[Xorp-users] Questions on multicast routing

[Ben Greear]

On 06/29/2009 04:51 PM, Ben Greear wrote:
> I am trying to figure out why multicast is taking the 'long' way through
> the
> network.
>
> My network diagram is attached. The xorp output below is from router 2
> (the top one).
>
> I am generating mcast traffic from Node2 interface to Node3. I would
> expect it to
> go through the link between R2 and R3, but instead it goes R2 -> R1 ->
> R3. My traffic
> flow is 64k, so I think it's using xorp user-space routing instead of
> setting up
> a kernel cache.
>
> I have hacked on multicast to support multiple routing tables, so it could
> be my bug, but I'd still appreciate any pointers to what might be going
> wrong
> if anyone has any ideas!
>
> I'll be happy to send any other information, just ask.

I think maybe I was confused on how multicast works..and I vaguely remember that this might
have happened to me before :P

Anyway, the real problem I was chasing was elsewhere, and the patch I sent to the mailing
list yesterday fixed it.

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com