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Upgrade FUS WLC 2504

Unanswered Question
Sep 1st, 2014
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Hi all,

Eh updated the firmware of my WLC 2504 (FUS) from 1.0.0 to 1.8.0 
I can again upgrade from 1.8.0 to 1.9.0 ?

I have read that is recommended once the upgrade of FUS. It is true?

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Salma Sulthana Mon, 09/01/2014 - 19:41
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  • Cisco Employee,

Hi,

 

yes, you can upgrade the firmware again from 1.8 to 1.9.

it's recommended to upgrade the same firmware version only once.

The FUS upgrade will take approximately about 30 minutes and it will reboot the WLC several times.

it's advised to upgrade once the FUS because the WLC reboots and sometimes they will see that the FUS has not upgraded and upgrade again instead of waiting for 30 to 45 minutes.

However, you can wait for the upgrade of FUS on the WLC to 1.8. once the WLC is stable you can upgrade the FUS again to 1.9.

Hope this helps.

 

Regards

Salma

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