3.2.2 VLAN
VLAN (Virtual LAN) is a logical network under a certain switch or router device to group client hosts with a specific VLAN ID.
The NTC-400 Series Router supports both Port-based VLAN and Tag-based VLAN. These functions allow you to divide the local
network into different “virtual LANs”.
3.2.2.1 Port-based VLAN
The Port-based VLAN function groups Ethernet ports (Port-1 to Port-4) and WiFi Virtual Access Points (VAP-1 - VAP-8)
together for differentiated services like Internet access, multimedia and VoIP services. There are two operation modes, NAT
and Bridge, which can be applied to each VLAN group. One DHCP server can be allocated to a NAT VLAN group to allow group
host members to get their IP addresses. Thus, each host can access the Internet via the NAT mechanism. In bridge mode,
Intranet packet flow is delivered out of the WAN trunk port with VLAN tags to upper links for different services.
Figure 82 – Port-based VLAN
A port-based VLAN is a group of ports on an Ethernet or Virtual APs on a wired or wireless gateway that form a logical LAN
segment. For example, in a company where the administrator has created 3 network segments; Lobby/Meeting Room,
Office, and Data Centre, the administrator can configure the Lobby/Meeting Room segment with VLAN ID 3. The VLAN group
includes Port-3 and VAP-8 (SSID: Guest) with NAT mode and DHCP-3 server equipped. They may also configure the Office
segment with VLAN ID 2. The VLAN group includes Port-2 and VAP-1 (SSID: Staff) with NAT mode and DHCP-2 server
equipped. The administrator may also configure Data Centre segment with VLAN ID 1.
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