Problem updating WLC from 4.1.185.0 to 5.0.148.0, help.

Unanswered Question
Apr 20th, 2008

Hello people

I tried to update my WLC 4402 from 4.1.185.0 to 5.0.148.0 and ran in to some trouble, this is

what I did:

1. Took backup of WLC (Commands -> Upload files -> uploaded config to a server)

2. Shut down WLANS

3. Downloaded AIR-WLC4400-K9-5-0-148-0.aes

4. Downloaded AIR-WLC4400-K9-5-0-148-0-ER.aes

5. Rebooted WLC

6. Downloaded config

7. After download of config the WLC automatically reset.

After this I couldn't access my WLC other than through the console. All settings were gone and

after fiddeling around for a while I realized that I could switch which image the WLC should boot

from, it looked like this:

1. 5.0.148.0 (active)

2. 4.1.185.0

I booted from image number 2 and restored my config, that worked fine, now my WLC is running again.

I set second image as active so it should automatically boot from that image if I reboot the WLC.

So now the boot list look like this:

1. 5.0.148.0

2. 4.1.185.0 (active)

My questions are:

If I would try updating again, from 4.1.185.0, would 4.1.185.0 be kept as the backup image again, so I

can restore if it doesn't work ? ie, would my boot list look like this:

1. 5.0.148.0 (active)

2. 4.1.185.0

Does anyone know what might have gone wrong ? I have a fealing that it's when I download the config

file that screws up the 5.0.148.0, could this be it ?

/Dan

I have this problem too.
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Matthew Fowler Tue, 04/22/2008 - 17:18

You are correct. All code before 4.2 uses binary configuration files, and code after 4.2 uses XML configuration files.

So, the WLC was expecting an XML file, but you uploaded a binary file, which resulted in the default settings.

hellbeach Wed, 04/23/2008 - 00:09

So if I updata again, will 4.1.185.0 still be kept as backup image ? (see my first post)

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