@Nandus This model no longer supports the Layer 2 VLAN function and cannot achieve simple isolation. Other models like R600VPN and TL-R470T+ can achieve VLAN isolation.

@ITV The only difference is that the products are produced in different factories, usually from different countries. They have the same firmware version and they has no need to worry about it.

@ITV Rolling Upgrade means you can upgrade the devices in batch instead of one by one. No option as schedule upgrade.

@Mellx1 Device account for all adopted devices on the site in batches. Once the devices are adopted by the controller, their username and password become the same as settings in the Device Account to...

@PavelV How about upgrading the Controller version into 4.3.5 then upgrade the firmware of the router on Controller?

@MD_Service The span of upgrading the firmware is too large, controller version is 4.3.5 and is matched with 5.0.3's firmware version of EAP, on controller need to upgrade without span. The upgrade...