[asterisk-users] IAX2 getting stuck

[Carlos Chavez]

On 4/20/17 2:37 PM, Kseniya Blashchuk wrote:

> If SIP goes to the same provider then yes. Still I would check a 
> packet capture for better understanding. BTW, did you try iax debug?
>
> чт, 20 апр. 2017 г. в 19:46, Carlos Chavez <cursor at telecomab.mx 
> <mailto:cursor at telecomab.mx>>:
>
>     On 4/20/17 12:45 AM, Kseniya Blashchuk wrote:
>
>>     Can it happen that the routes lead the traffic through another
>>     interface? Did you try a packet capture with tcpdump? Do the
>>     packets really leave the usb adapter? Can asymmetric routing be
>>     in effect?
>>     Maybe there were some static routes that disappeared when the
>>     adapter was unplugged...
>>
>>
>>     On Thu, Apr 20, 2017, 12:41 AM Antony Stone
>>     <Antony.Stone at asterisk.open.source.it
>>     <mailto:Antony.Stone at asterisk.open.source.it>> wrote:
>>
>>         On Wednesday 19 April 2017 at 23:35:24, Carlos Chavez wrote:
>>
>>         > On 4/19/17 4:23 PM, Antony Stone wrote:
>>         > >
>>         > > You say the USB ethernet adapter got unplugged and then
>>         reconnected...
>>         > >
>>         > > 1. What's the name of the network device for this
>>         adapter?  Is it the
>>         > > same name as it previously had?
>>         > >
>>         > > 2. What does 'ifconfig' say the IP address is for this
>>         adapter?
>>         > >
>>         > > 3. What do you have in /etc/asterisk/iax.conf for
>>         'bindaddr' and
>>         > > 'bindport'?
>>         > >
>>         > > 4. Do you have SIP connections on the same network
>>         interface, and are
>>         > > those working as normal?
>>         > >
>>         > >
>>         > > Antony.
>>         >
>>         > 1- No changes to device names.  eth0 is the main link to
>>         the network,
>>         > eth1 (also internal) goes to a SIP provider and eth2 (the
>>         USB adapter)
>>         > goes to another SIP provider.  All IAX trunks use eth0
>>         >
>>         > 2- ifconfig gives the proper IP and netmask for all interfaces
>>         >
>>         > 3- We do not specify bindaddr or bindport in the config
>>         file as the
>>         > default is to bind to 0.0.0.0
>>         >
>>         > 4- We had to make new SIP trunks to replace the IAX2 trunks
>>         to all
>>         > servers.  The SIP trunk is working with no problems. 
>>         Except for two SIP
>>         > links to PSTN all internal extensions use the same network
>>         interface.
>>
>>         Ugh :(
>>
>>         Sorry, I have no more ideas, then.
>>
>>         I hope someone else comes into this thread with a helpful
>>         suggestion.
>>
>>
>         If routing was the problem then the SIP trunk would not work. 
>     Usually IAX2 is a little more forgiving about routing than SIP.
>
     The new SIP trunks are replacing the IAX2 trunks to our other 
Asterisk servers and use exactly the same network paths, that is why I 
know it is not a network infrastructure issue.  We did turn on IAX debug 
and we only se the server trying to poke the other servers but there is 
not response or any incoming traffic.

-- 
Telecomunicaciones Abiertas de México S.A. de C.V.
Carlos Chávez
+52 (55)8116-9161

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