@rpaulpen Hi, are you sure the switch can offer stable power to the OC200? Have you tested by short cables? Can the switch work fine before? Are these connected logs affecting the actual network?

@sagar002100 Hi, suggest not setting the VPN IP pool only between 192.168.0.231 to 192.168.0.235, because setting up a VPN also requires several virtual IPs in which to communicate with each other to...

@qpon Hi, dude, SG3428XMP is a switch, not a router, not a NAT device, though you can set it as DHCP Server, you also need to use a router connects to your ISP.

@Aristotle Hi, check this: How to configure 802.1Q VLAN on Easy Smart Switches

@Lowie Hi, it is weird, if you click on the Check for Update icon, what will happen? You can also update the firmware manually here.

@andypandy99 Yes, you can use them but set the Distance value as 1.1 times the actual value.