How to see if Option 43 is working for the AP

I have configured my dhcp server to provide the WLC IP address to the APs over the option 43, but the AP is not joining to the controller.
I just wanted to check in the AP to see if it's looking for the right controller IP to be sure it was able to get it correclty from DHCP.
I tried to find some console line command to do that but i couldn't find.
the "show lwapp ip..." shows only the manyally configured informations, I would like some command that would say "I'm looking for this controller" is there anyone?

Hi
Connect to LAP and see what is gong on. I will provide you two outputs from LAP. One with improper DHCP option set and one with good.
First:
Cisco IOS Software, C1250 Software (C1250-RCVK9W8-M), Version 12.4(10b)JA1, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Wed 30-Jan-08 12:11 by prod_rel_team
*Mar 1 00:00:07.939: %LINK-3-UPDOWN: Interface GigabitEthernet0, changed state to up
*Mar 1 00:00:08.939: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0, changed state to up
ap>
ap>
ap>
ap>
*Mar 1 00:00:26.983: %LWAPP-5-CHANGED: LWAPP changed state to DISCOVERY
*Mar 1 00:00:27.135: Logging LWAPP message to 255.255.255.255.
~
%DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.0.0.5, mask 255.255.255.0, hostname AP
%CDP_PD-4-POWER_OK: Full power - NEGOTIATED inline power source
Translating "CISCO-LWAPP-CONTROLLER"...domain server (255.255.255.255)
%LWAPP-3-CLIENTEVENTLOG: Did not get log server settings from DHCP.
%LWAPP-3-CLIENTEVENTLOG: Did not get any DNS options from DHCP. <<<<<<<<<<<<<<<============== IMPROPPER DHCP OPTION SET
%SYS-6-LOGGINGHOST_STARTSTOP: Logging to host 255.255.255.255 started - CLI initiated
%LWAPP-3-CLIENTEVENTLOG: Performing DNS resolution for CISCO-LWAPP-CONTROLLER
%LWAPP-3-CLIENTERRORLOG: DNS Name Lookup: could not resolve CISCO-LWAPP-CONTROLLER
Second:
*Mar 1 00:00:09.831: %SYS-5-RESTART: System restarted --
Cisco IOS Software, C1250 Software (C1250-K9W8-M), Version 12.4(16b)JA, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Mon 07-Jul-08 18:19 by prod_rel_team
*Mar 1 00:00:09.831: %SNMP-5-COLDSTART: SNMP agent on host AP is undergoing a cold start
*Mar 1 00:00:10.871: %SSH-5-ENABLED: SSH 2.0 has been enabled
*Mar 1 00:00:10.875: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0, changed state to up
*Mar 1 00:00:11.199: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Mar 1 00:00:12.343: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio0, changed state to down
*Mar 1 00:00:28.443: %LWAPP-5-CHANGED: LWAPP changed state to DISCOVERY
*Mar 1 00:00:28.447: bsnInitRcbSlot: slot 1 has NO radio
*Mar 1 00:00:28.451: bsnUnlockDevice: not bring radio up: radio 1 is in admin disable state
*Mar 1 00:00:28.611: Logging LWAPP message to 255.255.255.255.
%CDP_PD-4-POWER_OK: Full power - NEGOTIATED inline power source
%LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio0, changed state to up
%SYS-6-LOGGINGHOST_STARTSTOP: Logging to host 255.255.255.255 started - CLI initiated
%DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.0.0.22, mask 255.255.255.0, hostname AP
Translating "CISCO-LWAPP-CONTROLLER"...domain server (xxx.xx.64.2)
%LWAPP-3-CLIENTEVENTLOG: Controller address xxx.xx.65.130 obtained through DHCP
%LWAPP-3-CLIENTEVENTLOG: Did not get log server settings from DHCP.
%LWAPP-3-CLIENTEVENTLOG: Performing DNS resolution for CISCO-LWAPP-CONTROLLER
%LWAPP-3-CLIENTERRORLOG: DNS Name Lookup: could not resolve CISCO-LWAPP-CONTROLLEREncoding the APType as 0
Encoding the RSSI threshhold as 0
Encoding the APType as 0
Encoding the RSSI threshhold as 0
%LWAPP-5-CHANGED: LWAPP changed state to JOIN
%LINK-5-CHANGED: Interface Dot11Radio0, changed state to administratively down
%LWAPP-5-CHANGED: LWAPP changed state to CFG
%LWAPP-5-CHANGED: LWAPP changed state to DOWN
%LWAPP-5-CHANGED: LWAPP changed state to UP
%LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
%LWAPP-3-CLIENTEVENTLOG: AP has joined controller WLC_1
Hope this help
Regards
Greg

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How to see if Option 43 is working for the AP

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