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Controller Upgrade

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rahulan_jay
New Contributor

‎01-11-2022 08:34 PM

when upgrade the wireless controller will wifi go offline?

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Anonymous
Not applicable

‎01-12-2022 12:28 AM

Hi @rahulan_jay,

If you are talking about ZD/Unleashed setup. Yes, there would be downtime of about 30 minutes, as APs upgrade their firmware as well.

In vSZ/SZ-100/144/300 platform there won't be downtime unless you have tunneled WLANs and Proxy Dot1x Authentication. The AP zone can be upgraded off hours.

Hope this answers your question!

Regards,

Parikshith

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Vineet_nejwala
Moderator
Moderator

‎01-12-2022 12:41 AM

Hi @rahulan_jay 


While the controller is upgrading, the AP continues to serve the clients (that doesn't need vSZ to proxy any request) since you have to manually upgrade the AP zones to upgrade the APs.However, once the vSZ is upgraded and you upgrade the APs, AP’s will reboot during the upgrade stage and there will be client disconnection/downtime. By default in AP group/zone  the AP Reboot timeout is set as 30 min if vsz not reachable, You might need to increase this timeout depending upon the Network before upgrade.

Best Regards

vineet

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