The WTR Time of SNCMP is Abnormal Due to Software Bug

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

 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
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.

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 on Huawei OSN product like OptiX OSN 7500.

 

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;
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  Status: working at protection channel;Switching Status: Wait to Restore;working channel current status: normal;protection channel current status: normal;

 
You can search more Huawei products on Huawei transmission network
 
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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