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WLC Doesn't see one of My AP's

We were recently contacted about wireless issues.  I looked on the WLC and noticed 1 of 5 was missing.  I assumed it was a POE issue but then I looked at the switch and noticed that the Power was on and I can ping the AP.  

 

Any ideas why the unit will come up and network settings are working but will not connect to the WLC?  Can I reset the AP via a button or something?

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Enthusiast

Re: WLC Doesn't see one of My AP's

you can try to console in the AP and force them to the WLC

 

New APs

config ap primary-base Controller_name AP_name Controller_IP

 

Older APs

capwap ap controller ip address

Enthusiast

Re: WLC Doesn't see one of My AP's

I would first try rebooting one of them to see if that causes them to rejoin. if they are POE, just plug them from the switch wait 30 seconds and plug them back in

VIP Advisor

Re: WLC Doesn't see one of My AP's

If the AP joined before automatically, just shut down the ethernet port connect AP and unshut the Port.

 

So AP will get recycled with Power and Join the WLC Controller, if possible console to AP and see what is the error you getting.

 

AP gettting IP address from DHCP, make sure you have setup the DHCP Option for WLC controller IP to join.

 

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Hall of Fame Community Legend

Re: WLC Doesn't see one of My AP's


@Grant-Security/Network Analyst wrote:

I assumed it was a POE issue but then I looked at the switch and noticed that the Power was on and I can ping the AP.  


Oh this is helpful!

1.  The switch connected to the AP is PoE; and 

2.  The AP is pingable. 

Can you remote into the AP (telnet, SSH or console)?  The reason why I'm asking is I am more interested to know WHY the AP is no longer joined to the WLC.  

Next, what firmware is the WLC running on?  

If you can remote into the AP, kindly post (as in attach to this thread) the outputs to the following commands: 

1.  sh log (you might want to do "term length 0" first); and

2.  dir

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