ArubaOS and Controllers

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Occasional Contributor II
Posts: 77
Registered: ‎07-10-2009

search for redundancy

Hello, we have a single 3400 controller on our facility.
We are thinking about buying an extra 3400 to use
some kind of high availability scheme.
Our provider told us that we need to buy again all the licenses
that we are using for the extra 3400, because if the first controller
fails and the second have not enough licenses the APs will not
work.

What kind of scheme HA scheme would you advice if we only want
to have a backup controller in case of the primary fails. We do not
want any kind of load balancing.

We have 64 AP licenses, 64 WIP and 64 PEF. We think buying again
all those licenses will be very expensive. What happens if the second
controller only have 64 AP licenses and do not have any of the WIP
PEF licences?

Thanks for the advice!
Guru Elite
Posts: 21,274
Registered: ‎03-29-2007

Re: search for redundancy

You do need a duplicate of what you have on the first controller for redundancy. The licenses must match on the second controller for you to have the same features upon failover.


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II
Posts: 77
Registered: ‎07-10-2009

Re: search for redundancy

But in case of a failure of the first device if i only have redundant AP licences then the other controller will not have the WIP and PEF features or will not even work?
I mean, at the moment i'm not using the features of WIP and about PEF i'm only using the feature to extract metrics of voip usage.
So i don't mind if during the impass of master controler failure i don't have this features.
Guru Elite
Posts: 21,274
Registered: ‎03-29-2007

Re: search for redundancy

If you do not have the licenses on that second controller, you will not have the features when the access points failover.


Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Occasional Contributor II
Posts: 77
Registered: ‎07-10-2009

Re: search for redundancy

Thanks for the info Joseph
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