Re: Regarding multicast

Hi experts,

Can anyone answer my queries????...:(

regards
raghav

On Mon, Jun 1, 2009 at 11:44 PM, Raghav Bhargava <raghavbhargava12_at_gmail.com
> wrote:

> Also One more question please....sorry for that..
>
> when we use this command:-
>
> ip pim send-rp-announce Loopback0 scope x group-list y interval zz
>
> does that means that the router on which we have applied this wil send its
> RP announcements from only the Loopback Interface.
>
> Now lets say Loopback is configured with ip pim sparse-dense mode *AND*
>
> Fa is configured with ip pim sparse-mode
>
> So will the router send the RP announce messages from both the Interfaces
> or just the Loopback.
>
> If it will send from both then why???? because on Fa , we have not
> configured sparse-dense mode, how will that Interface know that I have to
> send the RP announcement???
>
> thanks
> raghav
>
>
> On Mon, Jun 1, 2009 at 11:35 PM, 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
>>
>
>
>
> --
> Warm Regards
> Raghav
>

-- 
Warm Regards
Raghav
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