Hi Bogdan, Yes!
Best regards, Jan -----Original Message----- From: Bogdan-Andrei Iancu [mailto:bog...@opensips.org] Sent: den 19 augusti 2011 17:20 To: OpenSIPS users mailling list Cc: Jan Blom Subject: Re: [OpenSIPS-Users] Wrong socket selected by proxy when forwarding requests Hi Jam, So, what you say is that the A sends ACK on 5002 to opensips and opensips sends it to B via 5060 port ? Regards, Bogdan On 08/15/2011 03:56 PM, Jan Blom wrote: > Hello, > > I have noticed a problem when using mhomed=1. The problem was discovered in > 1.6.3, but has also been verified in 1.7.0-beta. > > I have Opensips (only) listening on two ports on the same IP address. > Obviously this doesn't require mhomed=1, but that was a leftover from an > older setup. And I wasn't expecting it to cause trouble anyway. > > This is a snippet from the opensips.cfg: > > auto_aliases=no > mhomed=1 > listen=udp:178.16.xxx.xxx:5060 > listen=udp:178.16.xxx.xxx:5002 > > I have two user agents that register with the proxy, both using port 5002. In > the socket field from the subscriber table, I can verify that both are > correctly associated with port 5002 (having value udp:178.16.xxx.xxx:5002). > > User agent A then calls user agent B, again by sending the INVITE to port > 5002. The INVITE request is properly forwarded to user agent B, using src > port 5002. > > However, the ACK request sent when B answers and the BYE request when B hangs > up will both, incorrectly, be forwarded by the proxy using src port 5060. The > wrong socket is selected by the proxy. > > This will then prevent proper call setup and termination if any NAT is > present. > > If I remove the mhomed=1 setting, the problem will disappear. > > So this is currently not a problem for me since the workaround exists. > However, it might be a problem for others as well, where you potentially do > need a multi-homed setup. > > > Best regards, > Jan Blom > People Interactive > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > -- Bogdan-Andrei Iancu OpenSIPS eBootcamp - 19th of September 2011 OpenSIPS solutions and "know-how" _______________________________________________ Users mailing list Users@lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users