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ZyXEL P-660RU-T3 v3 User Guide - Page 97

Network Address Translation NAT, P-660RU-Tx v3 User's Guide, How NAT Works, Inside Local

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Page 97 highlights

Chapter 10 Network Address Translation (NAT) Figure 39 How NAT Works LAN 192.168.1.13 192.168.1.12 SA 192.168.1.10 NAT Table Inside Local IP Address 192.168.1.10 192.168.1.11 192.168.1.12 192.168.1.13 Inside Public IP Address 1 2 3 4 SA 1 WAN Inside Local Address 192.168.1.11 192.168.1.10 Inside Public Address P-660RU-Tx v3 User's Guide 97

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	19
List of Tables	23
Introduction	25
Introducing the ZyXEL Device	27
1.1 Overview	27
1.2 Ways to Manage the ZyXEL Device	27
1.3 Good Habits for Managing the ZyXEL Device	28
1.4 Applications for the ZyXEL Device	28
1.4.1 Internet Access	28
1.5 LEDs (Lights)	29
1.6 The RESET Button	30
1.6.1 Using the Reset Button	30
1.7 USB Port	30
1.7.1 Installing the USB Driver in Windows	31
1.7.2 Verifying Your USB Installation	35
Introducing the Web Configurator	37
2.1 Overview	37
2.1.1 Accessing the Web Configurator	37
2.2 Web Configurator Main Screen	38
2.2.1 Navigation Panel	39
2.2.2 Main Window	40
Status	41
Device Information	43
3.1 Overview	43
3.2 The Device Info Screen	43
System Logs	45
4.1 Overview	45
4.2 The System Log Screen	45
Traffic Statistics	47
5.1 Overview	47
5.2 The Statistics Screen	47
Quick Start Wizard	49
Quick Start Wizard	51
6.1 Overview	51
6.2 Quick Start Wizard	51
Interface Setup	57
Internet Setup	59
7.1 Overview	59
7.1.1 What You Can Do in the Internet Screens	59
7.1.2 What You Need to Know About ADSL Internet Access	59
7.1.3 Before You Begin	60
7.2 The Internet Screen	61
7.2.1 Dynamic IP Address	62
7.2.2 Static IP Address	64
7.2.3 PPPoA/PPPoE	66
7.2.4 Bridge Mode	68
7.2.5 The PVCs Summary Screen	68
7.3 WAN Technical Reference	69
7.3.1 Encapsulation	69
7.3.2 Multiplexing	70
7.3.3 VPI and VCI	70
7.3.4 IP Address Assignment	70
7.3.5 Always-On Connection (PPP)	71
7.3.6 ATM QoS	71
7.3.7 ATM Traffic Classes	72
LAN Setup	73
8.1 Overview	73
8.1.1 What You Can Do in the LAN Screens	73
8.1.2 What You Need To Know About LAN	73
8.2 The LAN Screen	74
8.2.1 The DHCP IP Pool Summary Screen	76
8.3 LAN Technical Reference	77
8.3.1 LANs, WANs and the ZyXEL Device	77
8.3.2 DHCP Setup	77
8.3.3 DNS Server Addresses	78
8.3.4 LAN TCP/IP	78
8.3.5 RIP Setup	79
8.3.6 Multicast	80
Advanced Setup	81
Static Route	83
9.1 Overview	83
9.1.1 What You Can Do in the Static Route Screens	83
9.2 The Routing Table List Screen	84
9.2.1 The Static Route Screen	84
Network Address Translation (NAT)	87
10.1 Overview	87
10.1.1 What You Can Do in the NAT Screens	87
10.1.2 What You Need To Know About NAT	87
10.2 The NAT Screen	88
10.3 The DMZ Screen	89
10.4 The Virtual Server Screen	90
10.4.1 Configuring Servers Behind Port Forwarding (Example)	90
10.4.2 Configuring the Virtual Server Screen	92
10.5 The IP Address Mapping Screen	93
10.6 NAT Technical Reference	95
10.6.1 NAT Definitions	95
10.6.2 What NAT Does	96
10.6.3 How NAT Works	96
Quality of Service (QoS)	99
11.1 Overview	99
11.1.1 What You Can Do in the QoS Screens	100
11.1.2 What You Need to Know About QoS	100
11.2 The QoS Screen	101
11.2.1 The QoS Settings Summary Screen	103
11.3 QoS Technical Reference	104
11.3.1 IEEE 802.1p	104
11.3.2 IP Precedence	104
11.3.3 Automatic Priority Queue Assignment	105
ADSL	107
12.1 Overview	107
12.2 The ADSL Screen	107
Firewall	109
13.1 Overview	109
13.1.1 What You Can Do in the Firewall Screens	109
13.1.2 What You Need to Know About Firewall	109
13.2 The Firewall Screen	110
Access Management	111
Access Control	113
14.1 Access Control Overview	113
14.1.1 The Access Control Setup Screen	113
14.1.2 Access Control Interfaces	113
14.1.3 System Timeout	114
14.1.4 Configuring the Access Control Setup Screen	114
Filters	117
15.1 Overview	117
15.1.1 What You Can Do in the Filter Screens	117
15.1.2 What You Need to Know About Filtering	117
15.2 The IP/MAC Filter Screen	118
15.3 The Application Filter Screen	120
15.4 The URL Filter Screen	121
SNMP	123
16.1 Overview	123
16.1.1 Supported MIBs	124
16.2 The SNMP Screen	124
Universal Plug-and-Play (UPnP)	125
17.1 Overview	125
17.1.1 What You Can Do in the UPnP Screen	125
17.1.2 What You Need to Know About UPnP	125
17.2 The UPnP Screen	126
17.3 Installing UPnP in Windows Example	127
17.4 Using UPnP in Windows XP Example	130
Dynamic DNS Setup	137
18.1 Overview	137
18.1.1 What You Can Do in the DDNS Screen	137
18.1.2 What You Need To Know About DDNS	137
18.2 The Dynamic DNS Screen	138
CWMP	139
19.1 Overview	139
19.2 The CWMP Setup Screen	140
Maintenance	143
Administrator Settings	145
20.1 Overview	145
20.2 The Administrator Screen	145
Time Zone	147
21.1 Overview	147
21.2 The Time Zone Screen	147
Firmware	149
22.1 Overview	149
22.1.1 What You Need To Know About Firmware	149
22.1.2 Before You Begin	150
22.1.3 Firmware and Configuration Files Examples	150
22.2 The Firmware Screen	154
System Restart	157
23.1 Overview	157
23.2 The System Restart Screen	157
Diagnostic	159
24.1 Overview	159
24.2 The Diagnostic Screen	159
Troubleshooting and Product Specifications	161
Troubleshooting	163
25.1 Power, Hardware Connections, and LEDs	163
25.2 ZyXEL Device Access and Login	164
25.3 Internet Access	165
Product Specifications	167
26.1 Hardware Specifications	167
26.2 Firmware Specifications	167
26.3 Power Adaptor Specifications	170
Appendices and Index	173
Setting up Your Computer’s IP Address	175
Pop-up Windows, JavaScripts and Java Permissions	197
IP Addresses and Subnetting	205
Services	213
Legal Information	217
Customer Support	219