[Xorp-users] Well - I'm half working....

edrt edrt@citiz.net
Wed, 21 Jul 2004 9:39:43 +0800


>Hi Dave :
>
>From the (*, 233.3.18.1) TIB state, it seems that 
> * rl3 of the Xorp router shares the address 146.97.34.8
> * rl3 is the RP of group 233.3.18.1
> * RP(233.3.18.1) only detect local multicast receiver,
>   but not receiving any downstream Join(*,G)  
>
>From the neighbor info, it seems that
> * rl3 also shares address on subnet 144.124.32.0/22, 
>   and form adjacency with cisco router using this address, 
>   (not 146.97.34.8)
>
>Because you didn't show other (S,G) states, I can't deduce whether other 
>multicast beacons are also directly connected with the Xorp router. 
>So I made the assumption below
> * other multicast beacons (except 193.60.11.36) are _not_ directly 
>   connected with the Xorp router 
> * all multicast beacons are using IGMPv2 (not IGMPv3)
>
>If the above deductions are right, 
>could you also help to check things below :
> * check on cisco router to see whether it creates any (*,233.3.18.1) TIB state 
> * check on cisco router to see whether it knows "RP(233.3.18.1) = 146.97.34.8"
> * check on cisco router to see whether it knows how to reach the 146.97.34.8
> * sniff on Xorp/rl3 to see whether it receive any register packet or Join(*,G) from cisco router
>
>And could you also provide these info of the Xorp router 
>to help debugging:
> * "show pim interface" 
> * "show pim bootstrap" 
> * "show pim rps"
>
>Thanks
>Eddy

BTW, I'm just curious about the problem and help collecting information.
Pavlin may help you solve the problem :)