after upgrade from 4.4 to 4.5
1. when upgrade from 4.4 to 4.5 reboot ok but after 2min disconnect and need to unplug PoE to work..
2. rb600a don't work after 3-4 hours, need to unplug PoE to work again... Fw2.20
downgrade to 4.4 and the problem still there!
rb192 don't work. Fw2.18