ZyXEL g-2000 plusv2 Guia Do Utilizador

ZyXEL

ZyXEL G-2000 Plus v2 User’s Guide

22

Table of Contents

Case A: The ZyXEL device is using the same LAN and WAN IP addresses......... 381
Case B: The ZyXEL device LAN IP address conflicts with the DHCP client IP address

Case C: The Subscriber IP address is the same as the IP address of a network device

Case D: Two or more subscribers have the same IP address. .............................. 382

Appendix E
IP Subnetting ........................................................................................................ 385

IP Addressing......................................................................................................... 385
IP Classes .............................................................................................................. 385
Subnet Masks ........................................................................................................ 386
Subnetting .............................................................................................................. 386
Example: Two Subnets .......................................................................................... 387
Example: Four Subnets.......................................................................................... 389
Example Eight Subnets.......................................................................................... 390
Subnetting With Class A and Class B Networks. ................................................... 391

Appendix F
Command Interpreter........................................................................................... 393

Command Syntax................................................................................................... 393
Command Usage ................................................................................................... 393

Appendix G
Log Descriptions.................................................................................................. 395

Log Commands...................................................................................................... 396
Log Command Example......................................................................................... 398

Appendix H
Wireless LAN and IEEE 802.11 ........................................................................... 399

Benefits of a Wireless LAN .................................................................................... 399
Wireless LAN Basics.............................................................................................. 402
Fragmentation Threshold ....................................................................................... 403
IEEE 802.11 ........................................................................................................... 404

Appendix I
Wireless LAN Security......................................................................................... 405

IEEE 802.11g Wireless LAN .................................................................................. 405
IEEE 802.1x ........................................................................................................... 405
RADIUS.................................................................................................................. 406
Types of Authentication.......................................................................................... 407
WEP Authentication ............................................................................................... 408