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Cisco 2504 WLC Firmware Upgrade Advice Needed


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#1 1234s282

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Posted 11 March 2019 - 05:51 AM

Hi Everyone,

I have "inherited" a Cisco 2504 wireless controller that is currently running an old 8.1.102.0 firmware release and FUS 1.0.0

I have all of the necessary firmware updates downloaded and have attempted to read through Cisco's extensive release notes.

Would someone kindly give me a hand to explain the easiest upgrade path for me to get the controller up to the latest 8.5.140.0 and FUS 2.0.0 software releases?

Thank you :-)

Edited by 1234s282, 11 March 2019 - 05:59 AM.


#2 VinoySC

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Posted 11 March 2019 - 06:17 AM

There is no easiest upgrade but the process itself is easy. Just download the code from Cisco and upload it to WLC then it will reboot with new code.

Just incase you have lots of APs connected to this controller then you make sure that the APs are upgraded 1st.

#3 1234s282

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Posted 11 March 2019 - 06:54 AM

Thanks for the quick reply - I'm guessing what i'm asking is can I go directly from 8.1 >8.5 and FUS 1.0.0 > 2.0.0 or is there a specific order that I have to update things in?

#4 VinoySC

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Posted 11 March 2019 - 07:41 AM

There is no specific update path. You can directly upgrade to the desired code.

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