1. let user perviod log.log log.dblg and diagnose information
2. According to the log information, found device reboot detail time .
===============display reboot-info===============
=======================================================
Slot ID Times Reboot Type Reboot Time(DST)
===========================================================================
0 1 POWER 2018/06/29 10:22:12
0 2 POWER 2018/05/13 11:44:49
3. Find the record of the device restart according to the device restart time in the log
May 13 2018 11:44:27+05:30 HUAWEI SNMP/4/COLDSTART:OID 1.3.6.1.6.3.1.1.5.1coldStart.
May 13 2018 11:44:23+05:30 HUAWEI %VFS/6/DEV_REG(l)[1]:Device flash: registration finished.
Jun 29 2018 10:21:49+05:30 HUAWEI SNMP/4/COLDSTART:OID 1.3.6.1.6.3.1.1.5.1coldStart.
Jun 29 2018 10:21:45+05:30 HUAWEI %VFS/6/DEV_REG(l)[1]:Device flash: registration finished.
Root cause
According to the log information, the restart is due to coldstart, so it should be due to the physical environment.
suggession
Replace physical power or improve physical environment
