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Contributor II
Posts: 54
Registered: ‎09-27-2012

Controller Migration Strategy

I'm upgrading a single 3600 controller to a  (2) 7200master-master controller setup.  What's the best approach to doing this?  My current idea is to join one the first 7200 controller with the old 3600 controller in master-master between them, test, then replace the 3600 with the other 7200.  What are your thoughts, and any gotcha's that I may be overlooking?

Solutions Engineer
CWNA-CWDP-ACMP-ACCP
Contributor II
Posts: 48
Registered: ‎05-14-2012

Re: Controller Migration Strategy

Contributor II
Posts: 54
Registered: ‎09-27-2012

Re: Controller Migration Strategy

I've already migrated 3600 to single 7200.  I'm asking more about migrating from single to multi.

Solutions Engineer
CWNA-CWDP-ACMP-ACCP
MVP
Posts: 4,301
Registered: ‎07-20-2011

Re: Controller Migration Strategy

Is it going to be Active-Active or Active-Standby ?

Thank you

Victor Fabian
Lead Mobility Engineer @ Integration Partners
AMFX | ACMX | ACDX | ACCX | CWAP | CWDP | CWNA
Contributor II
Posts: 54
Registered: ‎09-27-2012

Re: Controller Migration Strategy

Active-Standby with VRRP and db synch between them.

Solutions Engineer
CWNA-CWDP-ACMP-ACCP
MVP
Posts: 4,301
Registered: ‎07-20-2011

Re: Controller Migration Strategy

Both controllers will be in the same L2 segment ?

To migrate existing config from the 3600 to 7200 (Active Master)

- Upgrade the 3600 to 6.2 and Up

- Add the 7200 as a local to the 3600 that way it will push the config

- Add the licenses

- Then Make the 7200 a Master 

-  Follow this :

http://www.arubanetworks.com/vrd/CampusWNetworksVRD/wwhelp/wwhimpl/common/html/wwhelp.htm#context=CampusWNetworksVRD&file=Chap5_Redundancy.html

 

Thank you

Victor Fabian
Lead Mobility Engineer @ Integration Partners
AMFX | ACMX | ACDX | ACCX | CWAP | CWDP | CWNA
Contributor II
Posts: 54
Registered: ‎09-27-2012

Re: Controller Migration Strategy

What if there is no L2 between the controllers?

 

The controllers will be going in 2 separate Datacenters, so I guess I'll have to do LMS/BLMS type redundancy? 

Solutions Engineer
CWNA-CWDP-ACMP-ACCP
Contributor II
Posts: 48
Registered: ‎05-14-2012

Re: Controller Migration Strategy

[ Edited ]

You can also use HA for your APs if you are running 6.3 AOS.

Contributor II
Posts: 54
Registered: ‎09-27-2012

Re: Controller Migration Strategy

Unfortunately there are are SSIDs that are locally bridged, and according to the documentation HA only works when the SSIDs are tunneled.

Solutions Engineer
CWNA-CWDP-ACMP-ACCP
MVP
Posts: 4,301
Registered: ‎07-20-2011

Re: Controller Migration Strategy

What if there is no L2 between the controllers? The controllers will be going in 2 separate Datacenters, so I guess I'll have to do LMS/BLMS type redundancy? 

 

That is correct.

 

In this case you configure Master/Local so this way both controllers will have the same consistent config

Thank you

Victor Fabian
Lead Mobility Engineer @ Integration Partners
AMFX | ACMX | ACDX | ACCX | CWAP | CWDP | CWNA
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