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9800 WLC IOS upgrade in HA

Noovi
Level 1
Level 1

‎11-05-2023 11:26 PM

Hello Guys,

I have deployed Cisco 9800 WLC in HA. I know the IOS upgrade procedure for standalone WLC but i heard that if WLC is in HA then IOS upgradation can not be done remotely, is it true?

Also, one issue i observed, when i broke HA settings from Master WLC, STandby WLC interfaces are going admin down and need console to unshut those interfaces. Hence i want to clear my above query 

 

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3 Replies 3

Leo Laohoo
Hall of Fame
Hall of Fame

‎11-05-2023 11:34 PM

I have two pairs of 9800 in HA SSO and I remotely upgrade the firmware using CLI.  

Noovi
Level 1
Level 1
In response to Leo Laohoo

‎11-06-2023 12:06 AM

can you plz share document link or steps?

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Leo Laohoo
Hall of Fame
Hall of Fame
In response to Noovi

‎11-06-2023 12:36 AM - edited ‎11-07-2023 11:30 AM

@Noovi wrote:
can you plz share document link or steps?

Read THIS or the attachment (below).

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