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Network Address Translation NAT Screens, P-660RU-T v2 User's Guide

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Chapter 12 Network Address Translation (NAT) Screens The following table describes the labels in this screen. Table 25 Address Mapping Rule Edit LABEL DESCRIPTION Type Choose the port mapping type from one of the following. • One-to-One: One-to-One mode maps one local IP address to one global IP address. Note that port numbers do not change for One-to-one NAT mapping type. • Many-to-One: Many-to-One mode maps multiple local IP addresses to one global IP address. This is equivalent to SUA (i.e., PAT, port address translation), ZyXEL's Single User Account feature that previous ZyXEL routers supported only. • Many-to-Many Overload: Many-to-Many Overload mode maps multiple local IP addresses to shared global IP addresses. • Many-to-Many No Overload: Many-to-Many No Overload mode maps each local IP address to unique global IP addresses. • Server: This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world. Local Start IP This is the starting local IP address (ILA). Local IP addresses are N/A for Server port mapping. Local End IP This is the end local IP address (ILA). If your rule is for all local IP addresses, then enter 0.0.0.0 as the Local Start IP address and 255.255.255.255 as the Local End IP address. This field is N/A for One-to-One and Server mapping types. Global Start IP This is the starting global IP address (IGA). Enter 0.0.0.0 here if you have a dynamic IP address from your ISP. Global End IP This is the ending global IP address (IGA). This field is N/A for One-to-One, Manyto-One and Server mapping types. Server Mapping Only available when Type is set to Server. Set Select a number from the drop-down menu to choose a server set from the NAT - Address Mapping Rules screen. Edit Details Click this link to go to the NAT - Edit SUA/NAT Server Set screen to edit a server set that you have selected in the Server Mapping Set field. Apply Click Apply to save your changes back to the ZyXEL Device. Cancel Click Cancel to return to the previously saved settings. Delete Click Delete to exit this screen without saving. 100 P-660RU-T v2 User's Guide

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	17
List of Tables	21
Introduction	23
Introducing the ZyXEL Device	25
1.1 Overview	25
1.2 Ways to Manage the ZyXEL Device	26
1.3 Good Habits for Managing the ZyXEL Device	27
1.4 ZyXEL Device Hardware Installation and Connection	27
1.5 LEDs	27
Introducing the Web Configurator	29
2.1 Web Configurator Overview	29
2.1.1 Accessing the ZyXEL Device Web Configurator	29
2.2 Resetting the ZyXEL Device	30
2.3 Navigating the ZyXEL Device Web Configurator	31
2.4 The Site Map Screen	32
Wizard	35
Wizard Setup	37
3.1 Introduction	37
3.1.1 Encapsulation	37
3.1.2 Multiplexing	38
3.1.3 VPI and VCI	38
3.1.4 Internet Access Wizard Setup: First Screen	38
3.2 IP Address and Subnet Mask	39
3.2.1 IP Address Assignment	39
3.2.2 Nailed-Up Connection (PPP)	40
3.2.3 NAT	41
3.2.4 Internet Access Wizard Setup: Second Screen	41
3.2.5 DHCP Setup	45
3.2.6 Internet Access Wizard Setup: Third Screen	45
3.2.7 Internet Access Wizard Setup: Connection Test	46
Advanced	49
Password Setup	51
4.1 Password Overview	51
4.1.1 Configuring Password	51
LAN Setup	53
5.1 LAN Overview	53
5.1.1 LANs, WANs and the ZyXEL Device	53
5.2 DNS Server Addresses	54
5.3 LAN TCP/IP	54
5.3.1 Factory LAN Defaults	54
5.3.2 IP Address and Subnet Mask	54
5.3.3 RIP Setup	55
5.3.4 Multicast	55
5.4 Any IP	56
5.4.1 How Any IP Works	56
5.5 Configuring the LAN	57
WAN Setup	59
6.1 WAN Overview	59
6.2 Metric	59
6.3 PPPoE Encapsulation	60
6.4 Traffic Shaping	60
6.5 Zero Configuration Internet Access	61
6.6 Configuring WAN Setup	61
6.7 Traffic Redirect	64
6.8 Configuring WAN Backup	65
Security	69
7.1 Configuring Internet Security	69
Dynamic DNS Setup	71
8.1 Dynamic DNS	71
8.1.1 DYNDNS Wildcard	71
8.2 Configuring Dynamic DNS	71
Time and Date	73
9.1 Configuring Time and Date	73
Remote Management Configuration	75
10.1 Remote Management Overview	75
10.1.1 Remote Management Limitations	75
10.1.2 Remote Management and NAT	76
10.1.3 System Timeout	76
10.2 Telnet	76
10.3 FTP	76
10.4 Web	76
10.5 Configuring Remote Management	76
Universal Plug-and-Play (UPnP)	79
11.1 Introducing Universal Plug and Play (UPnP)	79
11.1.1 How do I know if I'm using UPnP?	79
11.1.2 NAT Traversal	79
11.1.3 Cautions with UPnP	79
11.2 UPnP and ZyXEL	80
11.2.1 Configuring UPnP	80
11.3 Installing UPnP in Windows	80
11.3.1 Installing UPnP in Windows Me	81
11.3.2 Installing UPnP in Windows XP	82
11.4 Using UPnP in Windows XP: Example	84
11.4.1 Web Configurator Easy Access	87
Network Address Translation (NAT) Screens	91
12.1 NAT Overview	91
12.1.1 NAT Definitions	91
12.1.2 What NAT Does	92
12.1.3 How NAT Works	92
12.1.4 NAT Application	93
12.1.5 NAT Mapping Types	93
12.2 SUA (Single User Account) Versus NAT	94
12.3 SUA Server	95
12.3.1 Default Server IP Address	95
12.3.2 Port Forwarding: Services and Port Numbers	95
12.3.3 Configuring Servers Behind SUA (Example)	96
12.4 Selecting the NAT Mode	96
12.5 Configuring SUA Server	97
12.6 Configuring Address Mapping	98
12.7 Editing an Address Mapping Rule	99
Maintenance and Troubleshooting	101
Maintenance	103
13.1 Maintenance Overview	103
13.2 System Status Screen	103
13.2.1 System Statistics	105
13.3 DHCP Table Screen	106
13.4 Any IP Table Screen	107
13.5 Diagnostic Screens	108
13.5.1 Diagnostic General Screen	108
13.5.2 Diagnostic DSL Line Screen	109
13.6 Firmware Screen	110
13.7 Configuration Screen	111
13.7.1 Backup Configuration	112
13.7.2 Restore Configuration	112
13.7.3 Reset to Factory Defaults	114
Troubleshooting	115
14.1 Power, Hardware Connections, and LEDs	115
14.2 ZyXEL Device Access and Login	116
14.3 Internet Access	117
Appendices and Index	119
Product Specifications	121
Setting up Your Computer’s IP Address	125
IP Addresses and Subnetting	141
Pop-up Windows, JavaScripts and Java Permissions	149
Virtual Circuit Topology	155
Legal Information	157
Customer Support	161

Match case Limit results 1 per page

Chapter 12 Network Address Translation (NAT) Screens

P-660RU-T v2 User’s Guide

100

The following table describes the labels in this screen.

Table 25

Address Mapping Rule Edit

LABEL

DESCRIPTION

Type

Choose the port mapping type from one of the following.

•

One-to-One

: One-to-One mode maps one local IP address to one global IP

address. Note that port numbers do not change for One-to-one NAT mapping

type.

•

Many-to-One

: Many-to-One mode maps multiple local IP addresses to one

global IP address. This is equivalent to SUA (i.e., PAT, port address translation),

ZyXEL's Single User Account feature that previous ZyXEL routers supported

only.

•

Many-to-Many Overload

: Many-to-Many Overload mode maps multiple local IP

addresses to shared global IP addresses.

•

Many-to-Many No Overload

: Many-to-Many No Overload mode maps each

local IP address to unique global IP addresses.

•

Server

: This type allows you to specify inside servers of different services behind

the NAT to be accessible to the outside world.

Local Start IP

This is the starting local IP address (ILA). Local IP addresses are

N/A

for

Server

port

mapping.

Local End IP

This is the end local IP address (ILA). If your rule is for all local IP addresses, then

enter 0.0.0.0 as the

Local Start IP

address and 255.255.255.255 as the

Local End

address.

This field is

N/A

for

One-to-One

and

Server

mapping types.

Global Start IP

This is the starting global IP address (IGA). Enter 0.0.0.0 here if you have a dynamic

IP address from your ISP.

Global End IP

This is the ending global IP address (IGA). This field is

N/A

for

One-to-One

Many-

to-One

and

Server

mapping types.

Server Mapping

Set

Only available when

Type

is set to

Server

Select a number from the drop-down menu to choose a server set from the

NAT -

Address Mapping Rules

screen.

Edit Details

Click this link to go to the

NAT - Edit SUA/NAT Server Set

screen to edit a server

set that you have selected in the

Server Mapping Set

field.

Apply

Click

Apply

to save your changes back to the ZyXEL Device.

Cancel

Click

Cancel

to return to the previously saved settings.

Delete

Click

Delete

to exit this screen without saving.