[OpenSIPS-Users] Mediaproxy RTP not capture-able?

[Dan Pascu]

On Tuesday 16 December 2008, Jeff Pyle wrote:
> Killy,
>
> You were absolutely right.  In some cases, they were leaving via eth0.
>
> The default route of the box is via eth0.  Using ³ip route add table²
> and then ³ip rule add from² I send all traffic sourced from eth1¹s IP
> to a router connected to eth1.  In this way on all my voice-enabled
> boxes I keep the voice traffic on the voice network (eth1) and the
> non-voice traffic on eth0.  In this case it seems somehow Mediaproxy is
> slipping past the rule that sends traffic via the different gateway. 
> But, only some of the time. Mediaproxy¹s RTP (during 183) leaves via
> eth1 until the second host begins sending traffic to Mediaproxy.  Once
> that happens, all Mediaproxy¹s RTP leaves via eth0.  Very strange.  All
> media after 200 is also leaves via the wrong interface.

Mediaproxy only sets some conntrack rules in the kernel. It's the kernel 
who decides what interface to use based on the local and remote IP:port 
pairs.

-- 
Dan