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P-660R-T Series User’s Guide
175 Chapter 21 Network Address Translation (NAT)
Figure 110 Example 3: Menu 15.2.1
Menu 15.2.1 - NAT Server Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 0.0.0.0
2. 80 80 192.168.1.21
3. 25 25 192.168.1.20
4. 0 0 0.0.0.0
5. 0 0 0.0.0.0
6. 0 0 0.0.0.0
7. 0 0 0.0.0.0
8. 0 0 0.0.0.0
9. 0 0 0.0.0.0
10. 0 0 0.0.0.0
11. 0 0 0.0.0.0
12. 0 0 0.0.0.0
Press ENTER to Confirm or ESC to Cancel:
21.5.4 Example 4: NAT Unfriendly Application Programs
Some applications do not support NAT Mapping using TCP or UDP port address translation.
In this case it is better to use Many-to-Many No Overload mapping as port numbers do not
change for Many-to-Many No Overload (and One-to-One) NAT mapping types. The
following figure illustrates this.
Figure 111 NAT Example 4
Other applications such as some gaming programs are NAT unfriendly because they embed
addressing information in the data stream. These applications won’t work through NAT even
when using One-to-One and Many-to-Many No Overload mapping types.
Follow the steps outlined in example 3 to configure these two menus as follows.
- P-660R-T Series 1
- Copyright 2
- Federal Communications 3
- Statement 3
- Safety Warnings 4
- ZyXEL Limited Warranty 5
- Customer Support 6
- 7 Customer Support 7
- Table of Contents 8
- List of Figures 18
- List of Tables 24
- About This User's Guide 28
- Syntax Conventions 28
- Related Documentation 28
- User Guide Feedback 29
- Graphics Icons Key 29
- Introduction to DSL 30
- 31 Introduction to DSL 31
- CHAPTER 1 32
- Networking Compatibility 35
- Multiplexing 35
- Encapsulation 35
- Network Management 35
- 1.2.1 Internet Access 36
- 1.4 Front Panel LEDs 37
- CHAPTER 2 40
- 2.2 Resetting the Prestige 41
- 2.2.1 Using the Reset Button 42
- CHAPTER 3 44
- 3.1.2 Multiplexing 45
- 3.1.3 VPI and VCI 45
- Chapter 3 Wizard Setup 46 46
- 3.2.1 IP Address Assignment 47
- 3.2.3 NAT 48
- 49 Chapter 3 Wizard Setup 49
- Chapter 3 Wizard Setup 50 50
- 51 Chapter 3 Wizard Setup 51
- 3.2.5 DHCP Setup 52
- 53 Chapter 3 Wizard Setup 53
- Chapter 3 Wizard Setup 54 54
- 55 Chapter 3 Wizard Setup 55
- CHAPTER 4 56
- 57 Chapter 4 Password Setup 57
- CHAPTER 5 58
- 5.2 DNS Server Address 59
- 5.4 LAN TCP/IP 60
- 5.5 Any IP 61
- 5.5.1 How Any IP Works 62
- 5.6 Configuring LAN 63
- Chapter 5 LAN Setup 64 64
- 65 Chapter 5 LAN Setup 65
- CHAPTER 6 66
- 6.3 PPPoE Encapsulation 67
- 6.4 Traffic Shaping 67
- 6.6 Configuring WAN Setup 68
- 69 Chapter 6 WAN Setup 69
- Figure 19 WAN Setup (PPPoE) 69
- Table 12 WAN Setup 69
- Chapter 6 WAN Setup 70 70
- 6.7 Traffic Redirect 71
- 6.8 Configuring WAN Backup 72
- 73 Chapter 6 WAN Setup 73
- Figure 22 WAN Backup 73
- Table 13 WAN Backup 73
- Check WAN IP Address 74
- 75 Chapter 6 WAN Setup 75
- CHAPTER 7 76
- 7.1.2 What NAT Does 77
- 7.1.3 How NAT Works 77
- 7.1.4 NAT Application 78
- 7.1.5 NAT Mapping Types 78
- Table 15 NAT Mapping Types 79
- 7.3 SUA Server 80
- 7.4 Selecting the NAT Mode 81
- 7.5 Configuring SUA Server 82
- CHAPTER 8 88
- Figure 30 Dynamic DNS 89
- Table 21 Dynamic DNS 89
- CHAPTER 9 90
- 91 Chapter 9 Time and Date 91
- Table 22 Time and Date 91
- CHAPTER 10 92
- 10.2 Telnet 93
- 10.3 FTP 93
- 10.4 Web 93
- Figure 33 Remote Management 94
- Table 23 Remote Management 94
- CHAPTER 11 96
- 11.2 UPnP and ZyXEL 97
- P-660R-T Series User’s Guide 100
- Figure 44 System Tray Icon 104
- Network 105
- CHAPTER 12 108
- 109 Chapter 12 Maintenance 109
- Figure 49 System Status 109
- Table 25 System Status 109
- 12.2.1 System Statistics 110
- 12.3 DHCP Table Screen 111
- 12.4 Any IP Table Screen 112
- 12.5 Diagnostic Screens 113
- Chapter 12 Maintenance 114 114
- 12.6 Firmware Screen 115
- Chapter 12 Maintenance 116 116
- Figure 55 Firmware Upgrade 116
- Table 31 Firmware Upgrade 116
- 117 Chapter 12 Maintenance 117
- Figure 57 Error Message 117
- CHAPTER 13 118
- Prestige 119
- ? > or 121
- *” for each character 123
- CHAPTER 14 124
- CHAPTER 15 128
- Press ENTER to Confirm 129
- CHAPTER 16 132
- Figure 66 133
- CHAPTER 17 136
- 17.4 IP Alias Setup 137
- 17.5 Route IP Setup 138
- Menu 4 Internet Access Setup 140
- CHAPTER 18 142
- 18.4 Remote Node Filter 148
- Figure 78 Internet Security 149
- 18.5.3 Advance Setup Options 152
- CHAPTER 19 154
- CHAPTER 20 158
- CHAPTER 21 162
- 21.3 NAT Setup 164
- 21.3.1.3 Ordering Your Rules 167
- 21.5 General NAT Examples 170
- Figure 104 NAT Example 2 171
- Figure 106 NAT Example 3 173
- Figure 111 NAT Example 4 175
- CHAPTER 22 178
- Filter Rule 179
- Filter Set 179
- 22.4.1 TCP/IP Filter Rule 182
- 22.4.2 Generic Filter Rule 185
- 22.5 Filter Types and NAT 187
- 22.6 Example Filter 187
- 22.7.1 Ethernet Traffic 190
- 22.7.2 Remote Node Filters 190
- CHAPTER 23 192
- 23.2 Supported MIBs 193
- 23.3 SNMP Configuration 193
- 23.4 SNMP Traps 194
- CHAPTER 24 196
- 24.3 System Information 198
- 24.3.2 Console Port Speed 199
- 24.4 Log and Trace 200
- 24.4.2 Syslog and Accounting 201
- 24.5 Diagnostic 203
- CHAPTER 25 206
- 25.2 Backup Configuration 207
- 25.2.4 GUI-based FTP Clients 209
- 25.2.7 TFTP Command Example 210
- 25.3 Restore Configuration 211
- 25.4.1 Firmware File Upload 213
- 25.4.5 TFTP File Upload 215
- CHAPTER 26 218
- 26.2 Call Control Support 219
- 26.3 Time and Date Setting 220
- 26.3.1 Resetting the Time 221
- CHAPTER 27 224
- 27.4 System Timeout 226
- CHAPTER 28 228
- 28.4 IP Routing Policy Setup 229
- 28.5 Applying an IP Policy 232
- IP=0.0.0.0 235
- CHAPTER 29 238
- CHAPTER 30 242
- Figure 166 Pop-up Blocker 247
- Figure 168 Internet Options 248
- 30.9.1.2 JavaScripts 249
- 3 Scroll down to Scripting 250
- 30.9.1.3 Java Permissions 251
- 30.9.1.3.1 JAVA (Sun) 252
- Figure 173 Java (Sun) 253
- Appendix A 254
- Product Specifications 254
- 255 Appendix A 255
- Table 85 Firmware 255
- 257 Appendix A 257
- Appendix B 258
- Installing Components 259
- Configuring 260
- Windows 2000/NT/XP 261
- Macintosh OS 8/9 266
- Macintosh OS X 268
- Verifying Settings 269
- Using Configuration Files 271
- Appendix C 274
- IP Subnetting 274
- Subnet Masks 275
- Subnetting 275
- Example: Two Subnets 276
- 277 Appendix C IP Subnetting 277
- Table 91 Subnet 1 277
- Table 92 Subnet 2 277
- Example: Four Subnets 278
- Example Eight Subnets 279
- Appendix C IP Subnetting 280 280
- 281 Appendix C IP Subnetting 281
- Appendix D 282
- Splitters and Microfilters 282
- Prestige With ISDN 283
- Appendix E 286
- Command Interpreter 286
- Appendix F 288
- Log Descriptions 288
- Table 103 CDR Logs 290
- Table 104 PPP Logs 290
- Table 105 ICMP Notes 290
- Appendix G 292
- How PPPoE Works 293
- Prestige as a PPPoE Client 293
- APPENDIX H 294
- Numerics 296
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