
> > >> > resource on this topic
> > >> >
> > >> > what are valid positions of MA (mapping agent ) and RP on hub and
> > spoke
> > >> > network ....
> > >> >
> > >> > please give *me yes or no* to the following questions . this is
> for
> > >> > auto
> > >> > rp set up and imagine , sparse mode only , and static rp is assigned
> > for
> > >> > auto rp groups , pim nbme is enabled on hub
> > >> >
> > >> > 1) can a spoke becomes a RP ?
> > >> >
> > >> > 2)can a spoke become MA ?
> > >> >
> > >> > 3) can a MA be situated behind a spoke ?
> > >> >
> > >> > 4) can an RP be situated behind a spoke ?
> > >> >
> > >> > 5) can a RP Be placed behind HUB
> > >> >
> > >> > 6)can a MA be placed behing hub ?
> > >> >
> > >> >
> > >> > if possible plz give justificatioin of yes and no .
> > >> >
> > >> >
> > >> > Blogs and organic groups at http://www.ccie.net
> > >> >
> > >> >
> > _______________________________________________________________________
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>
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Received on Fri Aug 19 2011 - 14:04:18 ART