Re: multicast: bidirectional pim issue

Sorry, I mean SW2 is the bi-dir PIM DF on that segment.

On Wed, Mar 7, 2012 at 11:45 AM, Joe Astorino <joeastorino1982_at_gmail.com> wrote:
> Looks like you caught the fact that your pasted example uses
> non-multicast addressing. Aside from that, moving forward what is
> Fa0/0 on SW2 connected to? It seems it has an IP address on it and it
> seems it points AWAY from the RP but it is the bi-dir PIM DF
> interface.
>
> On Wed, Mar 7, 2012 at 6:06 AM, ccie 99999 <ccie99999_at_googlemail.com> wrote:
>> Hi GS,
>>
>> I was trying to work on bidirectional PIM but I'm a bit confused.
>>
>> This is my topology:
>>
>> R1 -(eth)- R2 -(ser)- R3 -(eth)- SW2
>>
>> I've joined 240.1.1.1 on R2 and BSR rp is R3.
>>
>> Pim bidir is enabled everywhere and simply R3 is bidir BSR for everygroup.
>>
>> this works:
>>
>> ping to 240.1.1.1 from R3
>> ping to 240.1.1.1 from R2
>> mtrace from SW2 to R2
>> mtrace from SW2 to BSR (R3)
>>
>> this doesn't work:
>>
>> ping to 240.1.1.1 from SW2
>>
>> on SW2 I see the pim rp mapping:
>>
>> Rack1SW2#sh ip pim rp mapp
>> PIM Group-to-RP Mappings
>>
>> Group(s) 224.0.0.0/4
>> RP 5.5.5.5 (?), v2, bidir
>> Info source: 5.5.5.5 (?), via bootstrap, priority 0, holdtime 150
>> Uptime: 00:53:37, expires: 00:01:53
>>
>> and the mroute:
>>
>> (*, 240.1.1.1), 00:00:03/00:02:56, RP 5.5.5.5, flags: BP
>> Bidir-Upstream: Vlan58, RPF nbr 155.1.58.5
>> Outgoing interface list:
>> Vlan58, Bidir-Upstream/Sparse-Dense, 00:00:03/00:00:00
>>
>> again on SW2:
>>
>> Rack1SW2#sh ip pim inter df
>> * implies this system is the DF
>> Interface RP DF Winner Metric
>> Uptime
>> FastEthernet0/0 5.5.5.5 *155.1.108.8 124330
>> 00:22:49
>> Vlan58 5.5.5.5 155.1.58.5 0
>> 00:22:49 --> this is the interface on the R3 side
>>
>> so, everything looks good (at least for me)..
>>
>> If I do a debug ip mpacket fastswitch 240.1.1.1 and I do a ping from SW2 to
>> 240.1.1.1 I see this:
>>
>> Rack1R3#
>> *Mar 1 01:46:35.319: FS(0): Receive s=155.1.58.8 d=240.1.1.1 id=43 prot=1
>> size=114(100) ttl=254 from FastEthernet0/0 ... punt to create state
>>
>> and I see this:
>>
>> (*, 240.1.1.1), 00:00:24/00:03:12, RP 5.5.5.5, flags: B
>> Bidir-Upstream: Null, RPF nbr 0.0.0.0
>> Outgoing interface list:
>> Serial0/0, Forward/Sparse, 00:00:17/00:03:12
>>
>> OIL shows only serial0/0 (the side to R2) and not the interface to SW2.
>>
>> Am I missing something in the troubleshooting?
>>
>> another question: how can I search in the archives of this ml? apparently
>> they are empty.. :(
>>
>> thanks a lot
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>>
>>
>>
>
>
>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan

-- 
Regards,
Joe Astorino
CCIE #24347
http://astorinonetworks.com
"He not busy being born is busy dying" - Dylan
Blogs and organic groups at http://www.ccie.net