ZyXEL Communications G-3000H Manuel D’Utilisation

G-3000H User’s Guide

Chapter 9 VLAN

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This chapter discusses how to configure VLAN on the ZyAIR.

A VLAN (Virtual Local Area Network) allows a physical network to be partitioned into 
multiple logical networks. Stations on a logical network can belong to one or more groups. 
Only stations within the same group can talk to each other.

The ZyAIR supports 802.1q VLAN tagging. Tagged VLAN uses an explicit tag (VLAN ID) in 
the MAC header of a frame to identify VLAN membership. The ZyAIR can identify VLAN 
tags for incoming Ethernet frames and add VLAN tags to outgoing Ethernet frames. 

The Management VLAN ID identifies the “management VLAN”. A device must be a member 
of this “management VLAN” in order to access and manage the ZyAIR. If a device is not a 
member of this VLAN, then that device cannot manage the ZyAIR. 

If no devices are in the management VLAN, then no one will be able to access the ZyAIR and 
you will have to restore the default configuration file.

The ZyAIR supports IEEE 802.1q VLAN tagging. Tagged VLAN uses an explicit tag (VLAN 
ID) in the MAC header of a frame to identify VLAN membership. The ZyAIR can identify 
VLAN tags for incoming Ethernet frames and add VLAN tags to outgoing Ethernet frames.

Note: You must connect the ZyAIR to a VLAN-aware device that is a member in the 
management VLAN in order to perform management. See the Configuring 
Management VLAN Example BEFORE you configure the VLAN screen.

Click ADVANCED and then VLAN. The screen appears as shown next.