ZyXEL Communications ZyAIR G-3000, User Manual

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ZyAIR G-3000 User’s Guide
Chapter 1 Getting to Know Your ZyAIR 30
1.2.2.2 Wi-Fi Protected Access
Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i security specification draft.
Key differences between WPA and WEP are user authentication and improved data
encryption.
1.2.2.3 VLAN
A VLAN (Virtual Local Area Network) allows a physical network to be partitioned into
multiple logical networks. Only stations within the same group can talk to each other. Stations
on a logical network can belong to one or more groups. 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.
Configure VLAN (virtual LAN) to extend the wireless logical grouping to the wired network.
A ZyAIR that you configure with the built-in wireless card uses the same
Management
VLAN ID as a ZyAIR configured with a removable wireless card.
1.2.2.4 WDS Functionality
A Distribution System (DS) is a wired connection between two or more APs, while a Wireless
Distribution System (WDS) is a wireless connection. Your ZyAIR supports WDS, providing a
cost-effective solution for wireless network expansion.
Figure 2 WDS Functionality Example
1.2.2.5 802.11b Wireless LAN Standard
The ZyAIR complies with the 802.11b wireless standard.