11 Mon Jun 14 09:11:56 2010 Decrypt errors occurred for client 00:13:ce:54:57:3c using WPA key on 802.11b/g interface of AP 00:16:9c:91:97:c0 12 Mon Jun 14 09:11:56 2010 Decrypt errors occurred for client 00:16:6f:91:d8:60 using WPA2 key on 802.11b/g interface of AP 00:16:9c:91:97:c0
These are only occuring for clients that are disconnecting....
They can reconnect after a WLC reboot....
We have swapped APs.....
I have seen this error in other forums but it says not to worry about it. There has to be a connection between this and clients getting disconnected. We have anywhere between 10-50 clients on the system at any one time.
Is this a client issue (nic firmware, version) or is this an error in the controller??
and we had such logs on our controller when the clients of iPad devices were connecting to the APs (802.11b/g/n) - we could see from the controller that the device has got an ip, but could not even ping it, otherwise there were no problems with the connections to APs (802.11a/n). there were also no problems on both kinds of APs for other Apple devices.
So we used your advise, but left only WPA2+TKIP encryption for the Apple WLAN - as yet - everything is ok! hope, we have solved the problem.
IntroductionHow to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experi...
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(#)For this reason being that : - application that doesn't use multicast, sends one copy of each packet ( data unit of traffic at layer 3 ) to each client (" who seeks the traffic ).- application that does use multicast, sends ...
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...