[OpenWrt Wiki] NETGEAR GS108T v3
https://openwrt.org/toh/netgear/gs108t_v309.11.2021 · OpenWrt configures the switch by default with a management VLAN ID 100 on the LAN, so be sure to set up your client with VLAN 100 to be able to connect to the switch. If you would like a 'clean' /etc/config/network without VLANs (replace macaddr values by your own!), you can start with the configuration below.