If in the switch have 2 port, Tag and Untagged are used to give access the VLANs number to work in port 1 or 2. Example: if we create VLAN 1-3, then if want VLAN 1, 3 running to port 1 (VLAN 1 untagged, VLAN 2 tagged, VLAN 3 untagged) and in Port 2 set as (VLAN 1 tagged, VLAN 2 untagged, VLAN 3 tagged)
Networks IPv4
Wireless : 10.x.x.x
Ethernet : 192.168.x.x