Hi!
1. Not the ACK, but the 200 Ok will stop retransmission. I suspect that the 200 ok is not identified as belonging to the INVITE transaction.
Try this:
1. before t_relay() activate a certain reply_route (t_on_reply("3")) 2. put some xlog in the the default reply route
onreply_route { xlog("==========================="); xlog("default reply route ...\n"); xlog("response: $$rm = $rm\n"); xlog("response: $mb\n"); xlog("==========================="); }
3. put some xlog in the reply route you activated with t_on_reply()
onreply_route[3] { xlog("==========================="); xlog("reply route 3 ...\n"); xlog("response: $$rm = $rm\n"); xlog("response: $mb\n"); xlog("==========================="); }
4. watch the log output
If both reply routes are exectued then kamailio successfully matched the reply to the response. If only the default reply route is executed then the transaction matching failed.
Try only with a single call (not 1000 calls/s) first.
regards klaus
Aurelien Grimaud schrieb:
Hi, I am using kamailio 1.4.2 and testing it with sipp. one sipp is client a uac (port 5066), the other is a uas (port 5063). kamailio is using 5060.
I am generating 100 calls per second for 1000 calls and message were retransmitted 4 times.
Here is a tcpdump of sip packets. Can anyone tell me why there is an INVITE retransmission at 16:16:38.627198 though the ACK for invite was received at 16:16:38.126096 ? Is there a known problem with retransmission timers ?
16:16:38.120384 IP 192.168.168.33.5066 > 192.168.168.33.5060: SIP, length: 579 E.._..@.@.f....!...!.....K..INVITE sip:otest@testg5 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5066;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 70 Expires: 180 Subject: Performance Test Content-Type: application/sdp Content-Length: 188
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 8925 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-11,16
16:16:38.123426 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 325 E..a..@.@.g....!...!.....M..SIP/2.0 100 Giving a try Via: SIP/2.0/UDP 127.0.0.1:5066;branch=z9hG4bK-23096-730-1;received=192.168.168.33 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Server: Kamailio (1.4.2-notls (i386/linux)) Content-Length: 0
16:16:38.123554 IP 192.168.168.33.5060 > 192.168.168.33.5063: SIP, length: 731 E.....@.@.fZ...!...!........INVITE sip:otest@testg5 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Expires: 180 Subject: Performance Test Content-Type: application/sdp Content-Length: 188
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 8925 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-11,16
16:16:38.123830 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 451 E.....@.@.gz...!...!.......pSIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:38.124169 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 393 E.....@.@.g....!...!.......6SIP/2.0 180 Ringing Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:38.124326 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 634 E.....@.@.f....!...!.......'SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Type: application/sdp Content-Length: 153
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 6004 RTP/AVP 0 8 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000
16:16:38.124883 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 581 E..a..@.@.f....!...!.....M..SIP/2.0 200 OK Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:192.168.168.33:5063 Content-Type: application/sdp Content-Length: 153
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 6004 RTP/AVP 0 8 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000
16:16:38.125532 IP 192.168.168.33.5066 > 192.168.168.33.5060: SIP, length: 427 E.....@.@.g....!...!.......XACK sip:192.168.168.33:5063 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5066;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 70 Subject: Performance Test Content-Length: 0
16:16:38.126096 IP 192.168.168.33.5060 > 192.168.168.33.5063: SIP, length: 521 E..%..@.@.g,...!...!........ACK sip:192.168.168.33:5063 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.2 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Subject: Performance Test Content-Length: 0
16:16:38.627198 IP 192.168.168.33.5060 > 192.168.168.33.5063: SIP, length: 731 E.....@.@.fZ...!...!........INVITE sip:otest@testg5 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Expires: 180 Subject: Performance Test Content-Type: application/sdp Content-Length: 188
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 8925 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-11,16
16:16:38.627677 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 474 E.....@.@.gc...!...!........SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.2, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:38.627970 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 416 E.....@.@.g....!...!.......MSIP/2.0 180 Ringing Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:39.642356 IP 192.168.168.33.5060 > 192.168.168.33.5063: SIP, length: 731 E.....@.@.fZ...!...!........INVITE sip:otest@testg5 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Expires: 180 Subject: Performance Test Content-Type: application/sdp Content-Length: 188
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 8925 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-11,16
16:16:39.642587 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 474 E.....@.@.gc...!...!........SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.2, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:39.643723 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 416 E.....@.@.g....!...!.......MSIP/2.0 180 Ringing Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-11 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5;tag=17278SIPpTag01696;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:39.797641 IP 192.168.168.33.5066 > 192.168.168.33.5060: SIP, length: 434 E.....@.@.g....!...!......._BYE sip:127.0.0.1:5063 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5066;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 70 Subject: Performance Test Content-Length: 0
16:16:39.798436 IP 192.168.168.33.5060 > 127.0.0.1.5063: SIP, length: 528 E..,..@.@.P....!............BYE sip:127.0.0.1:5063 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Subject: Performance Test Content-Length: 0
16:16:39.798535 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 394 E.....@.@.g....!...!.......7SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:39.798814 IP 192.168.168.33.5060 > 192.168.168.33.5066: SIP, length: 336 E..l..@.@.g....!...!.....X..SIP/2.0 200 OK Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:40.257973 IP 192.168.168.33.5060 > 127.0.0.1.5063: SIP, length: 528 E..,..@.@.P....!............BYE sip:127.0.0.1:5063 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Subject: Performance Test Content-Length: 0
16:16:40.258080 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 394 E.....@.@.g....!...!.......7SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:41.285493 IP 192.168.168.33.5060 > 127.0.0.1.5063: SIP, length: 528 E..,..@.@.P....!............BYE sip:127.0.0.1:5063 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Subject: Performance Test Content-Length: 0
16:16:41.285593 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 394 E.....@.@.g....!...!.......7SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:127.0.0.1:5063 Content-Length: 0
16:16:41.695686 IP 192.168.168.33.5060 > 192.168.168.33.5063: SIP, length: 731 E.....@.@.fZ...!...!........INVITE sip:otest@testg5 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bKcb7d.7c08af34.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-1 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:otest@testg5 Call-ID: 730-23096-127.0.0.1 CSeq: 1 INVITE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Expires: 180 Subject: Performance Test Content-Type: application/sdp Content-Length: 188
v=0 o=user1 53655765 2353687637 IN IP4 127.0.0.1 s=- c=IN IP4 127.0.0.1 t=0 0 m=audio 8925 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-11,16
16:16:43.338592 IP 192.168.168.33.5060 > 127.0.0.1.5063: SIP, length: 528 E..,..@.@.P....!............BYE sip:127.0.0.1:5063 SIP/2.0 Record-Route: sip:192.168.168.33;lr=on;ftag=23096SIPpTag09730 Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0 Via: SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:sipp@127.0.0.1:5066 Max-Forwards: 69 Subject: Performance Test Content-Length: 0
16:16:43.338785 IP 192.168.168.33.5063 > 192.168.168.33.5060: SIP, length: 408 E.....@.@.g....!...!.......ESIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.168.33;branch=z9hG4bK9b7d.0423bf25.0, SIP/2.0/UDP 127.0.0.1:5066;received=192.168.168.33;branch=z9hG4bK-23096-730-46 From: sipp sip:730-23096-127.0.0.1@127.0.0.1:5066;tag=23096SIPpTag09730 To: sut sip:service@192.168.168.33:5060;tag=17278SIPpTag01696 Call-ID: 730-23096-127.0.0.1 CSeq: 2 BYE Contact: sip:127.0.0.1:5063;transport=UDP Content-Length: 0
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