We upgraded our 5508's to 7.6.120.0 to support 2702i's and had
catastrophic issues. We run an Active/Standy HA pair with SSO. We
would get the following message:
#PEM-1-SETNAME: pem_api.c:8310 Unable to allow user <username> into the
system - perhaps the user is already logged onto the system?
and a similiar message for 802.1x users. Basically the system thought
the users were already logged in because the controllers were out of
sync even though using the "sh redundancy" tools from the command line
showed no issues. We would have to reboot the controller for it to go
away.. TAC verified the issue was a bug (don't have the exact bug ID)
and released to us 7.6.122.5 which has been stable so far. This all
happened at the end of June.
Every now and then a controller would reboot as well. TAC attributed to:
https://tools.cisco.com/bugsearch/bug/CSCuo86819
Finding good code for these controllers is tough. Sometimes it feels
like you have to pick your poison with these things.
On 7/31/2014 10:47 AM, Tom Klimek wrote:
We need to upgrade our 5508 controller code to support the 2702i
AP's(Currently at 7.3.101.0). We have a lot of 2600, 3500 series AP's
and some legacy 1142 and 1131's. We are thinking about moving to
7.6.120.0. Has anyone had experience with this version ? Any issues?
recommendations?
Thanks,
Tom Klimek
University of Notre Dame
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