ZyXEL Communications P-793H User Manual
P-793H
G.SHDSL.bis 4-port Security Gateway
User’s Guide
Version 3.40
1/2007
Edition 2
www.zyxel.com
About This User's Guide
About This User's Guide
Intended Audience
This manual is intended for people who want to configure the ZyXEL Device using the web
configurator. You should have at least a basic knowledge of TCP/IP networking concepts and
topology.
Related Documentation
• Quick Start Guide
The Quick Start Guide is designed to help you get up and running right away. It contains
information on setting up your network and configuring for Internet access.
• Web Configurator Online Help
Embedded web help for descriptions of individual screens and supplementary
information.
" It is recommended you use the web configurator to configure the ZyXEL
Device.
• Supporting Disk
Refer to the included CD for support documents.
• ZyXEL Web Site
Please refer to www.zyxel.com
certifications.
User Guide Feedback
Help us help you. Send all User Guide-related comments, questions or suggestions for
improvement to the following address, or use e-mail instead. Thank you!
The Technical Writing Team,
ZyXEL Communications Corp.,
6 Innovation Road II,
Science-Based Industrial Park,
Hsinchu, 300, Taiwan.
E-mail: techwriters@zyxel.com.tw
for additional support documentation and product
P-793H User’s Guide
3
Document Conventions
Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this User’s Guide.
1 Warnings tell you about things that could harm you or your device.
" Notes tell you other important information (for example, other things you may
need to configure or helpful tips) or recommendations.
Syntax Conventions
• The P-793H may be referred to as the “ZyXEL Device”, the “device”, the “system” or the
“product” in this User’s Guide.
• Product labels, screen names, field labels and field choices are all in bold font.
• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER]
means the “enter” or “return” key on your keyboard.
• “Enter” means for you to type one or more characters and then press the [ENTER] key.
“Select” or “choose” means for you to use one of the predefined choices.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example,
Maintenance > Log > Log Setting means you first click Maintenance in the navigation
panel, then the Log sub menu and finally the Log Setting tab to get to that screen.
• Units of measurement may denote the “metric” value or the “scientific” value. For
example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000”
or “1048576” and so on.
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P-793H User’s Guide
Document Conventions
Icons Used in Figures
Figures in this User’s Guide may use the following generic icons. The ZyXEL Device icon is
not an exact representation of your device.
ZyXEL Device Computer Notebook computer
Server DSLAM Firewall
Telephone Switch Router
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Safety Warnings
Safety Warnings
1 For your safety, be sure to read and follow all warning notices and instructions.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk
of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• ONLY qualified service personnel should service or disassemble this device.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on them or stumble over them.
• Always disconnect all cables from this device before servicing or disassembling.
• Use ONLY an appropriate power adaptor or cord for your device. Connect it to the right
supply voltage (for example, 110V AC in North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the
product where anyone can walk on the power adaptor or cord.
• Do NOT use the device if the power adaptor or cord is damaged as it might cause
electrocution.
• If the power adaptor or cord is damaged, remove it from the device and the power source.
• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a
new one.
• Do not use the device outside, and make sure all the connections are indoors. There is a
remote risk of electric shock from lightning.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your
device.
• Use only No. 26 AWG (American Wire Gauge) or larger telecommunication line cord.
• If you wall mount your device, make sure that no electrical lines, gas or water pipes will
be damaged.
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P-793H User’s Guide
This product is recyclable. Dispose of it properly.
Safety Warnings
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Safety Warnings
8
P-793H User’s Guide
Contents Overview
Contents Overview
Introduction, Wizards and Tutorials ..................................................................................... 37
Getting To Know Your ZyXEL Device ........................................................................................ 39
Introducing the Web Configurator .............................................................................................. 43
Wizards ...................................................................................................................................... 53
Point-to-(2)point Configuration .................................................................................................. 63
Network Setup ........................................................................................................................69
WAN Setup ................................................................................................................................ 71
LAN Setup ................................................................................................................................. 93
Network Address Translation (NAT) Screens .......................................................................... 103
Security and Advanced Setup ............................................................................................ 115
Firewalls ...................................................................................................................................117
Firewall Configuration .............................................................................................................. 129
Content Filtering ...................................................................................................................... 149
IPSec VPN ............................................................................................................................... 153
Static Route ............................................................................................................................. 177
Bandwidth Management .......................................................................................................... 181
Dynamic DNS Setup ................................................................................................................ 191
Remote Management Configuration ........................................................................................ 195
Universal Plug-and-Play (UPnP) ............................................................................................. 205
Maintenance .........................................................................................................................217
System ..................................................................................................................................... 219
Logs ......................................................................................................................................... 225
Tools ........................................................................................................................................ 229
Diagnostic ................................................................................................................................ 235
SMT and Troubleshooting ...................................................................................................237
Introducing the SMT ................................................................................................................ 239
General Setup ......................................................................................................................... 245
WAN Setup .............................................................................................................................. 249
LAN Setup ............................................................................................................................... 257
Internet Access Setup ............................................................................................................. 263
Remote Node Setup ................................................................................................................ 265
Static Route Setup ................................................................................................................... 275
NAT Setup ............................................................................................................................... 279
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Contents Overview
Firewall Setup .......................................................................................................................... 293
Filter Configuration .................................................................................................................. 295
SNMP Configuration ................................................................................................................ 309
System Password .....................................................................................................................311
System Information & Diagnosis ............................................................................................. 313
Firmware and Configuration File Maintenance ........................................................................ 323
Menus 24.8 to 24.11 ................................................................................................................ 337
IP Routing Policy Setup ........................................................................................................... 343
Schedule Setup ....................................................................................................................... 349
Troubleshooting ....................................................................................................................... 353
Appendices and Index ......................................................................................................... 359
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Table of Contents
Table of Contents
About This User's Guide ..........................................................................................................3
Document Conventions............................................................................................................4
Safety Warnings........................................................................................................................6
Contents Overview ...................................................................................................................9
Table of Contents....................................................................................................................11
List of Figures .........................................................................................................................23
List of Tables...........................................................................................................................31
Part I: Introduction, Wizards and Tutorials.......................................... 37
Chapter 1
Getting To Know Your ZyXEL Device....................................................................................39
1.1 Overview .............................................................................................................................. 39
1.1.1 High-speed Internet Access ....................................................................................... 39
1.1.2 High-speed Point-to-point Connections ..................................................................... 40
1.1.3 High-speed Point-to-2points Connections .................................................................. 40
1.2 Ways to Manage the ZyXEL Device .................................................................................... 41
1.3 Good Habits for Managing the ZyXEL Device ..................................................................... 41
1.4 LEDs .................................................................................................................................... 41
Chapter 2
Introducing the Web Configurator ........................................................................................43
2.1 Web Configurator Overview ................................................................................................. 43
2.2 Accessing the Web Configurator ......................................................................................... 43
2.3 Navigating the Web Configurator ......................................................................................... 45
2.4 Status Screen ...................................................................................................................... 48
2.4.1 Status: Bandwidth Status ........................................................................................... 50
2.4.2 Status: Packet Statistics ............................................................................................. 51
2.4.3 Status: VPN Status ..................................................................................................... 52
2.5 Resetting the ZyXEL Device ................................................................................................ 52
2.5.1 Using the Reset Button .............................................................................................. 52
Chapter 3
Wizards ....................................................................................................................................53
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3.1 Internet Setup Wizard .......................................................................................................... 54
3.1.1 Screen 1 ..................................................................................................................... 54
3.1.2 Screen 2 ..................................................................................................................... 55
3.1.3 Screen 3 ..................................................................................................................... 58
3.2 Bandwidth Management Wizard .......................................................................................... 59
3.2.1 Screen 1 ..................................................................................................................... 60
3.2.2 Screen 2 ..................................................................................................................... 61
3.2.3 Screen 3 ..................................................................................................................... 62
Chapter 4
Point-to-(2)point Configuration .............................................................................................63
4.1 Point-to-point Connection Overview .................................................................................... 63
4.2 Point-to-point Connection Procedure .................................................................................. 64
4.2.1 Set up the Server ....................................................................................................... 64
4.2.2 Set up the Client ......................................................................................................... 64
4.2.3 Connect the ZyXEL Devices ...................................................................................... 65
4.3 Point-to-2points Connection Overview ................................................................................ 65
4.4 Point-to-2point Connection Procedure ................................................................................ 66
4.4.1 Set up the Server ....................................................................................................... 66
4.4.2 Set up the Clients .......................................................................................................67
4.4.3 Connect the ZyXEL Devices ...................................................................................... 67
Part II: Network Setup............................................................................ 69
Chapter 5
WAN Setup............................................................................................................................... 71
5.1 WAN Overview ................................................................................................................... 71
5.1.1 Encapsulation ............................................................................................................. 71
5.1.2 Multiplexing ................................................................................................................ 72
5.1.3 VPI and VCI ............................................................................................................... 72
5.1.4 IP Address Assignment .............................................................................................. 72
5.1.5 Nailed-Up Connection (PPP) ..................................................................................... 73
5.1.6 NAT ............................................................................................................................ 73
5.2 Metric ................................................................................................................................... 73
5.3 Traffic Shaping ..................................................................................................................... 74
5.3.1 ATM Traffic Classes ................................................................................................... 75
5.4 Internet Connection ............................................................................................................. 75
5.4.1 2Wire-2Line Service Mode ......................................................................................... 78
5.4.2 Configuring Advanced Internet Connection ............................................................... 79
5.5 Configuring More Connections ............................................................................................ 81
5.5.1 More Connections Edit .............................................................................................. 81
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5.5.2 Configuring More Connections Advanced Setup ....................................................... 84
5.6 Traffic Redirect .................................................................................................................... 85
5.7 Dial Backup Interface .......................................................................................................... 86
5.8 Configuring WAN Backup Setup ......................................................................................... 86
5.8.1 Advanced Backup Setup ........................................................................................... 89
5.8.2 Advanced Modem Settings for Dial Backup .............................................................. 91
Chapter 6
LAN Setup................................................................................................................................93
6.1 LAN Overview ..................................................................................................................... 93
6.1.1 LANs, WANs and the ZyXEL Device .......................................................................... 93
6.1.2 DHCP Setup ...............................................................................................................94
6.1.3 DNS Server Address .................................................................................................. 94
6.1.4 DNS Server Address Assignment .............................................................................. 94
6.2 LAN TCP/IP ......................................................................................................................... 95
6.2.1 IP Address and Subnet Mask ..................................................................................... 95
6.2.2 RIP Setup ................................................................................................................... 96
6.2.3 Multicast ..................................................................................................................... 97
6.3 Configuring LAN IP .............................................................................................................. 97
6.3.1 Configuring Advanced LAN Setup ............................................................................. 98
6.4 DHCP Setup ........................................................................................................................ 99
6.5 LAN Client List ................................................................................................................... 100
6.6 LAN IP Alias ...................................................................................................................... 101
Chapter 7
Network Address Translation (NAT) Screens.....................................................................103
7.1 NAT Overview ................................................................................................................... 103
7.1.1 NAT Definitions ........................................................................................................ 103
7.1.2 What NAT Does ....................................................................................................... 104
7.1.3 How NAT Works ....................................................................................................... 104
7.1.4 NAT Application ........................................................................................................ 104
7.1.5 NAT Mapping Types ................................................................................................. 105
7.2 SUA (Single User Account) Versus NAT ........................................................................... 106
7.3 NAT General Setup ............................................................................................................ 106
7.4 Port Forwarding ................................................................................................................ 107
7.4.1 Default Server IP Address ........................................................................................ 107
7.4.2 Port Forwarding: Services and Port Numbers .......................................................... 108
7.4.3 Configuring Servers Behind Port Forwarding (Example) ......................................... 108
7.5 Configuring Port Forwarding .............................................................................................. 108
7.5.1 Port Forwarding Rule Edit ........................................................................................110
7.6 Address Mapping ............................................................................................................... 111
7.6.1 Address Mapping Rule Edit ......................................................................................112
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Table of Contents
Part III: Security and Advanced Setup ................................................115
Chapter 8
Firewalls................................................................................................................................. 117
8.1 Firewall Overview ...............................................................................................................117
8.2 Types of Firewalls ...............................................................................................................117
8.2.1 Packet Filtering Firewalls ..........................................................................................117
8.2.2 Application-level Firewalls .........................................................................................118
8.2.3 Stateful Inspection Firewalls ......................................................................................118
8.3 Introduction to ZyXEL’s Firewall .........................................................................................118
8.3.1 Denial of Service Attacks ..........................................................................................119
8.4 Denial of Service ................................................................................................................119
8.4.1 Basics ........................................................................................................................119
8.4.2 Types of DoS Attacks ................................................................................................119
8.5 Stateful Inspection ............................................................................................................. 122
8.5.1 Stateful Inspection Process ...................................................................................... 123
8.5.2 Stateful Inspection and the ZyXEL Device ............................................................... 124
8.5.3 TCP Security ............................................................................................................ 124
8.5.4 UDP/ICMP Security .................................................................................................. 125
8.5.5 Upper Layer Protocols ............................................................................................. 125
8.6 Guidelines for Enhancing Security with Your Firewall ....................................................... 126
8.6.1 Security In General .................................................................................................. 126
8.7 Packet Filtering vs. Firewall ............................................................................................... 127
8.7.1 Packet Filtering ........................................................................................................ 127
8.7.2 Firewall ..................................................................................................................... 127
Chapter 9
Firewall Configuration ..........................................................................................................129
9.1 Access Methods ................................................................................................................ 129
9.2 Firewall Policies Overview .................................................................................................129
9.3 Rule Logic Overview .......................................................................................................... 130
9.3.1 Rule Checklist .......................................................................................................... 130
9.3.2 Security Ramifications .............................................................................................. 130
9.3.3 Key Fields For Configuring Rules ............................................................................ 131
9.4 Connection Direction ......................................................................................................... 131
9.4.1 LAN to WAN Rules ................................................................................................... 132
9.4.2 Alerts ........................................................................................................................ 132
9.5 Triangle Route ................................................................................................................... 132
9.5.1 The “Triangle Route” Problem .................................................................................. 132
9.5.2 Solving the “Triangle Route” Problem ...................................................................... 133
9.6 General Firewall Policy ...................................................................................................... 133
9.7 Firewall Rules Summary ................................................................................................... 135
9.7.1 Configuring Firewall Rules ..................................................................................... 136
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9.7.2 Customized Services .............................................................................................. 139
9.7.3 Configuring A Customized Service ......................................................................... 139
9.8 Example Firewall Rule ....................................................................................................... 140
9.9 Anti-Probing ....................................................................................................................... 144
9.10 DoS Thresholds .............................................................................................................. 145
9.10.1 Threshold Values ................................................................................................... 145
9.10.2 Half-Open Sessions ............................................................................................... 146
9.10.3 Configuring Firewall Thresholds ............................................................................. 146
Chapter 10
Content Filtering ...................................................................................................................149
10.1 Content Filtering Overview ............................................................................................. 149
10.2 Configuring Keyword Blocking ......................................................................................... 149
10.3 Configuring the Schedule ............................................................................................... 150
10.4 Configuring Trusted Computers ...................................................................................... 151
Chapter 11
IPSec VPN.............................................................................................................................. 153
11.1 IPSec VPN Overview ....................................................................................................... 153
11.1.1 IKE SA Overview .................................................................................................... 154
11.1.2 Additional Topics for IKE SA ................................................................................... 157
11.1.3 IPSec SA Overview ................................................................................................ 158
11.1.4 Additional Topics for IPSec SA ............................................................................... 160
11.2 VPN Setup Screen ........................................................................................................... 161
11.3 Editing VPN Policies ........................................................................................................ 163
11.4 Configuring Advanced IKE Settings ................................................................................. 167
11.5 Configuring Manual Key ................................................................................................... 169
11.6 Viewing SA Monitor .......................................................................................................... 172
11.7 Configuring Global Setting ............................................................................................... 173
11.8 Telecommuter VPN/IPSec Examples ............................................................................... 174
11.8.1 Telecommuters Sharing One VPN Rule Example .................................................. 174
11.8.2 Telecommuters Using Unique VPN Rules Example ............................................... 175
11.9 VPN and Remote Management ....................................................................................... 176
Chapter 12
Static Route ........................................................................................................................... 177
12.1 Static Route ..................................................................................................................... 177
12.2 Configuring Static Route ..................................................................................................177
12.2.1 Static Route Edit ................................................................................................... 178
Chapter 13
Bandwidth Management.......................................................................................................181
13.1 Bandwidth Management Overview .................................................................................. 181
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Table of Contents
13.2 Application-based Bandwidth Management .................................................................... 181
13.3 Subnet-based Bandwidth Management .......................................................................... 181
13.4 Application and Subnet-based Bandwidth Management ................................................. 182
13.5 Scheduler ........................................................................................................................ 182
13.5.1 Priority-based Scheduler ........................................................................................ 182
13.5.2 Fairness-based Scheduler ..................................................................................... 183
13.6 Maximize Bandwidth Usage ............................................................................................ 183
13.6.1 Reserving Bandwidth for Non-Bandwidth Class Traffic .......................................... 183
13.6.2 Maximize Bandwidth Usage Example .................................................................... 183
13.6.3 Over Allotment of Bandwidth .................................................................................. 185
13.6.4 Bandwidth Management Priorities ......................................................................... 185
13.7 Configuring Summary ...................................................................................................... 185
13.8 Bandwidth Management Rule Setup ............................................................................. 187
13.8.1 Rule Configuration ................................................................................................. 188
13.9 Bandwidth Monitor .......................................................................................................... 189
Chapter 14
Dynamic DNS Setup .............................................................................................................191
14.1 Dynamic DNS Overview ................................................................................................. 191
14.1.1 DYNDNS Wildcard ................................................................................................. 191
14.2 Configuring Dynamic DNS ............................................................................................... 191
Chapter 15
Remote Management Configuration ...................................................................................195
15.1 Remote Management Overview ..................................................................................... 195
15.1.1 Remote Management Limitations .......................................................................... 196
15.1.2 Remote Management and NAT .............................................................................. 196
15.1.3 System Timeout ..................................................................................................... 196
15.2 WWW .............................................................................................................................. 196
15.3 Telnet ............................................................................................................................... 197
15.4 Configuring Telnet ............................................................................................................ 197
15.5 Configuring FTP .............................................................................................................. 198
15.6 SNMP .............................................................................................................................. 199
15.6.1 Supported MIBs ..................................................................................................... 200
15.6.2 SNMP Traps ........................................................................................................... 200
15.6.3 Configuring SNMP ................................................................................................. 201
15.7 Configuring DNS ............................................................................................................. 202
15.8 Configuring ICMP ............................................................................................................ 202
15.9 TR-069 ............................................................................................................................. 203
Chapter 16
Universal Plug-and-Play (UPnP).......................................................................................... 205
16.1 Introducing Universal Plug and Play ............................................................................... 205
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16.1.1 How do I know if I'm using UPnP? ......................................................................... 205
16.1.2 NAT Traversal ........................................................................................................ 205
16.1.3 Cautions with UPnP ............................................................................................... 205
16.2 UPnP and ZyXEL ............................................................................................................206
16.2.1 Configuring UPnP .................................................................................................. 206
16.3 Installing UPnP in Windows Example .............................................................................. 207
16.4 Using UPnP in Windows XP Example ............................................................................. 210
Part IV: Maintenance............................................................................ 217
Chapter 17
System ...................................................................................................................................219
17.1 General Setup ................................................................................................................. 219
17.1.1 General Setup and System Name ......................................................................... 219
17.1.2 General Setup ....................................................................................................... 219
17.2 Time Setting .................................................................................................................... 221
Chapter 18
Logs .......................................................................................................................................225
18.1 Logs Overview ................................................................................................................ 225
18.1.1 Alerts and Logs ...................................................................................................... 225
18.2 Viewing the Logs ............................................................................................................. 225
18.3 Configuring Log Settings ................................................................................................ 226
Chapter 19
Tools.......................................................................................................................................229
19.1 Firmware Upgrade .......................................................................................................... 229
19.2 Configuration .................................................................................................................. 231
19.3 Restart ............................................................................................................................. 233
Chapter 20
Diagnostic..............................................................................................................................235
20.1 General Diagnostic .......................................................................................................... 235
20.2 DSL Line Diagnostic ...................................................................................................... 235
Part V: SMT and Troubleshooting ...................................................... 237
Chapter 21
Introducing the SMT .............................................................................................................239
21.1 Accessing the SMT .......................................................................................................... 239
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Table of Contents
21.2 SMT Menu Items ............................................................................................................. 240
21.3 Navigating the SMT Interface .......................................................................................... 242
Chapter 22
General Setup........................................................................................................................245
22.1 Configuring General Setup .............................................................................................. 245
22.1.1 Configuring Dynamic DNS ..................................................................................... 246
Chapter 23
WAN Setup............................................................................................................................. 249
23.1 WAN Setup ...................................................................................................................... 249
23.1.1 2wire-2line Service Mode ....................................................................................... 251
23.2 Configuring Traffic Redirect ............................................................................................. 252
23.3 Dial Backup Interface ...................................................................................................... 253
23.4 Configuring Dial Backup in Menu 2 ................................................................................. 253
23.5 Advanced Dial Backup Setup .......................................................................................... 254
Chapter 24
LAN Setup..............................................................................................................................257
24.1 Accessing the LAN Menus .............................................................................................. 257
24.2 LAN Port Filter Setup ....................................................................................................... 257
24.3 TCP/IP and DHCP Setup Menu ...................................................................................... 258
24.4 LAN IP Alias .................................................................................................................... 259
24.4.1 Port-based VLAN Setup ......................................................................................... 260
Chapter 25
Internet Access Setup ..........................................................................................................263
25.1 Internet Access Setup .....................................................................................................263
Chapter 26
Remote Node Setup..............................................................................................................265
26.1 Introduction to Remote Node Setup ................................................................................ 265
26.2 Remote Node Setup ........................................................................................................ 265
26.3 Remote Node Profile .......................................................................................................265
26.4 Remote Node Network Layer Options ............................................................................. 269
26.5 Remote Node Filter ......................................................................................................... 271
26.6 Remote Node ATM Layer Options ................................................................................... 272
26.7 Advance Setup Options ................................................................................................... 274
Chapter 27
Static Route Setup................................................................................................................ 275
27.1 IP Static Route Setup ...................................................................................................... 275
27.2 Bridge Static Route Setup ............................................................................................... 276
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Chapter 28
NAT Setup..............................................................................................................................279
28.1 Using NAT ........................................................................................................................ 279
28.1.1 SUA (Single User Account) Versus NAT ................................................................ 279
28.1.2 Applying NAT ......................................................................................................... 279
28.2 NAT Setup ....................................................................................................................... 281
28.2.1 Address Mapping Sets ........................................................................................... 281
28.3 Configuring a Server behind NAT .................................................................................... 284
28.4 General NAT Examples ................................................................................................... 286
28.4.1 Internet Access Only .............................................................................................. 286
28.4.2 Example 2: Internet Access with a Default Server ................................................. 287
28.4.3 Example 3: Multiple Public IP Addresses With Inside Servers .............................. 288
28.4.4 Example 4: NAT Unfriendly Application Programs ................................................. 291
Chapter 29
Firewall Setup........................................................................................................................293
29.1 Using ZyXEL Device SMT Menus ................................................................................... 293
29.1.1 Activating the Firewall ............................................................................................ 293
Chapter 30
Filter Configuration...............................................................................................................295
30.1 Introduction to Filters ....................................................................................................... 295
30.1.1 The Filter Structure of the ZyXEL Device ............................................................... 296
30.2 Configuring a Filter Set .................................................................................................... 297
30.2.1 Configuring a Filter Rule ........................................................................................ 299
30.2.2 Configuring a TCP/IP Filter Rule ............................................................................ 300
30.2.3 Configuring a Generic Filter Rule ........................................................................... 302
30.3 Example Filter .................................................................................................................. 304
30.4 Filter Types and NAT ....................................................................................................... 306
30.5 Firewall Versus Filters ..................................................................................................... 306
30.6 Applying a Filter ............................................................................................................... 306
30.6.1 Applying LAN Filters ............................................................................................... 307
30.6.2 Applying Remote Node Filters ............................................................................... 307
Chapter 31
SNMP Configuration.............................................................................................................309
31.1 SNMP Configuration ........................................................................................................309
Chapter 32
System Password .................................................................................................................311
Chapter 33
System Information & Diagnosis.........................................................................................313
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Table of Contents
33.1 Introduction to System Status .......................................................................................... 313
33.2 System Status .................................................................................................................. 313
33.3 System Information and Console Port Speed .................................................................. 315
33.3.1 System Information ................................................................................................ 315
33.3.2 Console Port Speed ............................................................................................... 316
33.4 Log and Trace .................................................................................................................. 317
33.4.1 Viewing Error Log ................................................................................................... 317
33.4.2 Syslog Logging ....................................................................................................... 318
33.5 Diagnostic ........................................................................................................................ 320
Chapter 34
Firmware and Configuration File Maintenance..................................................................323
34.1 Introduction ...................................................................................................................... 323
34.2 Filename Conventions ..................................................................................................... 323
34.3 Backup Configuration ......................................................................................................324
34.3.1 Backup Configuration ............................................................................................. 324
34.3.2 Using the FTP Command from the Command Line ............................................... 325
34.3.3 Example of FTP Commands from the Command Line .......................................... 325
34.3.4 GUI-based FTP Clients .......................................................................................... 326
34.3.5 File Maintenance Over WAN .................................................................................. 326
34.3.6 Backup Configuration Using TFTP ......................................................................... 326
34.3.7 TFTP Command Example ...................................................................................... 327
34.3.8 GUI-based TFTP Clients ........................................................................................ 327
34.3.9 Backup Via Console Port ....................................................................................... 327
34.4 Restore Configuration ...................................................................................................... 328
34.4.1 Restore Using FTP ................................................................................................. 329
34.4.2 Restore Using FTP Session Example .................................................................... 330
34.4.3 Restore Via Console Port ....................................................................................... 330
34.5 Uploading Firmware and Configuration Files .................................................................. 331
34.5.1 Firmware File Upload ............................................................................................. 331
34.5.2 Configuration File Upload ....................................................................................... 331
34.5.3 FTP File Upload Command from the DOS Prompt Example ................................. 332
34.5.4 FTP Session Example of Firmware File Upload .................................................... 333
34.5.5 TFTP File Upload ................................................................................................... 333
34.5.6 TFTP Upload Command Example ......................................................................... 334
34.5.7 Uploading Via Console Port ................................................................................... 334
34.5.8 Uploading Firmware File Via Console Port ............................................................ 334
34.5.9 Example Xmodem Firmware Upload Using HyperTerminal ................................... 334
34.5.10 Uploading Configuration File Via Console Port .................................................... 335
34.5.11 Example Xmodem Configuration Upload Using HyperTerminal ........................... 335
Chapter 35
Menus 24.8 to 24.11 .............................................................................................................. 337
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35.1 Command Interpreter Mode ............................................................................................ 337
35.1.1 Command Syntax ................................................................................................... 337
35.1.2 Command Usage ................................................................................................... 338
35.2 Call Control Support ........................................................................................................ 338
35.2.1 Budget Management .............................................................................................. 338
35.3 Time and Date Setting .....................................................................................................339
35.4 Remote Management ...................................................................................................... 341
35.4.1 Remote Management Limitations .......................................................................... 342
Chapter 36
IP Routing Policy Setup .......................................................................................................343
36.1 Policy Route ................................................................................................................... 343
36.2 Benefits ............................................................................................................................ 343
36.3 Routing Policy .................................................................................................................. 343
36.4 IP Routing Policy Setup ...................................................................................................344
36.5 IP Routing Policy Setup ...................................................................................................344
36.6 IP Routing Policy ............................................................................................................. 346
36.7 IP Policy Routing Example .............................................................................................. 347
Chapter 37
Schedule Setup..................................................................................................................... 349
37.1 Schedule Set Overview ................................................................................................... 349
37.2 Schedule Setup ............................................................................................................... 349
37.3 Schedule Set Setup ......................................................................................................... 350
Chapter 38
Troubleshooting....................................................................................................................353
38.1 Power, Hardware Connections, and LEDs ...................................................................... 353
38.2 ZyXEL Device Access and Login .................................................................................... 354
38.3 Internet Access ................................................................................................................ 356
38.4 Advanced Features .........................................................................................................357
38.5 Reset the ZyXEL Device to Its Factory Defaults ............................................................. 357
Part VI: Appendices and Index ........................................................... 359
Appendix A Product Specifications.......................................................................................361
Appendix B Wall-mounting Instructions................................................................................365
Appendix C Setting up Your Computer’s IP Address ...........................................................367
Appendix D Pop-up Windows, JavaScripts and Java Permissions ...................................... 383
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Table of Contents
Appendix E IP Addresses and Subnetting ...........................................................................389
Appendix F IP Address Assignment Conflicts ......................................................................397
Appendix G Common Services ............................................................................................401
Appendix H Command Interpreter........................................................................................ 405
Appendix I Log Descriptions................................................................................................. 411
Appendix J NetBIOS Filter Commands ................................................................................427
Appendix K Legal Information ..............................................................................................429
Appendix L Customer Support .............................................................................................433
Index.......................................................................................................................................437
22
P-793H User’s Guide
List of Figures
List of Figures
Figure 1 High-speed Internet Access with Your ZyXEL Device .............................................................. 39
Figure 2 Point-to-point Connections with Your ZyXEL Device ................................................................ 40
Figure 3 Point-to-2points Connections with Your ZyXEL Device ............................................................ 40
Figure 4 LEDs ......................................................................................................................................... 41
Figure 5 Login Screen ............................................................................................................................ 44
Figure 6 Change Password at Login ...................................................................................................... 44
Figure 7 Select a Mode .......................................................................................................................... 45
Figure 8 Web Configurator: Main Screen .............................................................................................. 46
Figure 9 Status ....................................................................................................................................... 49
Figure 10 Status > Packet Statistics ....................................................................................................... 51
Figure 11 Wizard Main Screen ............................................................................................................... 53
Figure 12 Internet Access Wizard Setup: ISP Parameters ..................................................................... 54
Figure 13 Internet Setup Wizard: ISP Parameters (Ethernet) ................................................................ 55
Figure 14 Internet Setup Wizard: ISP Parameters (PPPoE) .................................................................. 56
Figure 15 Internet Setup Wizard: ISP Parameters (RFC1483) .............................................................. 57
Figure 16 Internet Setup Wizard: ISP Parameters (PPPoA) .................................................................. 57
Figure 17 Internet Setup Wizard: Summary Screen ............................................................................... 58
Figure 18 Bandwidth Management Wizard: General Information ........................................................... 60
Figure 19 Bandwidth Management Wizard: Configuration ..................................................................... 61
Figure 20 Bandwidth Management Wizard: Complete ........................................................................... 62
Figure 21 Example: Point-to-point Connection ....................................................................................... 63
Figure 22 WAN > Internet Connection > Service Type ........................................................................... 64
Figure 23 Example: Point-to-2points Connection ................................................................................... 65
Figure 24 WAN > Internet Connection > Service Type ........................................................................... 66
Figure 25 Example of Traffic Shaping .................................................................................................... 74
Figure 26 WAN > Internet Connection .................................................................................................... 76
Figure 27 2wire-2line Service Mode ....................................................................................................... 78
Figure 28 WAN > Internet Connection > Advanced Setup ..................................................................... 79
Figure 29 WAN > More Connections ...................................................................................................... 81
Figure 30 WAN > More Connections > Edit ............................................................................................ 82
Figure 31 WAN > More Connections > Advanced Setup ....................................................................... 84
Figure 32 Traffic Redirect Example ........................................................................................................ 85
Figure 33 Traffic Redirect LAN Setup ..................................................................................................... 86
Figure 34 WAN > WAN Backup Setup ................................................................................................... 87
Figure 35 WAN > WAN Backup Setup > Advanced Setup ..................................................................... 89
Figure 36 WAN > WAN Backup Setup > Advanced Setup > Edit ........................................................... 91
Figure 37 LAN and WAN IP Addresses .................................................................................................. 93
Figure 38 LAN > IP ................................................................................................................................. 97
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List of Figures
Figure 39 LAN > IP > Advanced Setup .................................................................................................. 98
Figure 40 LAN > DHCP Setup ................................................................................................................ 99
Figure 41 LAN > Client List ................................................................................................................... 100
Figure 42 Physical Network & Partitioned Logical Networks ................................................................ 101
Figure 43 LAN > IP Alias ...................................................................................................................... 102
Figure 44 How NAT Works ................................................................................................................... 104
Figure 45 NAT Application With IP Alias .............................................................................................. 105
Figure 46 NAT > General ...................................................................................................................... 106
Figure 47 Multiple Servers Behind NAT Example ................................................................................ 108
Figure 48 NAT > Port Forwarding ......................................................................................................... 109
Figure 49 NAT > Port Forwarding > Edit ...............................................................................................110
Figure 50 NAT > Address Mapping .......................................................................................................111
Figure 51 NAT > Address Mapping > Edit .............................................................................................112
Figure 52 ZyXEL Device Firewall Application ........................................................................................119
Figure 53 Three-Way Handshake ......................................................................................................... 120
Figure 54 SYN Flood ............................................................................................................................ 121
Figure 55 Smurf Attack ......................................................................................................................... 121
Figure 56 Stateful Inspection ................................................................................................................ 123
Figure 57 Ideal Firewall Setup .............................................................................................................. 132
Figure 58 “Triangle Route” Problem ..................................................................................................... 133
Figure 59 IP Alias ................................................................................................................................. 133
Figure 60 Firewall > General ................................................................................................................ 134
Figure 61 Firewall > Rules .................................................................................................................... 135
Figure 62 Firewall > Rules > Add/Edit .................................................................................................. 137
Figure 63 Firewall > Rules > Add/Edit > Edit Customized Services ..................................................... 139
Figure 64 Firewall > Rules > Add/Edit > Edit Customized Services > Edit ........................................... 140
Figure 65 Firewall Example: Rules ....................................................................................................... 141
Figure 66 Edit Custom Port Example ................................................................................................... 141
Figure 67 Firewall Example: Edit Rule: Destination Address .............................................................. 142
Figure 68 Firewall Example: Edit Rule: Select Customized Services ................................................... 143
Figure 69 Firewall Example: Rules: MyService ................................................................................... 144
Figure 70 Firewall > Anti Probing ......................................................................................................... 144
Figure 71 Firewall > Threshold ............................................................................................................. 147
Figure 72 Content Filter > Keyword ...................................................................................................... 149
Figure 73 Content Filter > Schedule ..................................................................................................... 150
Figure 74 Content Filter > Trusted ........................................................................................................ 151
Figure 75 VPN: Example ...................................................................................................................... 153
Figure 76 VPN: IKE SA and IPSec SA ................................................................................................ 154
Figure 77 IKE SA: Main Negotiation Mode, Steps 1 - 2: IKE SA Proposal ........................................... 155
Figure 78 IKE SA: Main Negotiation Mode, Steps 3 - 4: DH Key Exchange ........................................ 155
Figure 79 IKE SA: Main Negotiation Mode, Steps 5 - 6: Authentication ............................................... 156
Figure 80 VPN/NAT Example ............................................................................................................... 158
Figure 81 VPN: Transport and Tunnel Mode Encapsulation ................................................................ 159
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List of Figures
Figure 82 VPN > Setup ........................................................................................................................ 162
Figure 83 VPN > Setup > Edit .............................................................................................................. 163
Figure 84 VPN > Setup > Edit > Advanced .......................................................................................... 167
Figure 85 VPN > Setup > Edit > Manual .............................................................................................. 170
Figure 86 VPN > Monitor ...................................................................................................................... 173
Figure 87 VPN > VPN Global Setting ................................................................................................... 173
Figure 88 Telecommuters Sharing One VPN Rule Example ................................................................ 174
Figure 89 Telecommuters Using Unique VPN Rules Example ............................................................. 175
Figure 90 Example of Static Routing Topology ..................................................................................... 177
Figure 91 Static Route > Static Route ................................................................................................... 178
Figure 92 Static Route > Static Route > Edit ........................................................................................ 179
Figure 93 Subnet-based Bandwidth Management Example ................................................................ 182
Figure 94 Bandwidth MGMT > Summary .............................................................................................186
Figure 95 Bandwidth MGMT > Rule Setup ........................................................................................... 187
Figure 96 Bandwidth MGMT > Rule Setup > Add/Edit ......................................................................... 188
Figure 97 Bandwidth MGMT > Monitor ................................................................................................. 190
Figure 98 Dynamic DNS > Dynamic DNS ............................................................................................192
Figure 99 Remote MGMT > WWW ....................................................................................................... 196
Figure 100 Telnet Configuration on a TCP/IP Network ......................................................................... 197
Figure 101 Remote MGMT > Telnet ..................................................................................................... 197
Figure 102 Remote MGMT > FTP ........................................................................................................ 198
Figure 103 SNMP Management Model ................................................................................................ 199
Figure 104 Remote MGMT > SNMP .................................................................................................... 201
Figure 105 Remote MGMT > DNS ....................................................................................................... 202
Figure 106 Remote MGMT > ICMP ...................................................................................................... 203
Figure 107 Enabling TR-069 ............................................................................................................... 204
Figure 108 UPnP > General ................................................................................................................. 206
Figure 109 Add/Remove Programs: Windows Setup: Communication ................................................ 207
Figure 110 Add/Remove Programs: Windows Setup: Communication: Components .......................... 208
Figure 111 Network Connections .......................................................................................................... 208
Figure 112 Windows Optional Networking Components Wizard .......................................................... 209
Figure 113 Networking Services ........................................................................................................... 209
Figure 114 Network Connections ......................................................................................................... 210
Figure 115 Internet Connection Properties ...........................................................................................211
Figure 116 Internet Connection Properties: Advanced Settings ............................................................211
Figure 117 Internet Connection Properties: Advanced Settings: Add .................................................. 212
Figure 118 System Tray Icon ................................................................................................................ 212
Figure 119 Internet Connection Status ................................................................................................. 213
Figure 120 Network Connections ......................................................................................................... 214
Figure 121 Network Connections: My Network Places ........................................................................ 215
Figure 122 Network Connections: My Network Places: Properties: Example ...................................... 215
Figure 123 System > General ............................................................................................................... 220
Figure 124 System > Time Setting ....................................................................................................... 221
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List of Figures
Figure 125 Logs > View Log ................................................................................................................. 226
Figure 126 Logs > Log Settings ........................................................................................................... 227
Figure 127 Tools > Firmware ................................................................................................................ 229
Figure 128 Firmware Upload In Progress ............................................................................................. 230
Figure 129 Network Temporarily Disconnected ....................................................................................230
Figure 130 Error Message .................................................................................................................... 231
Figure 131 Tools > Configuration .......................................................................................................... 231
Figure 132 Configuration Upload Successful ....................................................................................... 232
Figure 133 Network Temporarily Disconnected ....................................................................................232
Figure 134 Configuration Upload Error ................................................................................................. 233
Figure 135 Tools > Restart ................................................................................................................... 233
Figure 136 Diagnostic > General .......................................................................................................... 235
Figure 137 Diagnostic > DSL Line ........................................................................................................ 236
Figure 138 Login Screen ...................................................................................................................... 239
Figure 139 SMT Main Menu ................................................................................................................. 240
Figure 140 Menu 1: General Setup ...................................................................................................... 245
Figure 141 Menu 1.1: Configure Dynamic DNS ................................................................................... 246
Figure 142 Menu 2: WAN Setup ........................................................................................................... 249
Figure 143 Menu 2: 2wire-2line Service Mode ..................................................................................... 251
Figure 144 Menu 2.1: Traffic Redirect Setup ........................................................................................ 252
Figure 145 Menu 2.2: Dial Backup Setup ............................................................................................ 253
Figure 146 Menu 2.2.1: Advanced Dial Backup Setup ......................................................................... 254
Figure 147 Menu 3: LAN Setup ............................................................................................................ 257
Figure 148 Menu 3.1: LAN Port Filter Setup ........................................................................................ 257
Figure 149 Menu 3.2: TCP/IP and DHCP Ethernet Setup .................................................................... 258
Figure 150 Menu 3.2.1: IP Alias Setup ................................................................................................. 260
Figure 151 Menu 3.6: Port Based VLAN Setup .................................................................................... 261
Figure 152 Menu 4: Internet Access Setup .......................................................................................... 263
Figure 153 Menu 11: Remote Node Setup ........................................................................................... 265
Figure 154 Menu 11.1: Remote Node Profile (nodes 1-7) .................................................................... 266
Figure 155 Menu 11.1: Remote Node Profile (node 8) ......................................................................... 268
Figure 156 Menu 11.3: Remote Node Network Layer Options ............................................................. 269
Figure 157 Menu 11.5: Remote Node Filter ......................................................................................... 272
Figure 158 ...................................................................Menu 11.6: Remote Node ATM Layer Options 273
Figure 159 Menu 11.8: Advance Setup Options ................................................................................... 274
Figure 160 Menu 12.1: IP Static Route Setup ..................................................................................... 275
Figure 161 Menu 12.1.1: Edit IP Static Route ...................................................................................... 276
Figure 162 Menu 12.3: Bridge Static Route Setup ............................................................................... 277
Figure 163 Menu 12.3.1: Edit Bridge Static Route ...............................................................................277
Figure 164 Menu 4: Applying NAT for Internet Access ......................................................................... 280
Figure 165 Menu 11.3: Applying NAT to the Remote Node .................................................................. 280
Figure 166 Menu 15: NAT Setup .......................................................................................................... 281
Figure 167 Menu 15.1: Address Mapping Sets .................................................................................... 282
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List of Figures
Figure 168 Menu 15.1.1: Address Mapping Rules ............................................................................... 282
Figure 169 Menu 15.1.1.1: Address Mapping Rule .............................................................................. 284
Figure 170 Menu 15.2: NAT Server Sets .............................................................................................. 285
Figure 171 Menu 15.2: NAT Server Setup ........................................................................................... 285
Figure 172 NAT Example 1 .................................................................................................................. 286
Figure 173 Menu 4: Internet Access & NAT Example .......................................................................... 287
Figure 174 NAT Example 2 .................................................................................................................. 287
Figure 175 Menu 15.2: Specifying an Inside Server ............................................................................. 288
Figure 176 NAT Example 3 .................................................................................................................. 288
Figure 177 Example 3: Menu 11.3 ........................................................................................................ 289
Figure 178 Example 3: Menu 15.1.1.1 ................................................................................................. 289
Figure 179 Example 3: Final Menu 15.1.1 ............................................................................................ 290
Figure 180 Example 3: Menu 15.2 ....................................................................................................... 290
Figure 181 NAT Example 4 .................................................................................................................. 291
Figure 182 Example 4: Menu 15.1.1.1: Address Mapping Rule ........................................................... 291
Figure 183 Example 4: Menu 15.1.1: Address Mapping Rules ............................................................ 292
Figure 184 Menu 21: Filter and Firewall Setup ..................................................................................... 293
Figure 185 Menu 21.2: Firewall Setup .................................................................................................. 294
Figure 186 Outgoing Packet Filtering Process ..................................................................................... 295
Figure 187 Filter Rule Process ............................................................................................................. 297
Figure 188 Menu 21: Filter and Firewall Setup ..................................................................................... 298
Figure 189 Menu 21.1: Filter Set Configuration .................................................................................... 298
Figure 190 Menu 21.1.1: Filter Rules Summary ...................................................................................298
Figure 191 Menu 21.1.1.1: TCP/IP Filter Rule ..................................................................................... 300
Figure 192 Executing an IP Filter ......................................................................................................... 302
Figure 193 Menu 21.1.1.1: Generic Filter Rule .................................................................................... 303
Figure 194 Telnet Filter Example .......................................................................................................... 304
Figure 195 Example Filter: Menu 21.1.3.1 ........................................................................................... 305
Figure 196 Example Filter Rules Summary: Menu 21.1.3 .................................................................... 305
Figure 197 Protocol and Device Filter Sets .......................................................................................... 306
Figure 198 Filtering LAN Traffic ............................................................................................................ 307
Figure 199 Filtering Remote Node Traffic ............................................................................................. 307
Figure 200 Menu 22: SNMP Configuration ........................................................................................... 309
Figure 201 Menu 23: System Password ................................................................................................311
Figure 202 Menu 24: System Maintenance .......................................................................................... 313
Figure 203 Menu 24.1: System Maintenance - Status .......................................................................... 314
Figure 204 Menu 24.2: System Information and Console Port Speed ................................................. 315
Figure 205 Menu 24.2.1: System Maintenance - Information ............................................................... 316
Figure 206 Menu 24.2.2: System Maintenance: Change Console Port Speed .................................... 316
Figure 207 Menu 24.3: System Maintenance - Log and Trace ............................................................. 317
Figure 208 Examples of Error and Information Messages ................................................................... 317
Figure 209 Menu 24.3.2: System Maintenance - UNIX Syslog ............................................................ 318
Figure 210 Menu 24.4: System Maintenance - Diagnostic ................................................................... 321
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List of Figures
Figure 211 Menu 24.5: Backup Configuration ...................................................................................... 325
Figure 212 FTP Session Example ........................................................................................................ 325
Figure 213 System Maintenance: Backup Configuration ..................................................................... 328
Figure 214 System Maintenance: Starting Xmodem Download Screen ............................................... 328
Figure 215 Backup Configuration Example .......................................................................................... 328
Figure 216 Successful Backup Confirmation Screen ........................................................................... 328
Figure 217 Menu 24.6: Restore Configuration ..................................................................................... 329
Figure 218 Restore Using FTP Session Example ................................................................................ 330
Figure 219 System Maintenance: Restore Configuration ..................................................................... 330
Figure 220 System Maintenance: Starting Xmodem Download Screen ............................................... 330
Figure 221 Restore Configuration Example ......................................................................................... 330
Figure 222 Successful Restoration Confirmation Screen ..................................................................... 331
Figure 223 Menu 24.7.1: System Maintenance - Upload System Firmware ........................................ 331
Figure 224 Menu 24.7.2: System Maintenance - Upload System Configuration File ........................... 332
Figure 225 FTP Session Example of Firmware File Upload ................................................................. 333
Figure 226 Menu 24.7.1 As Seen Using the Console Port ................................................................... 334
Figure 227 Example Xmodem Upload .................................................................................................. 335
Figure 228 Menu 24.7.2 As Seen Using the Console Port .................................................................. 335
Figure 229 Example Xmodem Upload .................................................................................................. 336
Figure 230 Command Mode in Menu 24 .............................................................................................. 337
Figure 231 Valid Commands ................................................................................................................ 338
Figure 232 Menu 24.9: System Maintenance - Call Control ................................................................. 338
Figure 233 Menu 24.9.1 - Budget Management ................................................................................... 339
Figure 234 Menu 24: System Maintenance .......................................................................................... 340
Figure 235 Menu 24.10: System Maintenance - Time and Date Setting .............................................. 340
Figure 236 Menu 24.11 – Remote Management Control ..................................................................... 342
Figure 237 Menu 25: IP Routing Policy Setup ...................................................................................... 344
Figure 238 Menu 25.1: IP Routing Policy Setup ................................................................................... 345
Figure 239 Menu 25.1.1: IP Routing Policy .......................................................................................... 346
Figure 240 IP Routing Policy Example ................................................................................................. 347
Figure 241 IP Routing Policy Example 1 .............................................................................................. 348
Figure 242 IP Routing Policy Example 2 .............................................................................................. 348
Figure 243 Menu 26: Schedule Setup .................................................................................................. 349
Figure 244 Menu 26.1: Schedule Set Setup ......................................................................................... 350
Figure 245 Y-Cable Configuration ........................................................................................................ 364
Figure 246 Wall-mounting Example ...................................................................................................... 365
Figure 247 WIndows 95/98/Me: Network: Configuration ...................................................................... 368
Figure 248 Windows 95/98/Me: TCP/IP Properties: IP Address .......................................................... 369
Figure 249 Windows 95/98/Me: TCP/IP Properties: DNS Configuration .............................................. 370
Figure 250 Windows XP: Start Menu .................................................................................................... 371
Figure 251 Windows XP: Control Panel ............................................................................................... 371
Figure 252 Windows XP: Control Panel: Network Connections: Properties ......................................... 372
Figure 253 Windows XP: Local Area Connection Properties ............................................................... 372
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List of Figures
Figure 254 Windows XP: Internet Protocol (TCP/IP) Properties .......................................................... 373
Figure 255 Windows XP: Advanced TCP/IP Properties ....................................................................... 374
Figure 256 Windows XP: Internet Protocol (TCP/IP) Properties .......................................................... 375
Figure 257 Macintosh OS 8/9: Apple Menu .......................................................................................... 376
Figure 258 Macintosh OS 8/9: TCP/IP ................................................................................................. 376
Figure 259 Macintosh OS X: Apple Menu ............................................................................................ 377
Figure 260 Macintosh OS X: Network .................................................................................................. 378
Figure 261 Red Hat 9.0: KDE: Network Configuration: Devices ......................................................... 379
Figure 262 Red Hat 9.0: KDE: Ethernet Device: General .................................................................. 379
Figure 263 Red Hat 9.0: KDE: Network Configuration: DNS ............................................................... 380
Figure 264 Red Hat 9.0: KDE: Network Configuration: Activate ........................................................ 380
Figure 265 Red Hat 9.0: Dynamic IP Address Setting in ifconfig-eth0 ............................................... 381
Figure 266 Red Hat 9.0: Static IP Address Setting in ifconfig-eth0 ................................................... 381
Figure 267 Red Hat 9.0: DNS Settings in resolv.conf ........................................................................ 381
Figure 268 Red Hat 9.0: Restart Ethernet Card ................................................................................. 381
Figure 269 Red Hat 9.0: Checking TCP/IP Properties ....................................................................... 382
Figure 270 Pop-up Blocker ................................................................................................................... 383
Figure 271 Internet Options: Privacy .................................................................................................... 384
Figure 272 Internet Options: Privacy .................................................................................................... 385
Figure 273 Pop-up Blocker Settings ..................................................................................................... 385
Figure 274 Internet Options: Security ................................................................................................... 386
Figure 275 Security Settings - Java Scripting ....................................................................................... 387
Figure 276 Security Settings - Java ...................................................................................................... 387
Figure 277 Java (Sun) .......................................................................................................................... 388
Figure 278 Network Number and Host ID ............................................................................................ 390
Figure 279 Subnetting Example: Before Subnetting ............................................................................ 392
Figure 280 Subnetting Example: After Subnetting ............................................................................... 393
Figure 281 IP Address Conflicts: Case A ............................................................................................. 397
Figure 282 IP Address Conflicts: Case B ............................................................................................. 398
Figure 283 IP Address Conflicts: Case C ............................................................................................. 398
Figure 284 IP Address Conflicts: Case D ............................................................................................. 399
Figure 285 Displaying Log Categories Example .................................................................................. 406
Figure 286 Displaying Log Parameters Example ................................................................................. 406
Figure 287 Routing Command Example .............................................................................................. 407
Figure 288 Backup Gateway ................................................................................................................ 409
Figure 289 Routing Command Example .............................................................................................. 410
Figure 290 Displaying Log Categories Example .................................................................................. 424
Figure 291 Displaying Log Parameters Example ................................................................................. 425
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P-793H User’s Guide
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