American Fibertek SM9p - Manual (Page 146)

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VLAN configuration
A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast domain. It
allows you to isolate network traffic so only members of the VLAN receive traffic from the
same VLAN members. Basically, creating a VLAN from a switch is logically equivalent of
reconnecting a group of network devices to another Layer 2 switch. However, all the
network devices are still plug into the same switch physically.
The switch supports port-based, 802.1Q (tagged-based) and protocol-base VLAN in web
management page. In the default configuration, VLAN support is “disable”.
VLAN Configuration interface
Port-based VLAN
Packets can go among only members of the same VLAN group. Note all unselected ports
are treated as belonging to another single VLAN. If the port-based VLAN enabled, the
VLAN-tagging is ignored.
In order for an end station to send packets to different VLANs, it itself has to be either