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Upgrading two 5508's in mobility group

todd.johnsen
Level 1
Level 1

I can't for the life of me find an answer but I thought there was some extra "notes" for upgrading two 5508 controllers in a mobility group.  I have about 150 AP's (1140 series) and would really like to minimize the downtime as much as possible.  My current plan is as follows:

Upgrade WLC-2 (the secondary)

Reboot WLC-2

Upgrade WLC-1 (Primary w/all the AP's attached)

Push the AP image {predownload primary all}

Wait for the push to finish

Reboot WLC-1

Any tech notes / real life lessons learned you can share would be great.  It's a Hospital so I need to keep the downtime to an absolute minimum.

Going from 7.0.116 to 7.4.110

Thanks,

Todd

3 Replies 3

Leo Laohoo
Hall of Fame
Hall of Fame

As long as you will not be going to implement HA SSO, 7.4.110.0 seems to be a good version.  Although I haven't used this, some people have had good results with this version.

Your upgrade process is OK. 

I was actually looking at HA to keep the configs in sync.  Are there problems with it?

Not really.

I'm using 7.5 and I don't see any issues.

Have done multiple failovers of the AP during business hours and no one seemed to notice. 

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