From: AK Singh (singh.anand@gmail.com)
Date: Sun Oct 17 2004 - 23:20:32 GMT-3
Hi Brian,
Thanks for reply. Does that mean we need to create some tunnel between
R2 and R5 to make it work? The solution doesn't emphasize that. R2 and
R4 are spokes of R5 and running in dense mode (for that particular
group). Just want to be sure if my approach is correct.
Thanks
-Anand
On Sun, 17 Oct 2004 21:15:10 -0400, Brian McGahan
<bmcgahan@internetworkexpert.com> wrote:
> > because though my multicast configs are correct but a ping
> > to group address may fail due to this issue? Do i deserve points in
> > real lab with this ignorance ;)
>
> If your configuration isn't functional it isn't correct.
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
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> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of AK
> > Singh
> > Sent: Sunday, October 17, 2004 7:12 AM
> > To: ccielab@groupstudy.com
> > Subject: IE Lab 3 - Multicast
> >
> > Hello All,
> >
> > I was doing IE lab 3 ( good labs ) where the multicast groups is on R2
> > (in dense mode) and R5 is hub with two spokes R2 and R4.Its seen that
> > R1 and R3 (R1 is directly connected to R5 and R3, R3 is connected to
> > R2 but pim is not enabled on that connection).
> >
> > Q1. The ping from R1 or R3 to group at R2 fails. When i disabled
> > mroute-cache at R5's interfcae to R1, it works. I cann't figure out
> > why? How do we see the entries in mroute-cache?
> >
> > Q2. I noticed that my ip routing has best path for R3 via R2, that
> > means RPF fails when packet comes via R3->R1->R5 destined to R2. So my
> > question is when dealing with multicast should we always take care of
> > RPF issues..because though my multicast configs are correct but a ping
> > to group address may fail due to this issue? Do i deserve points in
> > real lab with this ignorance ;)
> >
> > Thanks in advance.
> > -Anand
> >
> >
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