Добрый день,
Есть 5350 в связке с АТС по PRA с одной стороны и с ADDPAC 200 B с другой. Периодически пропадает голос в одном направлении. Много ковыряли настройки результата ноль.
Поставили снифер wireshark на аддпак и заметили такие вещи
No. Time Source Destination Protocol Info
1687 422.441868 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [SYN] Seq=0 Win=4096 Len=0 MSS=1460
1688 422.442735 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > scotty-ft [SYN, ACK] Seq=0 Ack=1 Win=4128 Len=0 MSS=1460
1689 422.443404 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [ACK] Seq=1 Ack=1 Win=4096 Len=0
1690 422.450305 xx.xx.237.14 xx.xx.237.12 H.225.0 CS: setup OpenLogicalChannel
1691 422.462566 xx.xx.237.12 xx.xx.237.14 H.225.0 CS: callProceeding OpenLogicalChannel
1692 422.471836 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMU, SSRC=0x1814B972, Seq=0, Time=0
1693 422.472176 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMU, SSRC=0x1814B972, Seq=0, Time=0
1694 422.472527 xx.xx.237.14 xx.xx.237.12 RTCP Source port: inovaport4 Destination port: 18299
1695 422.472874 xx.xx.237.14 xx.xx.237.12 RTCP Source port: inovaport4 Destination port: 18299
1696 422.513517 xx.xx.237.12 xx.xx.237.14 H.225.0 CS: alerting
1697 422.653071 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22661, Time=1002984001, Mark
1698 422.673961 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22662, Time=1002984161
1699 422.689660 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22663, Time=1002984321
1700 422.710649 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22664, Time=1002984481
1701 422.731645 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22665, Time=1002984641
1702 422.741702 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [ACK] Seq=268 Ack=287 Win=4096 Len=0
1703 422.752618 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22666, Time=1002984801
1705 422.773556 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22667, Time=1002984961
...
1787 424.372637 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22747, Time=1002997761
1788 424.393603 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22748, Time=1002997921
1789 424.409300 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22749, Time=1002998081
1790 424.430300 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22750, Time=1002998241
1791 424.441302 xx.xx.237.12 xx.xx.237.14 H.225.0 CS: connect
1792 424.441903 xx.xx.237.12 xx.xx.237.14 TCP 16430 > 18001 [SYN] Seq=0 Win=4128 Len=0 MSS=1460
1793 424.442806 xx.xx.237.14 xx.xx.237.12 TCP 18001 > 16430 [SYN, ACK] Seq=0 Ack=1 Win=4096 Len=0 MSS=1460
1794 424.443447 xx.xx.237.12 xx.xx.237.14 TCP 16430 > 18001 [ACK] Seq=1 Ack=1 Win=4128 Len=0
1795 424.444625 xx.xx.237.12 xx.xx.237.14 H.245 TCS
1796 424.444630 xx.xx.237.12 xx.xx.237.14 H.245 MSD
1797 424.451377 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22751, Time=1002998401
1798 424.462933 xx.xx.237.14 xx.xx.237.12 H.245 TCS
1799 424.464111 xx.xx.237.14 xx.xx.237.12 H.245 TCSAck
1800 424.464351 xx.xx.237.12 xx.xx.237.14 H.245 TCSAck
1801 424.468069 xx.xx.237.14 xx.xx.237.12 H.245 MSDAck
1802 424.468905 xx.xx.237.12 xx.xx.237.14 H.245 MSDAck
1803 424.469461 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=101, Time=14717195
1804 424.472276 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22752, Time=1002998561
...
1827 424.708154 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22764, Time=1003000481
1828 424.709376 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=113, Time=14719115
1829 424.729334 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=114, Time=14719275
1830 424.729339 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22765, Time=1003000641
1831 424.741688 xx.xx.237.14 xx.xx.237.12 TCP 18001 > 16430 [ACK] Seq=81 Ack=209 Win=4096 Len=0
1832 424.741892 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [ACK] Seq=268 Ack=483 Win=4096 Len=0
1833 424.749358 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=115, Time=14719435
...
957 425.969260 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=176, Time=14729195
1958 425.971709 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22827, Time=1003010561
1959 425.974162 xx.xx.237.12 xx.xx.237.14 RTCP Sender Report Source description
1960 425.989257 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=177, Time=14729355
1961 425.992707 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=22828, Time=1003010721
1962 426.009256 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=178, Time=14729515
...
3057 436.751065 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=23366, Time=1003096801
3058 436.768597 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=716, Time=14815595
3059 436.772020 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=23367, Time=1003096961
3061 436.788600 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=717, Time=14815755
3062 436.792988 xx.xx.237.12 xx.xx.237.14 RTP PT=ITU-T G.711 PCMA, SSRC=0x1E3AED0C, Seq=23368, Time=1003097121
3063 436.803925 xx.xx.237.12 xx.xx.237.14 H.225.0 CS: releaseComplete
3064 436.808636 xx.xx.237.14 xx.xx.237.12 RTP PT=ITU-T G.711 PCMA, SSRC=0x1814B972, Seq=718, Time=14815915
3065 436.810120 xx.xx.237.14 xx.xx.237.12 H.245 ESC
3066 436.811264 xx.xx.237.12 xx.xx.237.14 H.245 ESC
3067 436.856719 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [FIN, ACK] Seq=268 Ack=627 Win=4096 Len=0
3068 436.857096 xx.xx.237.14 xx.xx.237.12 TCP 18001 > 16430 [FIN, ACK] Seq=87 Ack=215 Win=4096 Len=0
3069 436.857572 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > scotty-ft [ACK] Seq=627 Ack=269 Win=3861 Len=0
3070 436.857756 xx.xx.237.12 xx.xx.237.14 TCP 16430 > 18001 [ACK] Seq=215 Ack=88 Win=4042 Len=0
3071 436.858116 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > scotty-ft [FIN, PSH, ACK] Seq=627 Ack=269 Win=3861 Len=0
3072 436.858674 xx.xx.237.14 xx.xx.237.12 TCP scotty-ft > h323hostcall [ACK] Seq=269 Ack=628 Win=4096 Len=0
3073 436.859930 xx.xx.237.12 xx.xx.237.14 TCP 16430 > 18001 [FIN, PSH, ACK] Seq=215 Ack=88 Win=4042 Len=0
3074 436.860557 xx.xx.237.14 xx.xx.237.12 TCP 18001 > 16430 [ACK] Seq=88 Ack=216 Win=4096 Len=0и такой лог
No. Time Source Destination Protocol Info
3403 667.206489 xx.xx.237.14 xx.xx.237.12 TCP [TCP Port numbers reused] sua > h323hostcall [SYN] Seq=0 Win=4096 Len=0 MSS=1460
3404 667.207464 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > sua [SYN, ACK] Seq=0 Ack=1 Win=4128 Len=0 MSS=1460
3405 667.208131 xx.xx.237.14 xx.xx.237.12 TCP sua > h323hostcall [ACK] Seq=1 Ack=1 Win=4096 Len=0
3406 667.215017 xx.xx.237.14 xx.xx.237.12 TCP [TCP segment of a reassembled PDU]
3407 667.228019 xx.xx.237.12 xx.xx.237.14 TCP [TCP segment of a reassembled PDU]
3408 667.237298 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
3409 667.237643 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
3410 667.237989 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport2 Destination port: 19109
3411 667.238332 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport2 Destination port: 19109
3413 667.282983 xx.xx.237.12 xx.xx.237.14 TCP [TCP segment of a reassembled PDU]
3415 667.422016 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3416 667.442975 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
...
3429 667.699899 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3430 667.720852 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3431 667.740454 xx.xx.237.14 xx.xx.237.12 TCP sua > h323hostcall [ACK] Seq=268 Ack=287 Win=4096 Len=0
3432 667.741790 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3433 667.762795 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
...
3511 669.162630 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3512 669.183595 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3513 669.188989 xx.xx.237.12 xx.xx.237.14 TCP [TCP segment of a reassembled PDU]
3514 669.189451 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [SYN] Seq=0 Win=4128 Len=0 MSS=1460
3515 669.190507 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [SYN, ACK] Seq=0 Ack=1 Win=4096 Len=0 MSS=1460
3516 669.191186 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [ACK] Seq=1 Ack=1 Win=4128 Len=0
3517 669.192365 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [PSH, ACK] Seq=1 Ack=1 Win=4128 Len=185
3518 669.192370 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [PSH, ACK] Seq=186 Ack=1 Win=4128 Len=10
3519 669.199328 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3520 669.210731 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [PSH, ACK] Seq=1 Ack=196 Win=4086 Len=67
3521 669.211924 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [PSH, ACK] Seq=68 Ack=196 Win=4086 Len=7
3522 669.212137 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [PSH, ACK] Seq=196 Ack=68 Win=4061 Len=7
3523 669.214360 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
3524 669.216519 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [PSH, ACK] Seq=75 Ack=203 Win=4089 Len=6
3525 669.217402 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [PSH, ACK] Seq=203 Ack=81 Win=4048 Len=6
3526 669.220308 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3527 669.234329 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
3528 669.241275 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3529 669.249498 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19109 Destination port: inovaport2
...
3580 669.734302 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
3581 669.739331 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
3582 669.740444 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [ACK] Seq=81 Ack=209 Win=4096 Len=0
3583 669.740655 xx.xx.237.14 xx.xx.237.12 TCP sua > h323hostcall [ACK] Seq=268 Ack=483 Win=4096 Len=0
3584 669.754299 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
...
4727 680.813641 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
4728 680.822799 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
4729 680.833639 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
4730 680.838528 xx.xx.237.12 xx.xx.237.14 UDP Source port: 19108 Destination port: inovaport1
4731 680.853642 xx.xx.237.14 xx.xx.237.12 UDP Source port: inovaport1 Destination port: 19108
4732 680.856909 xx.xx.237.12 xx.xx.237.14 TCP [TCP segment of a reassembled PDU]
4733 680.862569 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [PSH, ACK] Seq=81 Ack=209 Win=4096 Len=6
4734 680.867215 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [PSH, ACK] Seq=209 Ack=87 Win=4042 Len=6
4735 680.910474 xx.xx.237.14 xx.xx.237.12 TCP sua > h323hostcall [FIN, ACK] Seq=268 Ack=627 Win=4096 Len=0
4736 680.910818 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [FIN, ACK] Seq=87 Ack=215 Win=4096 Len=0
4737 680.911241 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > sua [ACK] Seq=627 Ack=269 Win=3861 Len=0
4738 680.911433 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [ACK] Seq=215 Ack=88 Win=4042 Len=0
4739 680.911737 xx.xx.237.12 xx.xx.237.14 TCP h323hostcall > sua [FIN, PSH, ACK] Seq=627 Ack=269 Win=3861 Len=0
4740 680.912278 xx.xx.237.14 xx.xx.237.12 TCP sua > h323hostcall [ACK] Seq=269 Ack=628 Win=4096 Len=0
4741 680.913729 xx.xx.237.12 xx.xx.237.14 TCP 61820 > biimenu [FIN, PSH, ACK] Seq=215 Ack=88 Win=4042 Len=0
4742 680.914345 xx.xx.237.14 xx.xx.237.12 TCP biimenu > 61820 [ACK] Seq=88 Ack=216 Win=4096 Len=0
хх.хх.237.12 - циско
хх.хх.237.14- адпакВо обоих случаях совершается исходящий звонок с адпака с одними и теми же настройками, но wireshark определяет их по разному.
Причем это происходит рандомно то есть не зависит от того какой номер набирали.
Мне хотелось бы узнать- так и должно быть или пакеты во втором случае формируются не правильно и в этом может крыться причина обрывов слышимости?
Вопрос и метод задания некорректны.
Я не думаю, что здесь много спецов по H323 и конкретно этому снифферу.
Исходя из дампа, все таки подозреваю, что сниффер не делает анализ rtp
на уровне L7, а считает по номерам портов. Циска точно и адпак по моему пользую для rtp порты 16384-32758. Если объяснить это снифферу думаю картинка будет одна.В циске существуют прекрасные средства отладки:
debug cch323 h225
debug cch323 h245это для анализа коректности установления сессии. Там же будет видно о чем они договорились по rtp. потом можно посмотреть
sh call act vo br
там по числу принятых переданных пакетов видно, кстати и порты тоже.Ну еще можно посмотреть сами rtp пакеты. правда не на циске в работе,
а-то красиво зажгется всеми лампочками и повиснет :)
Воообще, у меня подозрение, что на ком-то стоит acl с перекрытием части rtp портов.