Allied Telesis AT-S63 - Manual (Page 318)

Chapter 20: Port-based and Tagged VLANs
318 Secton V: Virtual LANs
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 129.
Figure 129. 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.
The switch is only aware of the VIDs of the VLANs on the device and
not those already being used in the network. For example, if you add a
new AT-9400 Series switch to a network where the existing VLANs