Re: Regarding multicast

Thanks Ravi..Sorry for being anxious as I could not resist.....

But thanks....

regards
raghav

On Tue, Jun 2, 2009 at 12:24 AM, Ravi Singh <way2ccie_at_googlemail.com> wrote:

> Hi Raghav,
>
> Over the top off my head, here is a quick one
>
> For Ques 1 - Have you configured R-6 as the RP ? if you are using
> sparse-mode you should have the ip pim auto-rp listener command on
> R-6, as well as on other routers in the multicast domain.Could you
> post your configs for R6, R2 and R5.
>
> For Ques 2 - R3 will not have the entries for 224.0.1.39, since it has
> not been configured as a MA(which I presume). 224.0.1.39 is the group
> which a router listens on when it is configured as a MA.
>
> For ques 3 - The command that you said will send the RP announcements
> i.e to the group address 224.0.1.39 with a source address of the
> loopback0 interface. If you have sparse-mode on F0/0 , the router
> checks to see if the auto-rp listener command is enabled , if not it
> will not be able to send the announcements.The interface will not know
> that it has to send the announcement, you have enabled it to send the
> announcement using the command ip pim send-rp-announce through all pim
> enabled interfaces.
>
> Lastly, come on man!! its just been 1 hour that you posted your
> question..why so anxious ;-)
>
> HTH,
> Ravi
>
> On Tue, Jun 2, 2009 at 7:35 AM, Raghav Bhargava
> <raghavbhargava12_at_gmail.com> wrote:
> > Hi Experts,
> >
> > This is my topology:-
> >
> > R3 ,<-----FR------> R5
> > | |
> > | |
> > FR FR
> > | |
> > | |
> > R6 <----Fa ---> R2 R4
> >
> >
> > I am using PIM SM on all the Interfaces. I enabled PIm SM-SM on R2 and R6
> on
> > Loopback interfaces so that both of them become RP for the group
> 224.x.x.x.
> > Now my query is on R5, when i do show ip mroute 224.0.1.39, I get this
> > output:-
> >
> > r5#show ip mroute 224.0.1.39
> > IP Multicast Routing Table
> > Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C -
> Connected,
> > L - Local, P - Pruned, R - RP-bit set, F - Register flag,
> > T - SPT-bit set, J - Join SPT, M - MSDP created entry,
> > X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
> > U - URD, I - Received Source Specific Host Report,
> > Z - Multicast Tunnel, z - MDT-data group sender,
> > Y - Joined MDT-data group, y - Sending to MDT-data group
> > Outgoing interface flags: H - Hardware switched, A - Assert winner
> > Timers: Uptime/Expires
> > Interface state: Interface, Next-Hop or VCD, State/Mode
> >
> > (*, 224.0.1.39), 00:16:59/stopped, RP 0.0.0.0, flags: DP
> > Incoming interface: Null, RPF nbr 0.0.0.0
> > Outgoing interface list: Null
> >
> > (2.2.2.2, 224.0.1.39), 00:00:57/00:02:02, flags: PT
> > Incoming interface: Serial0/0.52, RPF nbr 10.1.25.2
> > Outgoing interface list: Null
> >
> > But I am not getting the (S,G) Tree for the Loopback of R6. For R2 I can
> see
> > 2.2.2.2 but not for R6 which should be 6.6.6.6. I don't know why R5 is
> not
> > getting that. This is my first question??
> >
> > My second question is will R3 also have 2 entries :- one from R2 i.e---
> > 2.2.2.2 and one from R6 i.e--- 6.6.6.6. If yes then I don see anyone of
> them
> > on R3. When I do show ip mroute 224.0.1.39 on R3 it says group 224.0.1.39
> > not found.???
> >
> > Please can anyone advise....
> >
> >
> > --
> > Warm Regards
> > Raghav
> >
> >
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>

-- 
Warm Regards
Raghav
Blogs and organic groups at http://www.ccie.net