Allied Telesis AT-S39 - Manual (Page 280)

Section III: Web Browser Management
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4. Click Add. The Add VLAN menu in Figure 90 is displayed.
Figure 90 Add VLAN Menu
5. Select the Name field and enter a name for the new VLAN.
The name can be from one to 10 characters in length. The name
should reflect the function of the nodes of the VLAN (for example,
Sales or Accounting). The name can contain spaces but not special
characters, such as asterisks (*) or exclamation points (!).
If the VLAN will be unique in your network, the name should be
unique as well. If the VLAN will be part of a larger VLAN that spans
multiple switches, the name for the VLAN should be the same on each
switch where nodes of the VLAN are connected.
Note
A VLAN must be assigned a name.
6. Select the VID field and enter a VID value for the new VLAN. The range
of the VID value is 2 to 4096. The default will be the next available VID
number on the switch.
If this will be a unique VLAN in your network, its VID must be unique
as well. If the VLAN will be part of a larger VLAN that spans multiple
switches, its VID value should be the same on each switch. For