[Xorp-users] routing multicast with a tunnel using openvpn

[Pavlin Radoslavov]

> Hello,
> 
> I'm trying to route multicast through a tunnel using openvpn. This is my
> configuration :
> 
> Host1 --------(eth1)Router1(tun0)---Internet--(tun0)Router2(eth1)----------Host2
> 194.x.y.80   194.x.y.33     10.4.0.1       10.4.0.2     194.x.z.250  194.x.z.34
> 
> On Host1 and Host2, i'm runnig : emcast -t 15 234.43.13.42:8765
> 
> Unicast routing ans tunnel works perfectly.
> 
> I have the communication from host2 to host2 and i haven't from host1 to host2
> and i don't understand why.
> 

<DEL>

> Router1
> Xorp> show pim mfc
> Group           Source          RP
> 234.43.13.42    194.x.z.34    10.4.0.2
>     Incoming interface :      tun0
>     Outgoing interfaces:      O..
> 234.43.13.42    194.x.y.80    10.4.0.2
>     Incoming interface :      eth1
>     Outgoing interfaces:      ..O
> Router2
> Xorp> show pim mfc
> Group           Source          RP
> 234.43.13.42    194.x.z.34  10.4.0.2
>     Incoming interface :      eth1
>     Outgoing interfaces:      .O.
> 234.43.13.42    194.x.y.80  10.4.0.2
>     Incoming interface :      register_vif
>     Outgoing interfaces:      ...
                               ^^^^^

The outgoing interface set for Router2 should contain eth1, but in
your case it is empty.
What is the output of the following CLI commands on Router2:
"show igmp group" and "show pim join"?


Pavlin