[Xorp-users] IGMP Proxy

[Pavlin Radoslavov]

De Hoyos, Samuel <Samuel.DeHoyos at NGC.com> wrote:

> I would like to know if there is a way to configure the XORP software to
> behave like an IGMP proxy.

I am afraid the answer is no.
IGMP proxy implementation for XORP is on our TODO list, but
currently you can use XORP for multicast routing purpose only if you
run PIM-SM (which from your description doesn't seem to be an
option).

Quick search reveals the following open-source IGMP proxy
implementations:

http://sourceforge.net/projects/igmpproxy
http://potiron.loria.fr/projects/madynes/internals/perso/lahmadi/igmpv3proxy

However I should note that I haven't tried to use them.
Also, I don't know whether they are based on the IGMP Proxy spec
(RFC 4605).

Regards,
Pavlin

> We have a system in the lab that will become operational and needs to
> pass along IGMP Reports from the LAN side (eth0) to the WAN side (eth1)
> of the LINUX XORP server. The device on the WAN side does not support
> any Multicast Routing protocols other then IGMP and that will not
> change. However, the WAN side device will be receiving/sending Multicast
> Streams and will forward the traffic to the LINUX XORP Server to be
> passed along to the LAN side to the MCAST Source/Receiver. Below is a
> diagram of our setup
> 
> Mcast_source/receiver-----------LinuxXORP-------WAN_Side_Device
>          		             ^        ^       
>           		             |        |       
>        			      eth0	   eth1     
>            		
> If someone has configured an IGMP proxy using XORP or other software
> your assistance will be greatly appreciated. Please note that we do not
> have the option of switching hardware platforms or modifying the
> software on the WAN side device.  
> 
> If its not possible, I would also like to know that as well.
> 
> Thanks,
> Sam De Hoyos
> 
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