HP a-msr, Руководство по настройке

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WLAN service configuration
The terms AP and fat AP in this document refer to A-MSR900 and A-MSR20-1X routers with IEEE 802.11b/g
and A-MSR series routers installed with a SIC WLAN module.
WLANs have become very popular because they are easy to set up and maintain. Generally, several APs
can cover a building or an area. Because the servers in the backbone are fixed, a WLAN is not a completely
wireless network.
The WLAN solution allows you to provide the following wireless LAN services to your customers:

WLAN client connectivity to conventional 802.3 LANs

Secured WLAN access with different authentication and encryption methods
 Seamless roaming of WLAN clients in the mobility domain
Basic concepts
Client
A handheld computer or laptop with a wireless NIC can be a WLAN client.
Access point
An AP bridges frames between wireless and wired networks.
Fat AP
A fat AP controls and manages all associated wireless stations and bridges frames between wired and
wireless networks.
SSID
Service set identifier. A client scans all networks at first, and then selects a specific SSID to connect to a
specific wireless network.
Wireless medium
A medium used for transmitting frames between wireless clients. Radio frequency is used as the wireless
medium in the WLAN system.
Wireless client access
A wireless client access process involves three steps: active/passive scanning surrounding wireless services,
authentication, and association, as shown in
Figure 1 .