Allied Telesis AT-S63 - Manual (Page 348)

Chapter 21: Port-based and Tagged VLANs
348 Secton V: Virtual LANs
assigned as an untagged port. In these situations, the Configured
and Actual port lists can differ, with the Actual list detailing the
ports that are currently functioning as untagged ports of the VLAN.
For example, if a particular port is listed as a Configured member
of a VLAN, but not as an Actual member, that would mean either
the port is currently a part of a Guest VLAN or the supplicant who
logged on the port was associated with a VLAN assignment on the
authentication server.
4. To add a new VLAN, click Add.
The Add New VLAN page is shown in Figure 142.
Figure 142. Add New VLAN Page
5. Configure the following parameters as necessary.
VID
Enter a VID value for the new VLAN. The range of the VID value is 2 to
4096. The default is the next available VID number on the switch.
If this VLAN is unique in your network, then its VID should also be
unique. If this VLAN is part of a larger VLAN that spans multiple
switches, then the VID value for the VLAN should be the same on
each switch. For example, if you are creating a VLAN called Sales that
spans three switches, you should assign the Sales VLAN on each
switch the same VID value.
Note
A VLAN must have a VID.