ZyXEL Communications 2002 Series Guia do Utilizador descarregar pdf (Página 93)

Prestige 650HW ADSL Router User’s Guide

NAT 7-3

Figure 7-1 How NAT Works

7.1.4 NAT Application

The following figure illustrates a possible NAT application, where three inside LANs (logical LANs using

IP Alias) behind the Prestige can communicate with three distinct WAN networks. More examples follow at

the end of this chapter.

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 209 210

Prestige 650HW 1
Copyright 2
(FCC) Interference Statement 3
ZyXEL Limited Warranty 4
Customer Support 5
Table of Contents 6
List of Figures 11
List of Tables 14
Preface 16
What is DSL? 18
Getting Started 19
Chapter 1 21
• Protocol Support 23
• Other PPPoE Features 25
• Diagnostics Capabilities 25
1.3.1 Internet Access 26
Chapter 2 29
2.2.1 DSL Port 31
2.4 P650HW with POTS 32
2.4.2 Telephone Microfilters 33
2.5 P650HW With ISDN 34
2.7.3 Entering Password 35
2.8 Resetting the Prestige 36
2.11 General Setup 40
2.11.1 Dynamic DNS 41
2.12 LAN Setup 43
Chapter 3 45
Internet Access 45
3.3 TCP/IP Parameters 46
3.3.2 Private IP Addresses 47
3.3.3 RIP Setup 47
3.3.4 DHCP Configuration 48
3.4 IP Multicast 49
3.5 IP Policies 49
3.6 IP Alias 49
3.6.1 IP Alias Setup 50
3.7 Route IP Setup 52
Internet Access 3-9 53
3.9 Wireless LAN 55
3.9.2 Wireless LAN Setup 57
3-14 Internet Access 58
Internet Access 3-15 59
3.10 Internet Access Setup 60
3.11 VPI and VCI 60
3.12 Multiplexing 60
3.13 Encapsulation 60
3.14 IP Address Assignment 61
3.15.1 Traffic Shaping 63
Internet Access 3-21 65
Advanced Applications 67
Chapter 4 69
Remote Node Configuration 69
4.2 Remote Node Setup 75
4.3 Remote Node Filter 77
Chapter 5 79
5.1.2 IP Static Route Setup 83
FIELD DESCRIPTION 85
Chapter 6 87
Bridging Setup 87
Bridging Setup 6-3 89
Chapter 7 91
7.1.2 What NAT Does 92
7.1.3 How NAT Works 92
7.1.4 NAT Application 93
7.1.5 NAT Mapping Types 94
7.2 Using NAT 96
7.3 NAT Setup 98
NAT 7-9 99
SUA Address Mapping Set 99
FIELD DESCRIPTION EXAMPLE 101
7.5 General NAT Examples 108
7-22 NAT 112
NAT 7-23 113
NAT 7-27 117
Chapter 8 120
Filter Configuration 120
Outgoing 121
Initiate call 121
Filter Rule 122
Filter Set 122
8-6 Filter Configuration 125
8-8 Filter Configuration 127
8.3.1 TCP/IP Filter Rule 128
Filter Configuration 8-11 130
Filter Configuration 8-13 132
8.3.2 Generic Filter Rule 133
Filter Configuration 8-15 134
8.4 Filter Types and NAT 135
8.5 Example Filter 135
8.6.1 Ethernet Traffic 139
8.6.2 Remote Node Filters 139
Chapter 9 142
SNMP Configuration 142
9.2 Supported MIBs 143
9.3 SNMP Configuration 143
9.4 SNMP Traps 145
Chapter 10 146
10.2 System Information 148
10.2.1 System Information 149
10.3 Log and Trace 150
10.3.2 Syslog and Accounting 151
PARAMETER DESCRIPTION 152
PPP Log 152
10.4 Diagnostic 153
Chapter 11 154
Maintenance 154
11.2 Backup Configuration 155
COMMAND DESCRIPTION 157
11.2.4 Example: TFTP Command 158
11.3 Restore Configuration 159
11.4.1 Firmware Upload 160
11.4.4 TFTP File Upload 162
11.4.5 Example: TFTP Command 163
Chapter 12 164
12.2 Call Control Support 165
12.3 Time and Date Setting 167
12.3.1 Resetting the Time 168
Chapter 13 170
IP Policy Routing 170
IP Policy Routing 13-3 172
13.5 Applying an IP Policy 174
13-6 IP Policy Routing 175
Chapter 14 180
Call Scheduling 180
Chapter 15 184
Remote Management 184
15.6 System Timeout 187
Additional Information 188
Chapter 16 190
Troubleshooting 190
16-2 Troubleshooting 191
16.6 Problems with Telnet 192
Appendix A 194
Wireless LAN and IEEE 802.11 194
Appendix B 197
Appendix C 199
Virtual Circuit Topology 199
Appendix D 200
Appendix E 201

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