08-17-2014 11:30 PM - edited 03-07-2019 08:25 PM
Hello !
i have a lot of switches 2960-X stack in my network, but i downgraded the iOS version (15.0(2)EX4 to 15.0(2)EX3 be cause some bugs are on EX4 with SFP).
Since I downgraded the version, i have a lot of troubles on some switches with a huge amount of CPU utilisation.
One is "normal" and this is the famous one : Hulc LED
but the other one is not "normal" for me :
this line :
190 207178513 1061976 195092 0.00% 31.06% 24.83% 0 Auth Manager
i dont know why on some switches the "Auth Manager" CPU utilisation is too high.
When the CPU is too high, we cannot join the switch, the ping is too high (between 500ms and 2100) and users complaining about network spikes.
So, i dont want to upgrade the iOS to the EX5 (too recent, and i dont know if bug with SPF and CPU are fixed).
About the Auth manager, what could raise this process to high for the CPU ?
(i have some check with nagios and snmpwalk but every 5 min and not every minutes, and nagios works well with EX4, issues appear since EX3)
thank for your help and advice
Solved! Go to Solution.
08-18-2014 04:02 PM
15.2(2)E is the first main-line engineering software for the 2960X. The "EX" versions you've been using are interim version and not really meant for long-term production network.
08-18-2014 02:53 AM
Try 15.2(2)E.
08-18-2014 04:11 AM
thx but are you sure if i upgrade to this version all my issues will be fixed ?
08-18-2014 04:02 PM
15.2(2)E is the first main-line engineering software for the 2960X. The "EX" versions you've been using are interim version and not really meant for long-term production network.
08-18-2014 10:45 PM
hello !
thank a lot for your reply, i didnt know that and i looked for the difference between EX and E :)
we gonna try this, and i hope it's gonna working !
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