Comnet CWGE2FE24MODMS, Installation And Operation Manual

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VLAN configuration
A Virtual Local Area Network (VLAN) is a logical network grouping that limits the
broadcast domain that would allow you to isolate network traffic, so only the members of
the VLAN will receive traffic from the members of the same VLAN. Basically, creating a
VLAN from a switch is the logical equivalent of reconnecting a group of network devices to
another Layer 2 switch. However, all the network devices are still plugged into the same
switch physically.
The industrial switch supports port-based and 802.1Q (tagged-based) VLAN. The default
configuration of VLAN operation mode is “ Disable ”.
VLAN Configuration interface
VLAN configuration - 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 is enabled, the
VLAN-tagging is ignored.
In order for an end station to send packets to different VLAN groups, it has to be either
capable of tagging the packets it sends with VLAN tags or attaches it to a VLAN-aware
bridge that is capable of classifying and tagging the packet with a different VLAN ID based
on not only default PVID but also other information about the packet, such as the protocol.