ZyXEL Communications ZYAIR User manual

ZyAIR
Wireless Gateway Series
User's Guide
Version 3.50
July 2003

ZyAIR Wireless Gateway Series User’s Guide
ii Copyright
Copyright
Copyright © 2003 by ZyXEL Communications Corporation.
The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a
retrieval system, translated into any language, or transmitted in any form or by any means, electronic,
mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written
permission of ZyXEL Communications Corporation.
Published by ZyXEL Communications Corporation. All rights reserved.
Disclaimer
ZyXEL does not assume any liability arising out of the application or use of any products, or software
described herein. Neither does it convey any license under its patent rights nor the patent rights of others.
ZyXEL further reserves the right to make changes in any products described herein without notice. This
publication is subject to change without notice.
Trademarks
ZyNOS (ZyXEL Network Operating System) is a registered trademark of ZyXEL Communications, Inc.
Other trademarks mentioned in this publication are used for identification purposes only and may be
properties of their respective owners.

ZyAIR Wireless Gateway Series User’s Guide
FCC Statement iii
Federal Communications Commission
(FCC) Interference Statement
This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions:
• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause undesired
operations.
This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy, and if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications.
If this equipment does cause harmful interference to radio/television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and the receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
Notice 1
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
Certifications
Refer to the product page at www.zyxel.com.

ZyAIR Wireless Gateway Series User’s Guide
iv ZyXEL Warranty
ZyXEL Limited Warranty
ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials
or workmanship for a period of up to two years from the date of purchase. During the warranty period, and
upon proof of purchase, should the product have indications of failure due to faulty workmanship and/or
materials, ZyXEL will, at its discretion, repair or replace the defective products or components without
charge for either parts or labor, and to whatever extent it shall deem necessary to restore the product or
components to proper operating condition. Any replacement will consist of a new or re-manufactured
functionally equivalent product of equal value, and will be solely at the discretion of ZyXEL. This warranty
shall not apply if the product is modified, misused, tampered with, damaged by an act of God, or subjected
to abnormal working conditions.
Note
Repair or replacement, as provided under this warranty, is the exclusive remedy of the purchaser. This
warranty is in lieu of all other warranties, express or implied, including any implied warranty of
merchantability or fitness for a particular use or purpose. ZyXEL shall in no event be held liable for indirect
or consequential damages of any kind of character to the purchaser.
To obtain the services of this warranty, contact ZyXEL's Service Center for your Return Material
Authorization number (RMA). Products must be returned Postage Prepaid. It is recommended that the unit
be insured when shipped. Any returned products without proof of purchase or those with an out-dated
warranty will be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts
and labor. All repaired or replaced products will be shipped by ZyXEL to the corresponding return address,
Postage Paid. This warranty gives you specific legal rights, and you may also have other rights that vary
from country to country.
Safety Warnings
1. To reduce the risk of fire, use only No. 26 AWG or larger telephone wire.
2. Do not use this product near water, for example, in a wet basement or near a swimming pool.
3. Avoid using this product during an electrical storm. There may be a remote risk of electric shock from
lightening.

ZyAIR Wireless Gateway Series User’s Guide
Customer Support v
Customer Support
Please have the following information ready when you contact customer support.
• Product model and serial number.
• Warranty Information.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
METHOD
LOCATION
E-MAIL
SUPPORT/SALES
TELEPHONE/FAX WEB SITE/ FTP SITE REGULAR MAIL
[email protected]m.tw [phone] www.zyxel.com
www.europe.zyxel.com
WORLDWIDE
[e-mail] [phone] ftp.europe.zyxel.com
ZyXEL Communications Corp.,
6 Innovation Road II, Science-
Based Industrial Park, Hsinchu
300, Taiwan.
[email protected]m [phone] www.us.zyxel.comNORTH
AMERICA
[e-mail] [phone] ftp.zyxel.com
[email protected] [phone] www.zyxel.dkSCANDINAVIA
[e-mail] [phone] ftp.zyxel.dk
ZyXEL Communications A/S,
Columbusvej 5, 2860 Soeborg,
Denmark.
[email protected] [phone] www.zyxel.deGERMANY
[e-mail] [phone]
ZyXEL Deutschland GmbH.
Adenauerstr. 20/A2 D-52146
Wuerselen, Germany

ZyAIR Wireless Gateway Series User’s Guide
vi Table of Contents
Table of Contents
Copyright......................................................................................................................................................... ii
Federal Communications Commission (FCC) Interference Statement.....................................................iii
ZyXEL Limited Warranty ............................................................................................................................ iv
Customer Support........................................................................................................................................... v
List of Figures ............................................................................................................................................... xv
List of Tables ................................................................................................................................................ xxi
Preface ........................................................................................................................................................ xxiv
OVERVIEW.....................................................................................................................................................I
Chapter 1 Getting to Know Your ZyAIR...................................................................................................1-1
1.1 Introducing the ZyAIR Wireless Gateway Series ......................................................................1-1
1.2 ZyAIR Features..........................................................................................................................1-1
1.3 Application for the ZyAIR.........................................................................................................1-6
1.3.1 Internet Access Application ...............................................................................................1-6
Chapter 2 Introducing the Web Configurator ..........................................................................................2-1
2.1 Web Configurator Overview......................................................................................................2-1
2.2 Accessing the ZyAIR Web Configurator...................................................................................2-1
2.3 Resetting the ZyAIR ..................................................................................................................2-2
2.3.1 Procedure to Use the Reset Button.....................................................................................2-2
2.3.2 Uploading a Configuration File via Console Port..............................................................2-3
2.4 Navigating the ZyAIR Web Configurator..................................................................................2-4
Chapter 3 Wizard Setup..............................................................................................................................3-1
3.1 Wizard Setup Overview.............................................................................................................3-1
3.1.1 Channel ..............................................................................................................................3-1
3.1.2 ESS ID ...............................................................................................................................3-1
3.1.3 WEP Encryption ................................................................................................................3-1
3.2 Wizard Setup: General Setup.....................................................................................................3-2
3.3 Wizard Setup: Wireless LAN Setup ..........................................................................................3-3
3.4 Wizard Setup: ISP Parameters ...................................................................................................3-5
3.4.1 Ethernet..............................................................................................................................3-5
3.4.2 PPTP Encapsulation...........................................................................................................3-7
3.4.3 PPPoE Encapsulation.........................................................................................................3-9
3.5 Wizard Setup: WAN and DNS ................................................................................................3-11
3.5.1 WAN IP Address Assignment .........................................................................................3-11
3.5.2 IP Address and Subnet Mask ...........................................................................................3-12
3.5.3 DNS Server Address Assignment ....................................................................................3-12
3.5.4 WAN MAC Address........................................................................................................3-13
3.6 Basic Setup Complete ..............................................................................................................3-15
SYSTEM, LAN AND WIRELESS ............................................................................................................... II
Chapter 4 System Screens ...........................................................................................................................4-1

ZyAIR Wireless Gateway Series User’s Guide
Table of Contents vii
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................................................................................................................4-4
4.6 Configuring Time Setting...........................................................................................................4-5
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.................................................................................................................6-7
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 .................................................................................................................7-1
7.2.2 Authentication ....................................................................................................................7-2
7.3 Configuring WEP Encryption ....................................................................................................7-3
7.4 MAC Filter.................................................................................................................................7-5
7.5 802.1x Overview ........................................................................................................................7-7
7.6 Introduction to RADIUS ............................................................................................................7-7
7.6.1 EAP Authentication Overview...........................................................................................7-8
7.7 Dynamic WEP Key Exchange ...................................................................................................7-9
7.8 Introduction to Local User Database........................................................................................7-10
7.9 Configuring 802.1x ..................................................................................................................7-10
7.10 Configuring Local User Database ............................................................................................7-13

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viii Table of Contents
7.11 Configuring RADIUS ..............................................................................................................7-14
WAN...............................................................................................................................................................III
Chapter 8 WAN Screens..............................................................................................................................8-1
8.1 WAN Overview .........................................................................................................................8-1
8.2 Configuring WAN ISP...............................................................................................................8-1
8.2.1 Ethernet Encapsulation ......................................................................................................8-1
8.2.2 PPPoE Encapsulation.........................................................................................................8-3
8.2.3 PPTP Encapsulation...........................................................................................................8-5
8.3 TCP/IP Priority (Metric) ............................................................................................................8-6
8.4 Configuring WAN IP.................................................................................................................8-7
8.5 Configuring WAN MAC .........................................................................................................8-10
SUA/NAT AND STATIC ROUTE ...............................................................................................................IV
Chapter 9 Single User Account (SUA) / Network Address Translation (NAT).......................................9-1
9.1 NAT Overview ..........................................................................................................................9-1
9.1.1 NAT Definitions ................................................................................................................9-1
9.1.2 What NAT Does ................................................................................................................9-2
9.1.3 How NAT Works...............................................................................................................9-2
9.1.4 NAT Application ...............................................................................................................9-3
9.1.5 NAT Mapping Types .........................................................................................................9-4
9.1.6 SUA (Single User Account) Versus NAT .........................................................................9-5
9.2 SUA Server................................................................................................................................9-5
9.2.1 Port Forwarding: Services and Port Numbers....................................................................9-6
9.2.2 Configuring Servers Behind SUA (Example)....................................................................9-7
9.3 Configuring SUA Server............................................................................................................9-7
9.4 Configuring Address Mapping...................................................................................................9-9
9.4.1 Configuring Address Mapping Rule ................................................................................9-11
Chapter 10 Static Route ............................................................................................................................10-1
10.1 Static Route Overview .............................................................................................................10-1
10.2 Configuring IP Static Route.....................................................................................................10-1
10.2.1 Configuring Route Entry..................................................................................................10-3
FIREWALL AND REMOTE MANAGEMENT ......................................................................................... V
Chapter 11 Introduction to Firewalls....................................................................................................... 11-1
11.1 Firewall Overview ...................................................................................................................11-1
11.2 Types of Firewalls....................................................................................................................11-1
11.2.1 Packet Filtering Firewalls ................................................................................................11-1
11.2.2 Application-level Firewalls..............................................................................................11-1
11.2.3 Stateful Inspection Firewalls............................................................................................11-2
11.3 Introduction to ZyXEL’s Firewall ...........................................................................................11-2
11.4 Denial of Service .....................................................................................................................11-2
11.4.1 Basics...............................................................................................................................11-3
11.4.2 Types of DoS Attacks ......................................................................................................11-4

ZyAIR Wireless Gateway Series User’s Guide
Table of Contents ix
11.5 Stateful Inspection....................................................................................................................11-7
Chapter 12 Firewall Screens .....................................................................................................................12-1
12.1 Access Methods .......................................................................................................................12-1
12.2 Firewall Policies Overview ......................................................................................................12-1
12.3 Rule Logic Overview ...............................................................................................................12-2
12.3.1 Rule Checklist ..................................................................................................................12-2
12.3.2 Security Ramifications .....................................................................................................12-2
12.3.3 Key Fields For Configuring Rules ...................................................................................12-3
12.4 Connection Direction Examples...............................................................................................12-3
12.4.1 LAN to WAN Rules.........................................................................................................12-4
12.4.2 WAN to LAN Rules.........................................................................................................12-4
12.5 Enabling Firewall .....................................................................................................................12-5
12.5.1 Configuring Content Filtering..........................................................................................12-7
12.5.2 Configuring Firewall Services........................................................................................12-10
12.5.3 Predefined Services........................................................................................................12-12
Chapter 13 Remote Management .............................................................................................................13-1
13.1 Remote Management Overview...............................................................................................13-1
13.1.1 Remote Management Limitations ....................................................................................13-1
13.1.2 Remote Management and NAT........................................................................................13-2
13.1.3 System Timeout ...............................................................................................................13-2
13.2 Telnet .......................................................................................................................................13-2
13.3 Configuring TELNET ..............................................................................................................13-3
13.4 Configuring FTP ......................................................................................................................13-4
13.5 Configuring WWW..................................................................................................................13-5
13.6 Configuring SNMP ..................................................................................................................13-6
13.6.1 Supported MIBs ...............................................................................................................13-8
13.6.2 SNMP Traps.....................................................................................................................13-8
13.6.3 REMOTE MANAGEMENT: SNMP...............................................................................13-9
13.7 Configuring DNS ...................................................................................................................13-10
13.8 Configuring Security..............................................................................................................13-11
UPNP AND LOGS........................................................................................................................................ VI
Chapter 14 UPnP Screen ...........................................................................................................................14-1
14.1 Universal Plug and Play Overview ..........................................................................................14-1
14.1.1 How Do I Know If I'm Using UPnP?...............................................................................14-1
14.1.2 NAT Traversal .................................................................................................................14-1
14.1.3 Cautions with UPnP .........................................................................................................14-2
14.2 UPnP and ZyXEL ....................................................................................................................14-2
14.3 Configuring UPnP....................................................................................................................14-2
14.4 Installing UPnP in Windows Example.....................................................................................14-4
14.4.1 Installing UPnP in Windows Me......................................................................................14-4
14.4.2 Installing UPnP in Windows XP ......................................................................................14-5

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x Table of Contents
14.5 Using UPnP in Windows XP Example ....................................................................................14-6
14.5.1 Auto-discover Your UPnP-enabled Network Device ......................................................14-6
14.5.2 Web Configurator Easy Access .......................................................................................14-8
Chapter 15 Logs Screens...........................................................................................................................15-1
15.1 Using the View Log Screen .....................................................................................................15-1
15.2 Configuring Log Settings.........................................................................................................15-3
15.3 Configuring Reports.................................................................................................................15-6
15.3.1 Viewing Protocol/Port .....................................................................................................15-8
15.3.2 Viewing LAN IP Address..............................................................................................15-10
15.3.3 Reports Specifications ...................................................................................................15-11
MAINTENANCE........................................................................................................................................ VII
Chapter 16 Maintenance ...........................................................................................................................16-1
16.1 Maintenance Overview ............................................................................................................16-1
16.2 System Status Screen ...............................................................................................................16-1
16.2.1 System Statistics ..............................................................................................................16-2
16.3 DHCP Table Screen.................................................................................................................16-3
16.4 Wireless Screen........................................................................................................................16-4
16.4.1 Channel Usage .................................................................................................................16-5
16.5 F/W Upload Screen..................................................................................................................16-8
16.6 Configuration Screen .............................................................................................................16-10
16.6.1 Backup Configuration....................................................................................................16-10
16.6.2 Restore Configuration....................................................................................................16-11
16.6.3 Back to Factory Defaults................................................................................................16-13
SMT GETTING STARTED MENUS.......................................................................................................VIII
Chapter 17 Introducing the SMT .............................................................................................................17-1
17.1 Connect to your ZyAIR Using Telnet......................................................................................17-1
17.2 Connect to Your ZyAIR Using the Console Port.....................................................................17-1
17.2.1 Initial Screen ....................................................................................................................17-2
17.2.2 Entering Password ...........................................................................................................17-2
17.3 Changing the System Password ...............................................................................................17-2
17.4 ZyAIR SMT Menu Overview Example...................................................................................17-3
17.5 Navigating the SMT Interface..................................................................................................17-5
17.5.1 System Management Terminal Interface Summary.........................................................17-6
Chapter 18 General and WAN Setup .......................................................................................................18-1
18.1 General Setup...........................................................................................................................18-1
18.1.1 Dynamic DNS..................................................................................................................18-1
18.1.2 Procedure To Configure Menu 1......................................................................................18-1
18.1.3 Procedure to Configure Dynamic DNS............................................................................18-3
18.2 WAN Setup..............................................................................................................................18-5
Chapter 19 LAN Setup ..............................................................................................................................19-1
19.1 LAN Setup ...............................................................................................................................19-1

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Table of Contents xi
19.1.1 General Ethernet Port Filter Setup ...................................................................................19-1
19.2 TCP/IP Ethernet and DHCP Setup...........................................................................................19-2
19.3 IP Alias.....................................................................................................................................19-4
19.3.1 IP Alias Setup...................................................................................................................19-5
19.4 Wireless LAN Setup ................................................................................................................19-6
19.4.1 Configuring MAC Address Filter.....................................................................................19-9
19.4.2 Configuring Roaming on the ZyAIR..............................................................................19-11
Chapter 20 Internet Access .......................................................................................................................20-1
20.1 Internet Access Configuration..................................................................................................20-1
20.2 Internet Access Setup...............................................................................................................20-2
SMT ADVANCED APPLICATION MENUS ............................................................................................ IX
Chapter 21 Remote Node Configuration..................................................................................................21-1
21.1 Remote Node Profile................................................................................................................21-1
21.1.1 Encapsulation Scenarios...................................................................................................21-1
21.1.2 Outgoing Authentication Protocol....................................................................................21-4
21.1.3 Remote Node Setup..........................................................................................................21-4
21.2 Remote Node Filter ..................................................................................................................21-6
21.2.1 IP Static Route Setup........................................................................................................21-7
Chapter 22 Dial-in User Setup ..................................................................................................................22-1
22.1 Dial-in User Setup....................................................................................................................22-1
Chapter 23 Network Address Translation (NAT)....................................................................................23-1
23.1 Introduction..............................................................................................................................23-1
23.1.1 Applying NAT .................................................................................................................23-1
23.2 NAT Setup ...............................................................................................................................23-2
23.2.1 Address Mapping Sets......................................................................................................23-3
23.2.2 Configuring Individual Rule ............................................................................................23-6
23.3 Port Forwarding Setup - NAT Server Sets...............................................................................23-7
23.3.1 Configuring a Server behind NAT ...................................................................................23-8
23.4 General NAT Examples ...........................................................................................................23-9
23.4.1 Example 1: Internet Access Only.....................................................................................23-9
23.4.2 Example 2: Internet Access with an Inside Server .........................................................23-11
23.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .....................................23-12
23.4.4 Example 4: NAT Unfriendly Application Programs......................................................23-15
23.5 Trigger Port Setup ..................................................................................................................23-16
SMT ADVANCED MANAGEMENT MENUS.......................................................................................... XI
Chapter 24 Filter and Firewall Configuration.........................................................................................24-1
24.1 About Filtering.........................................................................................................................24-1
24.2 Configuring a Filter Set............................................................................................................24-3
24.2.1 Filter Rules Summary Menus...........................................................................................24-5
24.3 Configuring a Filter Rule .........................................................................................................24-6
24.3.1 TCP/IP Filter Rule............................................................................................................24-6

ZyAIR Wireless Gateway Series User’s Guide
xii Table of Contents
24.3.2 Generic Filter Rule.........................................................................................................24-11
24.4 Filter Types and NAT ............................................................................................................24-12
24.5 Example Filter........................................................................................................................24-13
24.6 Applying Filters and Factory Defaults...................................................................................24-15
24.6.1 Ethernet Traffic..............................................................................................................24-16
24.6.2 Remote Node Filters ......................................................................................................24-16
24.7 Firewall Setup ........................................................................................................................24-17
Chapter 25 SNMP Configuration .............................................................................................................25-1
25.1 SNMP Configuration ...............................................................................................................25-1
Chapter 26 System Security......................................................................................................................26-1
26.1 System Security .......................................................................................................................26-1
26.1.1 System Password .............................................................................................................26-1
26.1.2 Configuring External RADIUS Server ............................................................................26-1
26.1.3 802.1x ..............................................................................................................................26-3
Chapter 27 System Information and Diagnosis.......................................................................................27-1
27.1 System Status...........................................................................................................................27-1
27.2 System Information..................................................................................................................27-3
27.2.1 System Information..........................................................................................................27-3
27.2.2 Console Port Speed..........................................................................................................27-4
27.3 Log and Trace ..........................................................................................................................27-5
27.3.1 Viewing Error Log...........................................................................................................27-5
27.3.2 UNIX Syslog....................................................................................................................27-6
27.3.3 Call-Triggering Packet.....................................................................................................27-7
27.4 Diagnostic ................................................................................................................................27-7
Chapter 28 Firmware and Configuration File Maintenance .................................................................28-1
28.1 Filename Conventions .............................................................................................................28-1
28.2 Backup Configuration..............................................................................................................28-2
28.2.1 Backup Configuration......................................................................................................28-3
28.2.2 Using the FTP Command from the Command Line ........................................................28-3
28.2.3 Example of FTP Commands from the Command Line....................................................28-4
28.2.4 GUI-based FTP Clients....................................................................................................28-4
28.2.5 TFTP and FTP over WAN Will Not Work When ...........................................................28-4
28.2.6 Backup Configuration Using TFTP .................................................................................28-5
28.2.7 TFTP Command Example ...............................................................................................28-5
28.2.8 GUI-based TFTP Clients .................................................................................................28-5
28.2.9 Backup Via Console Port (only for ZyAIR B-2000) .......................................................28-6
28.3 Restore Configuration..............................................................................................................28-7
28.3.1 Restore Using FTP...........................................................................................................28-8
28.3.2 Restore Using FTP Session Example...............................................................................28-9
28.3.3 Restore Via Console Port (only for ZyAIR B-2000) .......................................................28-9
28.4 Uploading Firmware and Configuration Files .......................................................................28-10

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Table of Contents xiii
28.4.1 Firmware File Upload ....................................................................................................28-10
28.4.2 Configuration File Upload .............................................................................................28-11
28.4.3 FTP File Upload Command from the DOS Prompt Example ........................................28-12
28.4.4 FTP Session Example of Firmware File Upload............................................................28-12
28.4.5 TFTP File Upload ..........................................................................................................28-12
28.4.6 TFTP Upload Command Example .................................................................................28-13
28.4.7 Uploading Via Console Port (only for ZyAIR B-2000) .................................................28-13
28.4.8 Uploading Firmware File Via Console Port (only for ZyAIR B-2000) .........................28-14
28.4.9 Example Xmodem Firmware Upload Using HyperTerminal.........................................28-14
28.4.10 Uploading Configuration File Via Console Port (only for ZyAIR B-2000)...................28-15
28.4.11 Example Xmodem Configuration Upload Using HyperTerminal..................................28-15
Chapter 29 System Maintenance and SMT Menu 24.8 to 24.10 ...........................................................29-1
29.1 Command Interpreter Mode.....................................................................................................29-1
29.2 Call Control Support ................................................................................................................29-2
29.2.1 Budget Management ........................................................................................................29-2
29.2.2 Call History ......................................................................................................................29-3
29.3 Time and Date Setting..............................................................................................................29-4
29.3.1 Resetting the Time ...........................................................................................................29-5
Chapter 30 Remote Management .............................................................................................................30-1
30.1 Telnet .......................................................................................................................................30-1
30.2 FTP...........................................................................................................................................30-1
30.3 Web ..........................................................................................................................................30-1
30.4 Remote Management ...............................................................................................................30-1
30.4.1 Remote Management Setup..............................................................................................30-2
30.4.2 Remote Management Limitations ....................................................................................30-3
30.5 Remote Management and NAT................................................................................................30-4
30.6 System Timeout .......................................................................................................................30-4
Chapter 31 Call Scheduling.......................................................................................................................31-1
31.1 Introduction..............................................................................................................................31-1
APPENDICES .............................................................................................................................................. XI
Appendix A Troubleshooting......................................................................................................................A-1
Problems Starting Up the ZyAIR .........................................................................................................A-1
Problems with the Password.................................................................................................................A-1
Problems with the Ethernet Interface ...................................................................................................A-2
Problems with the WAN Interface .......................................................................................................A-2
Problems with Internet Access .............................................................................................................A-3
Problems with Telnet ...........................................................................................................................A-3
Problems with the WLAN Interface.....................................................................................................A-4
Appendix B Brute-Force Password Guessing Protection ........................................................................B-1
Appendix C Setting up Your Computer’s IP Address ..............................................................................C-1
Appendix D Wireless LAN and IEEE 802.11............................................................................................D-1

ZyAIR Wireless Gateway Series User’s Guide
xiv Table of
Contents
Appendix E Wireless LAN With IEEE 802.1x ......................................................................................... E-1
Appendix F Types of EAP Authentication ................................................................................................ F-1
Appendix G Antenna Selection and Positioning Recommendation ........................................................G-1
Appendix H PPPoE.....................................................................................................................................H-1
Appendix I PPTP ......................................................................................................................................... I-1
Appendix J IP Subnetting ...........................................................................................................................J-1
Appendix K Command Interpreter...........................................................................................................K-1
Appendix L NetBIOS Filter Commands ................................................................................................... L-1
Appendix M Boot Commands .................................................................................................................. M-1
Appendix N Log Descriptions.................................................................................................................... N-1
Appendix O Power Adaptor Specifications ..............................................................................................O-1
Appendix P Index........................................................................................................................................ P-1

ZyAIR Wireless Gateway Series User’s Guide
List of Figures xv
List of Figures
Figure 1-1 Internet Access Application Example........................................................................................... 1-7
Figure 2-1 Web Browser Address Field ......................................................................................................... 2-1
Figure 2-2 Change Password Screen.............................................................................................................. 2-2
Figure 2-3 Example Xmodem Upload ........................................................................................................... 2-3
Figure 2-4 The MAIN MENU Screen of the Web Configurator.................................................................... 2-4
Figure 3-1 Wizard 1: General Setup............................................................................................................... 3-2
Figure 3-2 Wizard 2: Wireless LAN Setup .................................................................................................... 3-4
Figure 3-3 Wizard 3: Ethernet Encapsulation ................................................................................................ 3-6
Figure 3-4 Wizard 3: PPTP Encapsulation..................................................................................................... 3-8
Figure 3-5 Wizard 3: PPPoE Encapsulation................................................................................................. 3-10
Figure 3-6 Wizard 4: WAN and DNS........................................................................................................... 3-14
Figure 3-7 Setup Complete .......................................................................................................................... 3-16
Figure 4-1 System General Setup .................................................................................................................. 4-1
Figure 4-2 DDNS........................................................................................................................................... 4-3
Figure 4-3 Password....................................................................................................................................... 4-5
Figure 4-4 Time Setting ................................................................................................................................. 4-6
Figure 5-1 LAN & WAN IPs ......................................................................................................................... 5-1
Figure 5-2 IP .................................................................................................................................................. 5-4
Figure 6-1 IBSS (Ad-hoc) Wireless LAN...................................................................................................... 6-1
Figure 6-2 Basic Service set........................................................................................................................... 6-2
Figure 6-3 Extended Service Set.................................................................................................................... 6-3
Figure 6-4 RTS/CTS ...................................................................................................................................... 6-4
Figure 6-5 Wireless ........................................................................................................................................ 6-6
Figure 6-6 Roaming Example ........................................................................................................................ 6-8
Figure 6-7 Roaming ....................................................................................................................................... 6-9
Figure 7-1 ZyAIR Wireless Security Levels .................................................................................................. 7-1
Figure 7-2 WEP Authentication Steps............................................................................................................ 7-2
Figure 7-3 Wireless ........................................................................................................................................ 7-3
Figure 7-4 MAC Address Filter ..................................................................................................................... 7-6
Figure 7-5 EAP Authentication...................................................................................................................... 7-9
Figure 7-6 Wireless LAN: 802.1x................................................................................................................ 7-10
Figure 7-7 Local User Database................................................................................................................... 7-13
Figure 7-8 RADIUS..................................................................................................................................... 7-14
Figure 8-1 Ethernet Encapsulation.................................................................................................................... 8-1
Figure 8-2 Service Type .................................................................................................................................. 8-2
Figure 8-3 PPPoE Encapsulation...................................................................................................................... 8-4
Figure 8-4 PPTP Encapsulation ........................................................................................................................ 8-5
Figure 8-5 IP Setup.......................................................................................................................................... 8-7
Figure 8-6 MAC Setup .................................................................................................................................. 8-10

ZyAIR Wireless Gateway Series User’s Guide
xvi List of Figures
Figure 9-1 How NAT Works...........................................................................................................................9-3
Figure 9-2 NAT Application with IP Alias......................................................................................................9-4
Figure 9-3 Multiple Servers Behind NAT Example........................................................................................9-7
Figure 9-4 SUA/NAT Setup............................................................................................................................9-8
Figure 9-5 Address Mapping ........................................................................................................................9-10
Figure 9-6 Address Mapping Rule................................................................................................................9-11
Figure 10-1 Example of Static Routing Topology ........................................................................................10-1
Figure 10-2 IP Static Route Summary ..........................................................................................................10-2
Figure 10-3 Edit IP Static Route ...................................................................................................................10-3
Figure 11-1 ZyAIR Firewall Application......................................................................................................11-3
Figure 11-2 Three-Way Handshake ..............................................................................................................11-5
Figure 11-3 SYN Flood ................................................................................................................................11-5
Figure 11-4 Smurf Attack .............................................................................................................................11-6
Figure 11-5 Stateful Inspection.....................................................................................................................11-8
Figure 12-1 LAN to WAN Traffic.................................................................................................................12-4
Figure 12-2 WAN to LAN Traffic.................................................................................................................12-5
Figure 12-3 Firewall Settings .......................................................................................................................12-6
Figure 12-4 Firewall Filter............................................................................................................................12-8
Figure 12-5 Firewall Services.....................................................................................................................12-10
Figure 13-1 Telnet Configuration on a TCP/IP Network ..............................................................................13-2
Figure 13-2 Telnet.........................................................................................................................................13-3
Figure 13-3 FTP............................................................................................................................................13-4
Figure 13-4 WWW .......................................................................................................................................13-5
Figure 13-5 SNMP Management Model.......................................................................................................13-7
Figure 13-6 SNMP........................................................................................................................................13-9
Figure 13-7 DNS.........................................................................................................................................13-11
Figure 13-8 Security ...................................................................................................................................13-12
Figure 14-1 Configuring UPnP.....................................................................................................................14-3
Figure 15-1 View Log...................................................................................................................................15-2
Figure 15-2 Log Settings ..............................................................................................................................15-4
Figure 15-3 Reports ......................................................................................................................................15-7
Figure 15-4 Protocol/Port Report..................................................................................................................15-9
Figure 15-5 LAN IP Address Report ..........................................................................................................15-10
Figure 16-1 System Status ............................................................................................................................16-1
Figure 16-2 System Status: Show Statistics..................................................................................................16-2
Figure 16-3 DHCP Table ..............................................................................................................................16-4
Figure 16-4 Association List.........................................................................................................................16-5
Figure 16-5 Channel Usage (ZyAIR B-2000)...............................................................................................16-6
Figure 16-6 Channel Usage ..........................................................................................................................16-7
Figure 16-7 Firmware Upgrade ....................................................................................................................16-8
Figure 16-8 Firmware Upload In Process.....................................................................................................16-9

ZyAIR Wireless Gateway Series User’s Guide
List of Figures xvii
Figure 16-9 Network Temporarily Disconnected......................................................................................... 16-9
Figure 16-10 Firmware Upload Error ........................................................................................................ 16-10
Figure 16-11 Backup Configuration............................................................................................................16-11
Figure 16-12 Restore Configuration ...........................................................................................................16-11
Figure 16-13 Configuration Upload Successful......................................................................................... 16-12
Figure 16-14 Network Temporarily Disconnected..................................................................................... 16-12
Figure 16-15 Configuration Upload Error ................................................................................................. 16-13
Figure 16-16 Back to Factory Default........................................................................................................ 16-13
Figure 16-17 Reset Warning Message........................................................................................................ 16-14
Figure 17-1 Consol Port Power-On Display ................................................................................................ 17-2
Figure 17-2 Login Screen ............................................................................................................................ 17-2
Figure 17-3 Menu 23.1 System Security : Change Password ...................................................................... 17-3
Figure 17-4 ZyAIR B-2000 v.2 SMT Menu Overview Example................................................................. 17-4
Figure 17-5 ZyAIR B-2000 v.2 SMT Main Menu ....................................................................................... 17-6
Figure 18-1 Menu 1 General Setup.............................................................................................................. 18-2
Figure 18-2 Menu 1.1 Configure Dynamic DNS ......................................................................................... 18-3
Figure 18-3 Menu 2 WAN Setup.................................................................................................................. 18-5
Figure 19-1 Menu 3 LAN Setup .................................................................................................................. 19-1
Figure 19-2 Menu 3.1 LAN Port Filter Setup .............................................................................................. 19-1
Figure 19-3 Menu 3.2 TCP/IP and DHCP Ethernet Setup ........................................................................... 19-2
Figure 19-4 Physical Network ..................................................................................................................... 19-4
Figure 19-5 Partitioned Logical Networks................................................................................................... 19-4
Figure 19-6 Menu 3.2 TCP/IP and DHCP Ethernet Setup ........................................................................... 19-5
Figure 19-7 Menu 3.2.1 IP Alias Setup ........................................................................................................ 19-5
Figure 19-8 Menu 3.5 Wireless LAN Setup................................................................................................. 19-7
Figure 19-9 Menu 3.5 Wireless LAN Setup................................................................................................. 19-9
Figure 19-10 Menu 3.5.1 WLAN MAC Address Filter ............................................................................. 19-10
Figure 19-11 Menu 3.5 Wireless LAN Setup..............................................................................................19-11
Figure 19-12 Menu 3.5.2 Roaming Configuration......................................................................................19-11
Figure 20-1 Menu 4 Internet Access Setup .................................................................................................. 20-2
Figure 21-1 Menu 11.1 Remote Node Profile.............................................................................................. 21-2
Figure 21-2 Menu 11.3 Remote Node Network Layer Options ................................................................... 21-5
Figure 21-3 Menu 11.5 Remote Node Filter (Ethernet Encapsulation )....................................................... 21-7
Figure 21-4 Menu 11.5 Remote Node Filter (PPTP or PPPoE Encapsulation)............................................ 21-7
Figure 21-5 Menu 12.1 IP Static Route Setup.............................................................................................. 21-8
Figure 21-6 Menu 12.1 Edit IP Static Route ................................................................................................ 21-8
Figure 22-1 Menu 14 Dial-in User Setup..................................................................................................... 22-1
Figure 22-2 Menu 14.1 Edit Dial-in User .................................................................................................... 22-1
Figure 23-1 Menu 4 Internet Access Setup .................................................................................................. 23-1
Figure 23-2 Menu 11.3 Remote Node Network Layer Options ................................................................... 23-2
Figure 23-3 Menu 15 NAT Setup................................................................................................................. 23-3

ZyAIR Wireless Gateway Series User’s Guide
xviii List of Figures
Figure 23-4 Menu 15.1 Address Mapping Sets.............................................................................................23-3
Figure 23-5 Menu 15.1.255 SUA Address Mapping Rules ..........................................................................23-4
Figure 23-6 Menu 15.1.1 Address Mapping Rules .......................................................................................23-5
Figure 23-7 Menu 15.1.1.1 Address Mapping Rule......................................................................................23-6
Figure 23-8 Menu 15.2 Port Forwarding Setup ............................................................................................23-9
Figure 23-9 NAT Example 1.......................................................................................................................23-10
Figure 23-10 Menu 4 Internet Access Setup...............................................................................................23-10
Figure 23-11 NAT Example 2.....................................................................................................................23-11
Figure 23-12 Menu 15.2.1 NAT Server Setup ............................................................................................23-11
Figure 23-13 NAT Example 3.....................................................................................................................23-12
Figure 23-14 Menu 11.3 Remote Node Network Layer Options................................................................23-13
Figure 23-15 Menu 15.1.1.1 Address Mapping Rule..................................................................................23-13
Figure 23-16 Menu 15.1.1 Address Mapping Rules ...................................................................................23-14
Figure 23-17 NAT Example 4.....................................................................................................................23-15
Figure 23-18 Menu 15.1.1.1 Address Mapping Rule..................................................................................23-15
Figure 23-19 Menu 15.1.1 Address Mapping Rules ...................................................................................23-16
Figure 23-20 Trigger Port Forwarding Process: Example ..........................................................................23-16
Figure 23-21 Menu 15.3 Trigger Port Setup...............................................................................................23-17
Figure 24-1 Outgoing Packet Filtering Process ............................................................................................24-1
Figure 24-2 Filter Rule Process ....................................................................................................................24-2
Figure 24-3 Menu 21.1 Filter Set Configuration ..........................................................................................24-3
Figure 24-4 NetBIOS_WAN Filter Rules Summary.....................................................................................24-4
Figure 24-5 NetBIOS_LAN Filter Rules Summary......................................................................................24-4
Figure 24-6 TEL_FTP_WEB_WAN Filter Rules Summary.........................................................................24-4
Figure 24-7 Menu 21.1.1 TCP/IP Filter Rule................................................................................................24-7
Figure 24-8 Executing an IP Filter..............................................................................................................24-10
Figure 24-9 Menu 21.1.4.1 Generic Filter Rule..........................................................................................24-11
Figure 24-10 Protocol and Device Filter Sets.............................................................................................24-13
Figure 24-11 Sample Telnet Filter ..............................................................................................................24-13
Figure 24-12 Sample Filter - Menu 21.1.3.1...............................................................................................24-14
Figure 24-13 Sample Filter Rules Summary - Menu 21.1.3 .......................................................................24-15
Figure 24-14 Filtering Ethernet Traffic.......................................................................................................24-16
Figure 24-15 Filtering Remote Node Traffic ..............................................................................................24-16
Figure 25-1 Menu 22 SNMP Configuration .................................................................................................25-1
Figure 26-1 Menu 23 System Security .........................................................................................................26-1
Figure 26-2 Menu 23 System Security .........................................................................................................26-1
Figure 26-3 Menu 23.2 System Security : RADIUS Server .........................................................................26-2
Figure 26-4 Menu 23 System Security .........................................................................................................26-3
Figure 26-5 Menu 23.4 System Security : IEEE802.1x................................................................................26-4
Figure 27-1 Menu 24 System Maintenance ..................................................................................................27-1
Figure 27-2 Menu 24.1 System Maintenance : Status ..................................................................................27-2

ZyAIR Wireless Gateway Series User’s Guide
List of Figures xix
Figure 27-3 Menu 24.2 System Information and Console Port Speed......................................................... 27-3
Figure 27-4 Menu 24.2.1 System Maintenance : Information ..................................................................... 27-3
Figure 27-5 Menu 24.2.2 System Maintenance : Change Console Port Speed............................................ 27-4
Figure 27-6 Menu 24.3 System Maintenance : Log and Trace .................................................................... 27-5
Figure 27-7 Sample Error and Information Messages ................................................................................. 27-5
Figure 27-8 Menu 24.3.2 System Maintenance : UNIX Syslog................................................................... 27-6
Figure 27-9 Menu 24.4 System Maintenance : Diagnostic .......................................................................... 27-7
Figure 28-1 Telnet in Menu 24.5.................................................................................................................. 28-3
Figure 28-2 FTP Session Example............................................................................................................... 28-4
Figure 28-3 System Maintenance : Backup Configuration .......................................................................... 28-6
Figure 28-4 System Maintenance : Starting Xmodem Download Screen.................................................... 28-6
Figure 28-5 Backup Configuration Example ............................................................................................... 28-7
Figure 28-6 Successful Backup Confirmation Screen.................................................................................. 28-7
Figure 28-7 Telnet into Menu 24.6............................................................................................................... 28-8
Figure 28-8 Restore Using FTP Session Example ....................................................................................... 28-9
Figure 28-9 System Maintenance : Restore Configuration ..........................................................................28-9
Figure 28-10 System Maintenance : Starting Xmodem Download Screen.................................................. 28-9
Figure 28-11 Restore Configuration Example ........................................................................................... 28-10
Figure 28-12 Successful Restoration Confirmation Screen ....................................................................... 28-10
Figure 28-13 Telnet Into Menu 24.7.1 Upload System Firmware...............................................................28-11
Figure 28-14 Telnet Into Menu 24.7.2 System Maintenance ......................................................................28-11
Figure 28-15 FTP Session Example of Firmware File Upload .................................................................. 28-12
Figure 28-16 Menu 24.7.1 as seen using the Console Port ........................................................................ 28-14
Figure 28-17 Example Xmodem Upload ................................................................................................... 28-14
Figure 28-18 Menu 24.7.2 as seen using the Console Port ........................................................................ 28-15
Figure 28-19 Example Xmodem Upload ................................................................................................... 28-16
Figure 29-1 Menu 24 System Maintenance ................................................................................................. 29-1
Figure 29-2 Valid CI Commands ................................................................................................................. 29-1
Figure 29-3 Menu24.9 System Maintenance : Call Control......................................................................... 29-2
Figure 29-4 Menu 24.9.1 Budget Management ........................................................................................... 29-2
Figure 29-5 Menu 24.9.2 Call History ......................................................................................................... 29-3
Figure 29-6 Menu 24.10 System Maintenance : Time and Date Setting...................................................... 29-4
Figure 30-1 Telnet Configuration on a TCP/IP Network ............................................................................. 30-1
Figure 30-2 Menu 24.11 Remote Management Control............................................................................... 30-2
Figure 31-1 Menu 26 Schedule Setup.......................................................................................................... 31-1
Figure 31-2 Menu 26.1 Schedule Set Setup................................................................................................. 31-2
Figure 31-3 Applying Schedule Set(s) to a Remote Node (PPTP)............................................................... 31-4