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Trouble phenomenon:
(1) The Client keeps roaming among several APs;
(2) It is difficult for the client to roam. The AP that the client is associated with has a very poor signal, but the client still does not actively roam to an AP with a better signal.
Problem causes: Client adjusts the roaming initiative to too high or too low.
Solution:
(1) In view of the failure phenomenon (1) Lower the roaming initiative of ClientA (supported by intel network card). (2) In view of the failure phenomenon
(2) Increase the roaming initiative of the Client (intel network card support).