The SNCP and SNCMP were switched due to the fiber was cut and entered the WTR state when the fiber restore, the WTR time of SNCP is normal but SNCMP is abnormal. For example , the WTR time was configed is 600s. the state of SNCP wait 600s enter normal after WTR ,but the SNCMP wait 1200s enter normal.
Version is 5.21.18.50
According to analyzed the source code, i found when the SNCP and SNCMP enter the state of WTR at one time. the timer of SNCP was countdown, but the SNCMP wasn’t countdown. after the timer of SNCP was time out, the timer of SNCMP was countdown . so you will see the WTR time of SNCMP is 1200s.
N/A
The alarms:
912159 8 AU_AIS MJ end 2013-06-26 12:19:52 2013-06-26 12:24:17 0x01 0x00 0x01 0xff 0xff
912160 8 AU_AIS MJ end 2013-06-26 12:19:52 2013-06-26 12:24:17 0x01 0x00 0x0c 0xff 0xff
After AU_AIS disappear ,SNCP enter WTR state.wait 600S,the WTR timer time out,SNCP enter IDLE state.
SNCP Switch 26-Ne Name OptiX OSN 7500 2013-06-26 12:34:18 Source:26-Ne Name-8-T2SL64-1(SDH-1)-VC4-12-VC12:33;Sink:26-Ne Name-17-N1EFT8-1(SDH-1)-VC4-8-VC12:23;
Status: working at working channel;Switching Status: idle;working channel current status: normal;protection channel current status: normal;
SNCP Switch 26-Ne Name OptiX OSN 7500 2013-06-26 12:24:18 Source:26-Ne Name-8-T2SL64-1(SDH-1)-VC4-12-VC12:33;Sink:26-Ne Name-17-N1EFT8-1(SDH-1)-VC4-8-VC12:23;
Status: working at protection channel;Switching Status: Wait to Restore;working channel current status: normal;protection channel current status: normal;
After AU_AIS disappear ,SNCMP enter WTR state.wait 1200S,the WTR timer time out,SNCMP enter IDLE state.
The addtional information is empty, that is the problem of NMS.
SNCP Switch 26-Ne Name OptiX OSN 7500 2013-06-26 12:44:18
SNCP Switch 26-Ne Name OptiX OSN 7500 2013-06-26 12:24:18 Protection Group 1,current work channel:Protection Channel 1,curent status:Normal,Working Channel:normal,Protection Channel 1:normal,Protection Channel 2:normal
Upgrade NEs of versions earlier than R8C02SPC500 to R8C02SPC500 or a later version
Upgrade NEs of versions earlier than R9C03SPC300 to R9C03SPC300 or a later version
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