VLANs in transparent mode

A VLAN configured on a physical port is used to classify a packet in a broadcast domain in ingress and to tag packet in egress. A VLAN on the FortiGate conforms to the standard 802.1q. The following rules apply to VLAN configuration:

• a VLAN ID can be used only once on the same physical port
• the same VLAN ID can be used on a different port
• the VLAN ID range is from 1 to 4094