Hello, I am in trouble with WLC Controller 5520.
The issue is related to reading the system info information from the ssh console.
For example, on Tuesday the WLC Controller is rebooted of a software crash reason.
When we log in a few minutes later and we check the uptime of the WLC with "show sysinfo" command
and there the uptime was okay and we ignore the mail notification:
System Up Time................................... 19 days 21 hrs 4 mins 46 secs for TESTWLC01.
But two days later we check it again and the output is different!
show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.10.121.0
RTOS Version..................................... 8.10.121.0
Bootloader Version............................... 8.3.15.177
Emergency Image Version.......................... 8.3.141.0
OUI File Last Update Time........................ Tue Feb 06 10:44:07 UTC 2018
Build Type....................................... DATA + WPS
System Name...................................... TESTWLC01
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.2170
Redundancy Mode.................................. SSO
IP Address....................................... 192.168.1.20
IPv6 Address..................................... ::
System Up Time................................... 1 days 19 hrs 36 mins 6 secs
System Timezone Location......................... (GMT +1:00) Amsterdam, Berlin, Rome, Vienna
System Stats Realtime Interval................... 5
--More-- or (q)uit
System Stats Normal Interval..................... 180
Configured Country............................... Multiple Countries : BG
Operating Environment............................ Commercial (10 to 35 C)
Internal Temp Alarm Limits....................... 10 to 38 C
Internal Temperature............................. +24 C
Fan Status....................................... OK
State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 4
Number of Active Clients......................... 85
OUI Classification Failure Count................. 141798
Memory Current Usage............................. 11
Memory Average Usage............................. 11
CPU Current Usage................................ 0
CPU Average Usage................................ 0
Flash Type....................................... Compact Flash Card
Flash Size....................................... 1073741824
The second check is not like the first about uptime information.
An additional check with "show logging last-reset" show us real information about real software crash event
The output is :
show logging last-reset
(Cisco Controller) >show logging last-reset
!!!Message and Trap Logs from Previous Reset
--------------------------------------------- Last Reboot MsgLog & Traplog ---------------------------------------------
Sys Name: TESTWLC01
Model: AIR-CT5520-K9
Version: 8.10.121.0
Primary Boot Image: 8.10.121.0 (default) (active)
Backup Boot Image: 8.5.131.0
LastReset Reason: Software Crash
Timestamp: Tue Oct 6 14:35:36 2020
SystemUpTime: 27 days 22 hrs 52 mins 45 secs
And now I am confused ...
Where I can see really the true uptime of device after Software crash?
Is it possible to see the incorrect output of uptime in these two commands:
"show sysinfo" and "show logging last-reset" ?
And one last question is it possible to see logs only about software crash and reasons for these type issues?
And if a reboot is initiated from a specific user is possible to figure out the right user?
Thank you in advance!
Best regards!
