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WLAN Controller 4400 HA

I have a customer who has 1 x WLAN 4402 Controller. Everything is working perfectly until last week when we add another 4402 to act as HA.

After that, i can no longer ping the management IP of the 1st WLAN controller, nor getting into the web mgmt interface. However, everything on the 2nd new controller works perfectly.

Mgmt IP of 1st 4400: 10.120.16.2

Mgmt IP of 2nd 4400: 10.120.16.4

I have spent a lot of time on this but still couldn't figured out why.

More info on the attached files.

Cheers,

Hunt

3 REPLIES
Hall of Fame Super Silver

Re: WLAN Controller 4400 HA

Is everything still working on the WLC1 and you just can't get into the gui?

-Scott
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Community Member

Re: WLAN Controller 4400 HA

All the APs are now registered to the 2nd Controller, and the mgmt IP doens't work still.

Hall of Fame Super Silver

Re: WLAN Controller 4400 HA

Well, the only thing left to do is reset the wlc1 to factory default and configure wlc1 from scratch since your configuration seems okay. Don't try to do a restore, just in case the config is corrupted. I had to do this once and after a week, same thing happened. which was ap's wouldn't join the controller, but I was able to manage the device.

-Scott
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