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MVP
Posts: 112
Registered: ‎01-05-2016

What is down time if we upgrade controller ?

Hi , we plan to upgrade the controller OS. PLease advise 

1. How long is the network down time?

2. If there is a problem with the new OS, can we fall back to the current version? 

 

Thanks in advance.

 

 

 

Guru Elite
Posts: 20,759
Registered: ‎03-29-2007

Re: What is down time if we upgrade controller ?

1. 20 minutes tops
2. Yes.


Colin Joseph
Aruba Customer Engineering

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MVP
Posts: 112
Registered: ‎01-05-2016

Re: What is down time if we upgrade controller ?

Thanks for your kind reply. 

Will the AP firmware also be auto updated ? The same controller can support AP 135 and AP225 simultanouslly if controller OS version is higher than 6.3? 

 

 

MVP
Posts: 1,302
Registered: ‎11-07-2008

Re: What is down time if we upgrade controller ?

Yes, same time and both will run on the same controller above AOS 6.3. 

Jerrod Howard
Sr. Techical Marketing Engineer
MVP
Posts: 748
Registered: ‎03-25-2009

Re: What is down time if we upgrade controller ?

And if your APs and current firmware support AP pre-loading that 20 minutes could easily be cut in half.

Koen (ACMX #351 | ACDX #547 | ACCP)

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MVP
Posts: 112
Registered: ‎01-05-2016

Re: What is down time if we upgrade controller ?

Thanks. 

Before upgrading OS, we will do the backup.  If we do backup flash, does it mean backup the configuration and also the OS? 

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