Zyxel-communications Internet Security Gateway 10~100 Series Manuel d'utilisateur télécharger pdf (Page 37)

ZyWALL 10~100 Series Internet Security Gateway

Wireless LAN and IEEE 802.11 4-3

Diagram 4-1 Peer-to-Peer Communication in an Ad-hoc Network

Infrastructure Wireless LAN Configuration

For Infrastructure WLANs, multiple Access Points (APs) link the WLAN to the wired network and allow

users to efficiently share network resources. The Access Points not only provide communication with the

wired network but also mediate wireless network traffic in the immediate neighborhood. Multiple Access

Points can provide wireless coverage for an entire building or campus. All communications between stations

or between a station and a wired network client go through the Access Point.

The Extended Service Set (ESS) shown in the next figure consists of a series of overlapping BSSs (each

containing an Access Point) connected together by means of a Distribution System (DS). Although the DS

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Zyxel-communications Internet Security Gateway 10~100 Series Manuel d'utilisateur Page 37