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NE40E SRU switchover happened as the exception

Publication Date:  2012-07-27 Views:  50 Downloads:  0
Issue Description
a customer in an operator found an alarm message at his log file "Aug 7 2011 01:18:23 KHT1-CR2 %%01FIB/3/SMOOTH_INSIDE_MSG(l): Receiving smooth inside message! ", he was wondreing what can happend to cause this alarm?


Alarm Information
after investigating at the support site , i found that this alarm occurs propably when there is a switch over between the main/backup SRU.

note that:

this alarm indicate only that there is switch over occured between the main and backup SRU, this switch over can be occured due to , customer commands or failure at the main SRU and it is not nessecary that we must replace the main SRU after this log appear, but in our case after investigating with R&D there was a hardware failure and we must replace the SRU.

Handling Process
after checking i sent all the infomation to R&D , R&D confirmed that there is an error at SRU 10 and it must be repalced as the exception(please check the attachment).

R&D analysis report attached to this case


Root Cause
after the customer sent log file from the CFCARD, i foung this message "
Peer mpu/sru is reseted
#Aug 7 01:18:23 2011 KHT1-CR2 SRM/0/MSS:OID=1.3.6.1.4.1.2011.2.17.0.158,Board slotNum9 change to main.Main slave switch!.



also after investigating we found that this problem is not  related to special version.



Suggestions


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