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Beginner

Fast SSID change question

Hello,

 

We have a WLC5520 with APs in flexconnect mode, with have an recurrent issue, when we are connected to a WLAN and want to switch to another, example the guest WLAN, it fails 5/10 times. To connect at first time we need to disconnect from WLAN before connecting to another one.

 

I've read the "Fast SSID Change" feature can solve thie issue.

 

Do you know if it's ok to enable this feature in flexconnect mode ?

 

As it's a global setting, and we have around 400 APs, it's critical for us, do you know if there will be any disconnection/reboot when we will enable it ? 

1 ACCEPTED SOLUTION

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Hall of Fame Master

I have made these changes in the past on many environments without any disruption. Like was was already mentioned, if you are worried, make the change during a change window. It’s probably best to do that anyways.
-Scott
*** Please rate helpful posts ***

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4 REPLIES 4
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I had the same problem.I enabled fastSSID change there was not any problem like AP reboot and client disconnect.

I had Flex APs too.

There is no warning in config guide :

https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-4/configuration/guides/consolidated/b_cg74_CONSOLIDATED/b_cg74_CONSOLIDATED_chapter_01001.html

But if you are still not sure you can wait to change after work hours.

Highlighted
VIP Mentor

Yes you should enable FAS SSID Change.

 

https://rscciew.wordpress.com/2014/06/07/fast-ssid-change/

 

Regards

Dont forget to rate helpful posts

Highlighted
Hall of Fame Master

I have made these changes in the past on many environments without any disruption. Like was was already mentioned, if you are worried, make the change during a change window. It’s probably best to do that anyways.
-Scott
*** Please rate helpful posts ***

View solution in original post

Highlighted
Beginner

Many thanks guys for your answer !

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