i have 2 WLC 4400 integraded in 3750G.
One has 6.0.202 and the other 6.0.188.
They are in different places but now i want to put them in the same mobility group.
Will this difference be a problem?
Yes it will be an issue. You have to remember that the AP gets it firmware from the WLC image. So if an AP has to mi e from one to the other, it will either upgrade or downgrade each time. Best practice is to keep the firmware the same.
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