Extreme Networks

I guess it depends on the terminals and their skills (brand, model, chipset, driver version, ...)

Same problem for us, when upgrading : a lot of 2.4Ghz clients are not be able to have the IP : I saw 0.0.0.0 But when using the release Software: 10.31.08.0006 : everything is OK 10.31.X is OK but 10.41.X are not ok (trying the three last release whi...

You have to use UPM (Universal Port Profile) See userguide to play with it