Allied Telesis AT 8000/8POE - Manual (Page 113)

AT-S81 Management Software User’s Guide
Section I: Using the Menus Interface 113
VLANs can be used to control the flow of data in your network, since the
traffic generated by an end-node in a VLAN is restricted to the other end-
nodes in the same VLAN. In addition, VLANs can prevent data from
flowing to unauthorized end-nodes