@Tescophil If you can briefly describe your network topology and mark the location of your DNS Server, it will be able to pinpoint the problem more clearly. Suggest that you check if the DHCP Server...

@Hooch This looks like it has something to do with the LAG setting, can you describe exactly how your LAG is set? It would be good if you could label it in detail on the diagram.

@kald_c Agree with what @ dsj said, also suggest you check if the WAN IP is a public IP, if it is a private IP suspect that there is a double NAT in your network and you need to open the port on the...

@oOflyeyesOo Based on the error message you provided, there may be the IP confilct in your network. This switch's default IP is 192.168.0.1, if your router's LAN is the same, then it will be not...

@FWIT Consider making ACL entries on the main router for LAN-WAN restricted internet access.

@Hooch My understanding is that switch ACLs are primarily for wired networks and are more powerful, including the ability to be paired with the use of VLANs to achieve the role of assigning back-end...