User`s guide

Table of Contents
NWA3550 User’s Guide
13
5.1 System Overview ................................................................................................................. 79
5.2 Configuring General Setup ..................................................................................................79
5.3 Administrator Authentication on RADIUS ............................................................................ 80
5.3.1 Configuring the Password .......................................................................................... 80
5.4 Configuring Time Setting .................................................................................................... 82
5.5 Pre-defined NTP Time Servers List ..................................................................................... 84
Chapter 6
Wireless Configuration........................................................................................................... 85
6.1 Wireless Network Overview ................................................................................................. 85
6.2 Wireless LAN Basics ........................................................................................................... 86
6.3 Quality of Service ................................................................................................................ 86
6.3.1 WMM QoS ..................................................................................................................86
6.3.1.1 WMM QoS Priorities ....................................................................... 87
6.3.2 ATC ............................................................................................................................ 87
6.3.3 ATC+WMM ................................................................................................................. 88
6.3.3.1 ATC+WMM from LAN to WLAN ...................................................... 88
6.3.3.2 ATC+WMM from WLAN to LAN ...................................................... 88
6.3.4 Type Of Service (ToS) ................................................................................................ 89
6.3.4.1 DiffServ ........................................................................................... 89
6.3.4.2 DSCP and Per-Hop Behavior ......................................................... 89
6.3.5 ToS (Type of Service) and WMM QoS ....................................................................... 89
6.4 Spanning Tree Protocol (STP) ............................................................................................. 90
6.4.1 Rapid STP .................................................................................................................. 90
6.4.2 STP Terminology ........................................................................................................ 90
6.4.3 How STP Works ......................................................................................................... 91
6.4.4 STP Port States ..........................................................................................................91
6.5 DFS ..................................................................................................................................... 91
6.6 Wireless Screen Overview .................................................................................................. 92
6.7 Configuring Wireless Settings ............................................................................................. 92
6.7.1 Access Point Mode .................................................................................................... 92
6.7.2 Bridge/Repeater Mode ............................................................................................... 94
6.7.3 AP+Bridge Mode ........................................................................................................ 98
6.7.4 MBSSID Mode ........................................................................................................... 99
Chapter 7
Wireless Security Configuration .........................................................................................101
7.1 Wireless Security Overview ............................................................................................... 101
7.1.1 SSID ......................................................................................................................... 101
7.1.2 MAC Address Filter .................................................................................................. 101
7.1.3 User Authentication .................................................................................................. 102
7.1.4 Encryption ................................................................................................................ 102
7.2 Security Modes .................................................................................................................. 103