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IVS to Cisco ETSI call dropouts

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OzzieGeorge

OzzieGeorge

Programmer
Jan 14, 2005
2,606
AU
Hi

I have a customer who has the incoming calls to his IVS delivered via a Cisco router however occasionally (about 5 times a day) calls dropout.

A router log shows that the following sequence is repeated over and over....

31/01/201310:18:25 AM [671276] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691801: *Jul 5 23:54:10.651: ISDN Se0/1:15 Q921: Net TX -> RRf sapi=0 tei=0 nr=104

31/01/201310:18:25 AM [671275] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691800: *Jul 5 23:54:10.651: ISDN Se0/1:15 Q921: Net RX <- RRp sapi=0 tei=0 nr=92


However when the problem occurs the following shows in the logs...

31/01/2013 10:19:04 AM [671284] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691809: *Jul 5 23:54:49.719: ISDN Se0/1:15 Q921: Net TX -> RRf sapi=0 tei=0 nr=104

31/01/2013 10:19:14 AM [671285] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691810: *Jul 5 23:54:59.719: ISDN Se0/1:15 Q921: Net TX -> RRp sapi=0 tei=0 nr=104

31/01/2013 10:19:14 AM [671286] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691811: *Jul 5 23:55:00.719: ISDN Se0/1:15 Q921: Net TX -> RRp sapi=0 tei=0 nr=104

31/01/2013 10:19:16 AM [671287] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691812: *Jul 5 23:55:01.719: ISDN Se0/1:15 Q921: Net TX -> RRp sapi=0 tei=0 nr=104

31/01/2013 10:19:16 AM [671288] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691813: *Jul 5 23:55:02.719: ISDN Se0/1:15 Q921: Net TX -> RRp sapi=0 tei=0 nr=104

31/01/2013 10:19:18 AM [671289] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691814: *Jul 5 23:55:03.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:19:18 AM [671290] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691815: *Jul 5 23:55:03.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:18 AM [671291] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691816: *Jul 5 23:55:04.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:20 AM [671292] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691817: *Jul 5 23:55:05.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:20 AM [671293] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691818: *Jul 5 23:55:06.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:21 AM [671294] From: (192.168.1.254) Fac:23 Sev:6 Msg >>> 691819: *Jul 5 23:55:07.719: %ISDN-6-LAYER2DOWN: Layer 2 for Interface Se0/1:15, TEI 0 changed to down

31/01/2013 10:19:22 AM [671295] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691820: *Jul 5 23:55:07.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:19:27 AM [671297] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691822: *Jul 5 23:55:12.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:27 AM [671298] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691823: *Jul 5 23:55:13.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:27 AM [671296] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691821: *Jul 5 23:55:12.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:19:29 AM [671299] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691824: *Jul 5 23:55:14.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:29 AM [671300] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691825: *Jul 5 23:55:15.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:31 AM [671301] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691826: *Jul 5 23:55:16.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:19:36 AM [671304] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691829: *Jul 5 23:55:22.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:36 AM [671303] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691828: *Jul 5 23:55:21.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:36 AM [671302] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691827: *Jul 5 23:55:21.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:19:38 AM [671306] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691831: *Jul 5 23:55:24.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:38 AM [671305] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691830: *Jul 5 23:55:23.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:40 AM [671307] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691832: *Jul 5 23:55:25.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:19:45 AM [671308] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691833: *Jul 5 23:55:30.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:19:45 AM [671309] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691834: *Jul 5 23:55:30.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:45 AM [671310] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691835: *Jul 5 23:55:31.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:47 AM [671312] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691837: *Jul 5 23:55:33.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:47 AM [671311] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691836: *Jul 5 23:55:32.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:49 AM [671313] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691838: *Jul 5 23:55:34.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:19:54 AM [671315] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691840: *Jul 5 23:55:39.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:54 AM [671316] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691841: *Jul 5 23:55:40.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:54 AM [671314] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691839: *Jul 5 23:55:39.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:19:56 AM [671317] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691842: *Jul 5 23:55:41.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:56 AM [671318] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691843: *Jul 5 23:55:42.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:19:58 AM [671319] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691844: *Jul 5 23:55:43.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:20:03 AM [671321] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691846: *Jul 5 23:55:48.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:03 AM [671322] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691847: *Jul 5 23:55:49.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:03 AM [671320] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691845: *Jul 5 23:55:48.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:20:05 AM [671323] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691848: *Jul 5 23:55:50.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:05 AM [671324] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691849: *Jul 5 23:55:51.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:07 AM [671325] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691850: *Jul 5 23:55:52.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:20:12 AM [671326] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691851: *Jul 5 23:55:57.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:20:12 AM [671327] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691852: *Jul 5 23:55:57.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:12 AM [671328] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691853: *Jul 5 23:55:58.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:14 AM [671330] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691855: *Jul 5 23:56:00.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:14 AM [671329] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691854: *Jul 5 23:55:59.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:16 AM [671331] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691856: *Jul 5 23:56:01.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/2013 10:20:21 AM [671333] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691858: *Jul 5 23:56:06.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:21 AM [671334] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691859: *Jul 5 23:56:07.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:21 AM [671332] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691857: *Jul 5 23:56:06.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/2013 10:20:23 AM [671335] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691860: *Jul 5 23:56:08.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/2013 10:20:23 AM [671336] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691861: *Jul 5 23:56:09.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/201310:20:25 AM [671337] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691862: *Jul 5 23:56:10.719: ISDN Se0/1:15 Q931: Ux_DLRelInd: DL_REL_IND received from L2

31/01/201310:20:28 AM [671339] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691864: *Jul 5 23:56:13.923: ISDN Se0/1:15 Q931: DISCONNECT pd = 8 callref = 0xA846

31/01/201310:20:28 AM [671340] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691865: Cause i = 0x8190 - Normal call clearing

31/01/201310:20:28 AM [671338] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691863: *Jul 5 23:56:13.919: ISDN Se0/1:15 Q921: Net RX <- INFO sapi=0 tei=0, ns=0 nr=0

31/01/201310:20:28 AM [671341] From: (192.168.1.254) Fac:23 Sev:6 Msg >>> 691866: *Jul 5 23:56:14.255: %ISDN-6-DISCONNECT: Interface Serial0/1:0 disconnected from 892024666 , call lasted 133 seconds

31/01/201310:20:29 AM [671342] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691867: *Jul 5 23:56:14.883: ISDN Se0/1:15 Q921: Net RX <- RRp sapi=0 tei=0 nr=0

31/01/201310:20:29 AM [671343] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691868: *Jul 5 23:56:15.719: ISDN Se0/1:15 Q921: L2_EstablishDataLink: sending SABME

31/01/201310:20:29 AM [671344] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691869: *Jul 5 23:56:15.719: ISDN Se0/1:15 Q921: Net TX -> SABMEp sapi=0 tei=0

31/01/201310:20:29 AM [671345] From: (192.168.1.254) Fac:23 Sev:7 Msg >>> 691870: *Jul 5 23:56:15.727: ISDN Se0/1:15 Q921: Net RX <- UAf sapi=0 tei=0

31/01/201310:20:30 AM [671346] From: (192.168.1.254) Fac:23 Sev:6 Msg >>> 691871: *Jul 5 23:56:15.727: %ISDN-6-LAYER2UP: Layer 2 for Interface Se0/1:15, TEI 0 changed to up


Sorry this was so long winded but if anyone has any ideas, they would be gratefully recieved
 
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Ok

So having finally got a look at the config of the router, it turns out the IT people hadn't set the clock source and so there was no clocking at all! Clock source set and problem gone!
 
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