I have only deployed 4.2.130 and have no issues. 5.0 is not recommended and 5.1 is too new. 4.1.173 just came out and states that it fixes issues with 1250 ap's, but if you don't have 1250's then I would say 4.2.130 since you are already on the 4.2 code. I have deployed 4.1.185 on WiSM's and standalone wlcs when I do not have 1250's in the environment. But again, you are on 4.2 so just stay on 4.2.
126.96.36.199 has the AssureWave logo, which means that Cisco have simulated a whole bunch of real life scenario configurations in their labs and they verify that there are no issues. I am using 188.8.131.52 and do not have any issues.
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...