Is WDS useful for non CCKM capable clients?

Hi,
I have been reading abut WDS recently and let's say you have a couple of 1140s and want to have users authenticating with MS IAS (using PEAP) and enable roaming for them.
There aren't any funky IP Phones or other clients that would support CCKM. Just laptops from different vendors.
What benefit can you get from running WDS? Does it support roaming in the way that when a user roams from one AP to another not all of PEAP auth packets go to the RADIUS server so it's quick? And with CCKM it would be super extra quick?
Or, there's no benefit and setting up both APs with the same SSID and auth on non-overlapping channels would be enough?
Thanks and regards,
Miro

What happens if you only have the same SSID and roam, the clients will reauthenticate with PEAP to the IAS. Count on 1 second gap every time you roam.
This is actually totally ok for data clients usually (applications rarely notice when network is unreachable for less than a second).
Having a WDS has the advantage that it's always the same AP doing the authentication towards IAS so that's less configuration on the IAS side.
The biggest advantage is when used with CCKM indeed.
If CCKM is not an option, you have to rely on WPA2 fast roaming. But on IOS APs, it only occurs when a client roams to an AP it was already associated to. It then reuses the same keys.
Not as effective obviously

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