ZyXEL Communications Wireless Gateway Series User Manual

Page of 420
 ZyAIR Wireless Gateway Series User’s Guide 
viii                                                                                                                            Table of Contents 
4.1
 
System Overview.......................................................................................................................4-1
 
4.2
 
Configuring General Setup ........................................................................................................4-1
 
4.3
 
Dynamic DNS............................................................................................................................4-2
 
4.3.1
 
DYNDNS Wildcard ...........................................................................................................4-3
 
4.4
 
Configuring Dynamic DNS .......................................................................................................4-3
 
4.5
 
Configuring Password................................................................................................................4-5
 
4.6
 
Configuring Time Setting ..........................................................................................................4-6
 
Chapter 5 LAN Screens...............................................................................................................................5-1
 
5.1
 
LAN Overview ..........................................................................................................................5-1
 
5.2
 
LANs and WANs.......................................................................................................................5-1
 
5.2.1
 
LANs, WANs and the ZyAIR............................................................................................5-1
 
5.3
 
DHCP Setup...............................................................................................................................5-2
 
5.4
 
Factory LAN Defaults................................................................................................................5-2
 
5.5
 
RIP Setup ...................................................................................................................................5-2
 
5.6
 
Multicast ....................................................................................................................................5-3
 
5.7
 
Configuring the LAN IP Screens ...............................................................................................5-3
 
Chapter 6 Wireless Configuration and Roaming......................................................................................6-1
 
6.1
 
Wireless LAN Overview............................................................................................................6-1
 
6.1.1
 
IBSS...................................................................................................................................6-1
 
6.1.2
 
BSS ....................................................................................................................................6-1
 
6.1.3
 
ESS ....................................................................................................................................6-2
 
6.2
 
Wireless LAN Basics.................................................................................................................6-3
 
6.2.1
 
RTS/CTS............................................................................................................................6-3
 
6.2.2
 
Fragmentation Threshold ...................................................................................................6-4
 
6.3
 
Configuring Wireless .................................................................................................................6-5
 
6.4
 
Configuring Roaming ................................................................................................................6-8
 
6.4.1
 
Requirements for Roaming ................................................................................................6-9
 
Chapter 7 Wireless Security........................................................................................................................7-1
 
7.1
 
Wireless Security Overview.......................................................................................................7-1
 
7.2
 
WEP Overview ..........................................................................................................................7-1
 
7.2.1
 
Data Encryption .................................................................................................................7-2
 
7.2.2
 
Authentication....................................................................................................................7-2
 
7.3
 
Configuring WEP Encryption....................................................................................................7-3
 
7.4
 
MAC Filter.................................................................................................................................7-6
 
7.5
 
802.1x Overview........................................................................................................................7-8
 
7.6
 
Dynamic WEP Key Exchange ...................................................................................................7-8
 
7.7
 
Introduction to WPA..................................................................................................................7-9
 
7.7.1
 
User Authentication ...........................................................................................................7-9
 
7.7.2
 
Encryption..........................................................................................................................7-9
 
7.8
 
WPA-PSK Application Example ...............................................................................................7-9
 
7.9
 
WPA with RADIUS Application Example..............................................................................7-10