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Re: 1562I cannot join wlc (wrong time?)

Hi Vengatesa

 

I have followed this thread, as well as others, regarding this issue. I have a very similar problem, with the same AP, but different softwareversions. Unfortunantly the solution provided to thread-initiater, doesn't work for me. Maybe you can help.

 

Here's a little background info:

 

We have 25 Cisco AIR-AP1562I-E-K9 (among many other AP's) running in our environment, and one that can't connect to the WLC.

 

AP showing:

 

[*02/16/2019 22:21:49.6000] Discovery response from MWAR ''running version 0.0.0.0 is rejected.
[*02/16/2019 22:21:49.6000] Failed to decode discovery response.
[*02/16/2019 22:21:49.6001] CAPWAP SM handler: Failed to process message type 2 state 2.
[*02/16/2019 22:21:49.6001] Failed to handle capwap control message from controller - status 4
[*02/16/2019 22:21:49.6001] Failed to process unencrypted capwap packet 0xf75000 from 10.10.10.10
[*02/16/2019 22:21:49.6001] Failed to send capwap message 0 to the state machine. Packet already freed.
[*02/16/2019 22:21:49.6001] IPv4 wtpProcessPacketFromSocket returned 4
[*02/16/2019 22:21:58.9511]
[*02/16/2019 22:21:58.9511] CAPWAP State: Discovery
[*02/16/2019 22:21:58.9527] DNS resolved CISCO-CAPWAP-CONTROLLER.mydomain.earth
[*02/16/2019 22:21:58.9527] DNS discover IP addr: 10.10.10.10
[*02/16/2019 22:21:58.9527] Discovery Request sent to 10.10.10.10, discovery type DNS(3)
[*02/16/2019 22:21:58.9528] Discovery Request sent to 255.255.255.255, discovery type UNKNOWN(0)
[*02/16/2019 22:21:58.9532] Discovery Response from 10.10.10.10
[*02/16/2019 22:21:58.9533]
[*02/16/2019 22:21:58.9533] This AP model is supported by controller version newer than 8.3.15.180!

 

WLC is 8540, running AireOS 8.3.135.0.

 

Sysinfo on WLC:

 

(Cisco Controller) >show sysinfo

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.3.135.0
RTOS Version..................................... 8.3.135.0
Bootloader Version............................... 8.1.102.0
Emergency Image Version.......................... 8.1.102.0

OUI File Update Time............................. Sun Sep 07 10:44:07 IST 2014

Build Type....................................... DATA + WPS

System Name...................................... Cisco8540-WLC
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.2171
Redundancy Mode.................................. SSO
IP Address....................................... 10.10.10.10
IPv6 Address..................................... ::
System Up Time................................... 23 days 17 hrs 10 mins 59 secs
System Timezone Location......................... (GMT +1:00) Amsterdam, Berlin, Rome, Vienna
System Stats Realtime Interval................... 5

--More-- or (q)uit
System Stats Normal Interval..................... 180

Configured Country............................... DK - Denmark
Operating Environment............................ Commercial (10 to 35 C)
Internal Temp Alarm Limits....................... 10 to 38 C
Internal Temperature............................. +23 C
Fan Status....................................... OK

RAID Volume Status
Drive 0.......................................... Good
Drive 1.......................................... Good

State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 8
Number of Active Clients......................... 11063

OUI Classification Failure Count................. 0

Burned-in MAC Address............................ 84:3D:C6:6F:1E:61
Power Supply 1................................... Present, OK
Power Supply 2................................... Present, OK
Maximum number of APs supported.................. 6000

--More-- or (q)uit
System Nas-Id.................................... Cisco8540-WLC
WLC MIC Certificate Types........................ SHA1/SHA2
Licensing Type................................... RTU

 

I have tried to add the AP to the "AP Authorization List" - but that didn't change anything.

 

Time and date are not identical on AP and WLC. WLC is connected to ntp-server and is correct. Time on AP is several hours and around one month behind.

 

The AP software version is identical to the WLC. I have tried to switch to backup boot image config boot path 1|2 (8.3.135.0 and 8.5.131.0), but still not working.

 

I have tried to switch AP mode, but the command (config ap mode local|flexconnect) doesn't work on the AP.

AP70B3.1706.B028#config ap ?
client-trace Configure Client Trace

 

Any suggestions?

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