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Configuring wlan access, Wlan access overview, Terminology – H3C Technologies H3C MSR 50 User Manual

Page 18: Client access

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Configuring WLAN access

The terms AP and fat AP in this document refer to MSR 900, MSR 930, and MSR 20-1X routers with IEEE

802.11b/g and MSR series routers installed with a SIC WLAN module.

WLAN access overview

A WLAN can provide the following services:

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

Terminology

Client—A handheld computer or laptop with a wireless NIC or a terminal that supports WiFi.

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.

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.

Client access

A wireless client access process involves three steps: active/passive scanning surrounding wireless
services, authentication, and association, as shown in

Figure 1

.

Figure 1 Establishing a client access

This manual is related to the following products: