WLC HA-SSO between 5520 and 3504

[Daniel Alejandro Castro Henriquez]

Good morning, a query, can you build a HA-SSO (Redundant port) topology between a WLC 5520 and a WLC3504 ??? are they compatible with each other??

Best Regards.

[Leo Laohoo · Accepted solution]

Not possible.  Not going to work. 

[Scott Fella · Accepted solution]

The guide for SSO states that the controller needs to be the same model and firmware. Your only decision is to look at N+1 if you want redundancy.