removing known WLC's from lightweight AP

[warren rautenbach]

Hi All,

As we know, an AP stores its last known WLC's in its NVRAM. 

Is there anyway to remove controllers from that list?

i know there is a CLI command to specify a controller - capwap ap controller ip address x.x.x.x - so i am hoping there is an alternative.

I dont want to have to write erase the AP...I am talking about almost 400 AP's here....in an health environment. 

Any suggestions will be great.

[Rasika Nayanajith]

If APs are managed by WLC, then it does not matter as all config push via WLC to AP (assume AP will get required controller IP via DHCP option/DNS or any other method than static config.

Since this information stored in NVRAM you have to erase NVRAM to clear this info from AP. Below 3 CLI lines will do it on a given AP.

debug capwap console cli
erase /all nvram:
reload

http://mrncciew.com/2013/03/17/ap-registration/

HTH

Rasika

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[warren rautenbach]

thanks mate,

when i erase the NVRAM will that lose the AP config relating to AP groups etc.?

[Rasika Nayanajith]

Unfortunately yes,

since AP go back to default configuration any AP specific configurations done via WLC get lost

HTH

Rasika