Just guessing I would verify that the out of : iptables -L -nv Shows no dropped packets, try disabling selinux as well as look at the limits of the asterisk pid (cat /proc/<Asterisk PID>/limits). I know the defualt for rhel is 1024 which was never enough for us.
Regards, Dovid -----Original Message----- From: Roel van Meer <[email protected]> Date: Thu, 31 Mar 2016 14:10:48 To: <[email protected]>; Asterisk Users Mailing List - Non-Commercial Discussion<[email protected]> Subject: Re: [asterisk-users] Lost outgoing SIP packets Dovid Bender writes: > The tcpdump that you are running is on the Asterisk box or via port > mirroring? It's on the asterisk box itself. I've already replaced the network card - no change. Thanks, Roel > Regards, > > Dovid > > -----Original Message----- > From: Roel van Meer <[email protected]> > Sender: [email protected]: Thu, 31 Mar 2016 > 13:34:51 > To: <[email protected]> > Reply-To: Asterisk Users Mailing List - Non-Commercial Discussion > <[email protected]> > Subject: [asterisk-users] Lost outgoing SIP packets > > Hi list! > > I have a problem where SIP packets sent by Asterisk do not hit the wire, and > I don't know what could cause this. > > I'm running Asterisk 1.8.28_cert5 with full SIP debug. At the same time, I'm > doing a tcpdump of the traffic on the network interface. I can see in the SIP > debug log that asterisk is sending packets. Most of the time, I can see > those packets in the tcpdump, as you would expect. > However, sometimes Asterisk sends a packet that *does not show up* in the > tcpdump. Asterisk then does several retransmits (that also don't show up). > The next packet that is not a retransmit does show up again. > > This causes Asterisk to log the peer it was sending packets to temporarily > as Lagged or unreachable. > > There is no outgoing firewall on this box. > > Could anyone give me some pointers where to look? > > If Asterisk logs "VERBOSE[13019] chan_sip.c: Reliably Transmitting (NAT) to > x.x.x.x:" you would expect to see that packet in a tcpdump trace, right? > What could cause this not to be so? Are there network statistics I could > look at? Is there a counter in /proc or /sys for problems with sending > packets? Anything? > > If more information is necessary please do let me know. > > Thanks a lot in advance, > > Roel > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
