From: kang lee (kanghlee@gmail.com)
Date: Fri Nov 16 2007 - 13:16:50 ART
I will clear all my config and start from scratch again.
Thanks.
On Nov 16, 2007 9:51 AM, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
> Hi kang,
>
> no these groups will run in sparse mode only and not dense mode i have
> labbed it partly.
> There should not be any problem in this scenario, i think they have done
> right...i havent labbed it completely up yet.
>
> see the 224.0.1.39 and 224.0.1.40 groups are used by RP and MA to forward
> their announcements and discovery messages throughout the network right??
> now we have these groups in sparse mode right??
> so when R2 sends traffic for groups 224.0.1.39 and 224.0.1.40 it can
> easily move through nbma coz, we are running these groups in sparse mode
> now.(here is the point)
> it should work as per the solution....might be there is something in
> your config...anyway i haven't labbed it yet as i will do it i will tell you
> about the results.
>
> Brian : I think i have got the point here but will surely lab it up and
> see the results.
>
> Thanks
> Gops
> ------------------------------
> *From:* kang lee [mailto:kanghlee@gmail.com]
> *Sent:* Friday, November 16, 2007 21:11
> *To:* Gupta, Gopal (NWCC)
> *Cc:* Brian McGahan; Cisco certification
>
> *Subject:* Re: auto-rp and default rp placement on IE workbook volume 1
> version 4.1
>
> Gupta,
> that is what I saw on my lab. I had to ip pim autorp listener. otherwise
> 224.0.1.39 and 224.0.1.40 traffic is not going down to nbma. it is dense
> mode, isn't it?
>
> I reboot all the routers to clear out any possible cache. etc. only thing
> worked was ip pim autorp lisner, other than GRE tunnel. some more
> clarification might be very helpful.
>
> Thanks.
>
> On Nov 16, 2007 9:34 AM, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
>
> >
> > Hi Brian,
> >
> > That's fine, but one question arises what about the groups those are
> > actually forwarding multicast traffic for; we don't have RP for them and
> >
> > IP pim auto RP listener command has not been entered there for learning
> > RP for those groups.
> > Like we have configured
> >
> > Ip pim rp address 150.1.2.2 1
> > access-list 1 permit 224.0.1.39
> > access-list 1 permit 224.0.1.40
> >
> > We have assigned RP for only these 2 groups on every Router but what
> > about group 224.1.1.1 that SW2 has joined; we don't have RP for this
> > group or how shall we learn the RP for this group without either
> > Sparse-dense mode or ip pim autorp listner.
> >
> > May be I am missing something here, please clarify..
> >
> > Thanks
> > Gops
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Brian McGahan
> > Sent: Friday, November 16, 2007 19:40
> > To: kang lee; Cisco certification
> > Subject: Re: auto-rp and default rp placement on IE workbook volume 1
> > version 4.1
> > Importance: Low
> >
> > You need to force the 224.0.1.39 and 224.0.1.40 groups to be sparse in
> > order to be forwarded via NBMA mode. To do this you need to define a
> > default RP that is used just for those two groups, i.e.:
> >
> > 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
> >
> >
> > HTH,
> >
> >
> >
> > Brian McGahan, CCIE #8593 (R&S/SP/Security)
> > bmcgahan@internetworkexpert.com
> >
> > Internetwork Expert, Inc.
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> >
> >
> >
> >
> > ----- Original Message -----
> > Subject: auto-rp and default rp placement on IE workbook volume 1
> > version 4.1
> > Date: Wed, November 14, 2007 15:31
> > From: "kang lee" < kanghlee@gmail.com>
> >
> > > Hi GS,
> > >
> > > I am having problem with small lab, auto-rp and default rp placement
> > > on IE workbook volume 1 version 4.1. This is asking to place rp ma and
> >
> > > ca on
> > spoke
> > > node on NBMA. I am having problems with propagating rp throughout the
> > > domain. I think this is natural thing bc ip pim nbma-mode will not
> > propagate
> > > dense mode traffic.
> > >
> > > Anyone had this problem?
> > >
> > > thanks
> > >
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