[Freeswitch-users] Multiple (3) NICs

[broken dash]

What device is 172.20.252.5? Also what are the route tables on each
machines, vmachine, etc.

Brian

2010/7/14 Тарас Гірник <taras.p.gyrnik at gmail.com>:
> Hi, guys.
>
> Sorry for posting suppose such a frequently asked question, but anyway it's
> still problem for me to handle Freeswitch on 3 different subnetworks. In
> fact i was able to run, but with one discfuntion - on one of the instances
> there was no sound in one direction. I know you say this problem is related
> to NAT and so on, but let me ask anyway. It should mentioned that first i
> was run Asterisk and it was fine with that setup.
> Another important thing is Freeswitch runs under guest OS Debian/Lenny in
> OpenVZ environment (kernel 2.6.18 with ovz patch)
> Network:
> venet0:0 192.168.1.128/24
> venet0:1 public_ip + default route here
> eth2: 172.20.252.6/30 + route 172.20.252.0/24 via 172.20.252.5 (complete
> interface derived to guest OS, nothing to deal with HN)
>
> My peers is
> 192.168.1.1 (asterisk runs here, under my administration)
> 192.168.1.204 (gsm gateway, under my administration)
> x.x.x.x (remote peer under my administration)
> 172.20.252.2 (voip providers proxy, no authentication here, not under my
> administration)
>
> I successfully installed profiles belong to first 3 ones and everything was
> ok. I substituted external-sip external-rtp and others with my public ip.
> The internal ones - with my internal.
> The problem was with the last one. I have tried to force Freeswitch run on
> that one but have no luck. Finally i copied profile "internal.xml" to
> "internal-2.xml" (actually i tried the same with external.xml) in
> "sip_profiles" dir and change it to parse files from
> "sip_profiles/internal-2" dir.
> I have no idea is this right way, but anyway it works and Freeswitch start
> to listen on 172.20.252.6. I also used inbound-acl and proxy-acl to handle
> with no authorization. Freeswitch was able to handle incoming calls on
> 172.20.252.6 and even it was sound in both directions. But if you try to add
> a dialplan which will use 172.20.252.2 as an outbound proxy you will see
> that call is handled correctly but no voice there.
> I examined outgoing packets send by my phone to Freeswitch and from
> Freeswitch to 172.20.252.2 and found no rtp was transmitted over eth2 (from
> freeswitch to proxy) only from my phone to freeswitch. There is no FW on
> guest OS, i tried to stop in on HN but nothing changed. Packets come to
> venet0 ok, but then for some reasons are not transmitted to eth2. I'm sure
> that is something with nat-acl as far as 172.16/16 is also private space
> addresses, but i'm not sure.
>
> Please, help me with that and if you know the right way to handle such 3
> subnets config correctly, tell me.
> Freeswitch was build from the git.
> Corresponding conf from Asterisk, works
>
> [172.20.252.2]
> type=friend
> context=***
> canreinvite=no
> host=172.20.252.2
> disallow=all
> allow=alaw
> videosupport=no
> outboundproxy=172.20.252.2
> fromuser=***
>
> from freeswitch (no audio during outgoing calls)
> http://www.privatepaste.com/bebc7e8988 sip_profiles/internal-2.xml
> and http://www.privatepaste.com/4df33fc7a5 sip_profiles/internal-2/int.
> xml
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