@ITV No, the switch settings won't be able to be applied to another switch. For the ACL questions, I'm not sure in which part you cannot understand. Basically on the Omada system, the Omada devices...

@Dropbear Yes, add the Permit rule first, then the Deny rule. BTW you need an Omda switch to make the switch ACL work.

@danrad0m Did you upgrade the switch FW recently? What is the version of your controller? You may confirm the switch settings on the Controller, that the uplink port(to your router/DHCP server) has...

@rpiboy it's strange, if it is the VLAN tagged problem, then the devices should not be able to pick up correct IPs from the SG108E. You may try to have a simple Ping test: On the devices(that is...

@Dropbear It can only be done by a switch ACL.

@mehmeh It seems the VLAN tagged data did not go though to the switch. You have all switches show "connected" on the controller right? Check the Network-LAN settings, choose all the router ports if...