Hi ,AP: 2602i - software version:15.2.2.JA1WLC: 3850 -software 3.02.02 SEAP and WLC are in same subnet, APs are joining but not registering,, error is *spamApTask0: 1 wcm: %CAPWAP-3-SPI_TUNNEL_CREATE_ACK_NOT_REC: Dropping discovery request from AP ...