Piviul wrote the problem was that selecting options do nothing. Probably you had been logged out automatically from the web UI, then AJAX calls have no more effect. I suggest to increase the session...

@Samones, you need to adopt the EAP in the usual way. If an EAP will be shown as a Rogue AP in a wireless survey, it has been set up already by somebody. To be able to adopt it you need to reset it...

@Piviul, you need to set at least a Group ID and the Mode (Active/Passive) to enable LACP on a port: Since the LAG is created dynamically with LACP, it will show up only after both switches did...

@Piviul, you're welcome. Glad it worked for you!

@mariem56, whether a port needs to be a tagged or an untagged member of a VLAN depends on what you want to achieve. Inside the switch, all and every frames get always tagged. That's why all ports...

@Piviul, did you change the switch's IP and if so, what IP did you set before the upgrade? If the System LED blinks at ~1Hz frequency, the switch has finished the reboot and it should be reachable...