Thanks for the info! We are doing NUATAG_URL("0.0.0.0") and
SIPTAG_VIA_STR("192.168.x.x") in nua_invite(), but the source IP in Ethereal
was still 172.16.x.x. Everything in the INVITE itself (From, Via, Contact)
indicated 192.168.x.x. That's when I got completely confused. Looking in the
mailing list archives, I found another alternative that seemed like a
workaround to the same problem. After nua_create(NAUTAG_URL("0.0.0.0")), call
nta_agent_add_tport("192.168.x.x"). If that works, Ill go with it. If not,
seems like I'll be needing to do a nua_create() for each network interface.
Thanks again!
-Dave
-----Original Message-----
From: Andrew Rechenberg Lists [mailto:[email protected]]
Sent: Friday, February 06, 2009 6:27 AM
To: Rostowsky, David; [email protected]
Subject: RE: [Sofia-sip-devel] : Multiple ethernet interface support?
>
> Thanks! nua_create() with NUTAG_URL("sip:192.168.15.115") certainly
> resolved that scenario, but presents me with another challenge.
>
> I want to receive SIP traffic on both of my Ethernet interfaces, eth0
> (172.16.xx.xx) and eth1(192.168.xx.xx). I was using
> NUATAG_URL("0.0.0.0") in my nua_create() believing that one instance
of
> Sofia could receive SIP traffic from any of my network interfaces,
which
> I think it valid. However, my previous transmit problem arose. Do you
> believe I need to create multiple instances of Sofia to have the best
of
> both worlds? Ie. nua_create(NUTAG_URL(172.16.xx.xx)) and
> nua_create(NUTAG_URL(192.168.xx.xx))? Will that work with Sofia?
>
You could probably leave the NUATAG_URL("0.0.0.0") and add a separate
Via header for each of your SIP transactions with SIPTAG_VIA_STR(). I
believe that would make the outgoing messages come back on the proper
interface.
Take this recommendation with a grain of salt as I'm just learning Sofia
as well :)
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