I am currently running WCS 126.96.36.199. 188.8.131.52 and 184.108.40.206 is running on the Controllers. I want to upgrade to the latest "stable" versions. I see that people are/were having issues with 220.127.116.11. Since the 18.104.22.168-ER has been release are people still having problems?
What version is the community currently recommending?
I have currently upgraded my controllers from the same versions you have. I was running 22.214.171.124 on the controllers and 126.96.36.199 on the WCS server for Windows. I had no issues upgrading the controllers to 188.8.131.52 which is the last of the 4.0 code, and very stable according to TAC. I am 6 weeks into it and everything is running fine. The WCS server went to 184.108.40.206 which is recommended when your controllers are at 220.127.116.11 and it is running better than ever.
I don't know about the 18.104.22.168 code. You may have to run that controller up to 22.214.171.124 prior to going to 4.0 code.
Here is a link to the upgrade path for the WLC's. Good luck with it.
I am running 126.96.36.199 on my WLC4402s and 188.8.131.52 on WCS. Been up for about a month on each and no problems, I have a mix of older 1230's 1242's and 1510 mesh on the network, 60 access points. I like 184.108.40.206 on the WCS tons better, reporting, security alerts are all a lot better.
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...
This is the start of a display filter cross reference between Wireshark and OmniPeek.
The 1st installment is a table of advanced filters. More filters will be added as time allows.
It is a living doc, so check back for changes every so often
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I have created a Powershell script to automatically add a Wireless Guest User on Cisco WLCs. (tested on 2500 Series)
The script should be completely self explanatory.
Powershell SNMP Module (Install-Module -Name SNMP)
SNMP Write Access to...