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Port Forwarding Screen

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Chapter 14 NAT The following table describes the labels in this screen. Table 50 Network > NAT > General LABEL Network Address Translation (NAT) DESCRIPTION Network Address Translation (NAT) allows the translation of an Internet protocol address used within one network (for example a private IP address used in a local network) to a different IP address known within another network (for example a public IP address used on the Internet). Apply Cancel Select Enable to activate NAT. Select Disable to turn it off. Click Apply to save your changes back to the NBG6716. Click Cancel to begin configuring this screen afresh. 14.3 Port Forwarding Screen Use this screen to forward incoming service requests to the server(s) on your local network and set a default server. You may enter a single port number or a range of port numbers to be forwarded, and the local IP address of the desired server. The port number identifies a service; for example, web service is on port 80 and FTP on port 21. In some cases, such as for unknown services or where one server can support more than one service (for example both FTP and web service), it might be better to specify a range of port numbers. In addition to the servers for specified services, NAT supports a default server. A service request that does not have a server explicitly designated for it is forwarded to the default server. If the default is not defined, the service request is simply discarded. Note: Many residential broadband ISP accounts do not allow you to run any server processes (such as a Web or FTP server) from your location. Your ISP may periodically check for servers and may suspend your account if it discovers any active services at your location. If you are unsure, refer to your ISP. Port forwarding allows you to define the local servers to which the incoming services will be forwarded. To change your NBG6716's port forwarding settings, click Network > NAT > Port Forwarding. The screen appears as shown. Note: If you do not assign a Default Server, the NBG6716 discards all packets received for ports that are not specified in this screen or remote management. Refer to Appendix C on page 237 for port numbers commonly used for particular services. 130 NBG6716 User's Guide

Section	Page
NBG6716	1
Contents Overview	3
Table of Contents	5
User’s Guide	13
Introduction	15
1.1 Overview	15
1.1.1 Dual-Band	16
1.2 Applications	16
1.3 Ways to Manage the NBG6716	16
1.4 Good Habits for Managing the NBG6716	17
1.5 Resetting the NBG6716	17
1.5.1 How to Use the RESET Button	17
1.6 The WPS Button	17
1.7 LEDs	18
1.8 Wall Mounting	20
Connection Wizard	21
2.1 Overview	21
2.2 Accessing the Wizard	21
2.3 Connect to Internet	22
2.3.1 Connection Type: IPoE	23
2.3.2 Connection Type: PPPoE	24
2.4 Router Password	26
2.5 Wireless Security	27
2.5.1 Wireless Security: No Security	27
2.5.2 Wireless Security: WPA2-PSK	28
Introducing the Web Configurator	31
3.1 Overview	31
3.2 Accessing the Web Configurator	31
3.2.1 Login Screen	31
3.2.2 Password Screen	32
NBG6716 Modes	35
4.1 Overview	35
4.1.1 Web Configurator Modes	35
4.1.2 Device Modes	35
Easy Mode	37
5.1 Overview	37
5.2 What You Can Do	38
5.3 What You Need to Know	38
5.4 Navigation Panel	39
5.5 Network Map	39
5.6 Control Panel	40
5.6.1 Power Saving	40
5.6.2 Content Filter	41
5.6.3 Firewall	42
5.6.4 Internet Setting	42
5.6.5 Wireless Security	44
5.6.6 WPS	45
5.7 Status Screen in Easy Mode	46
Router Mode	49
6.1 Overview	49
6.2 Router Mode Status Screen	49
6.2.1 Navigation Panel	52
Access Point Mode	57
7.1 Overview	57
7.2 What You Can Do	57
7.3 What You Need to Know	57
7.3.1 Setting your NBG6716 to AP Mode	58
7.3.2 Accessing the Web Configurator in Access Point Mode	58
7.3.3 Configuring your WLAN and Maintenance Settings	59
7.4 AP Mode Status Screen	59
7.4.1 Navigation Panel	61
7.5 LAN Screen	61
Tutorials	65
8.1 Overview	65
8.2 Set Up a Wireless Network with WPS	65
8.2.1 Push Button Configuration (PBC)	65
8.2.2 PIN Configuration	66
8.3 Configure Wireless Security without WPS	67
8.3.1 Configure Your Notebook	69
8.4 Using Multiple SSIDs on the NBG6716	71
8.4.1 Configuring Security Settings of Multiple SSIDs	72
Technical Reference	77
Monitor	79
9.1 Overview	79
9.2 What You Can Do	79
9.3 The Log Screen	79
9.3.1 View Log	79
9.3.2 Log Setting	80
9.4 DHCP Table	80
9.5 Packet Statistics	81
9.6 WLAN Station Status	82
WAN	85
10.1 Overview	85
10.2 What You Can Do	85
10.3 What You Need To Know	85
10.3.1 Configuring Your Internet Connection	86
10.4 Internet Connection	87
10.4.1 IPoE Encapsulation	87
10.4.2 PPPoE Encapsulation	89
10.5 Advanced WAN Screen	91
Wireless LAN	93
11.1 Overview	93
11.1.1 What You Can Do	94
11.1.2 What You Should Know	94
11.2 General Wireless LAN Screen	98
11.3 Wireless Security	100
11.3.1 No Security	100
11.3.2 WEP Encryption	101
11.3.3 WPA-PSK/WPA2-PSK	103
11.3.4 WPA/WPA2	104
11.4 More AP Screen	106
11.4.1 More AP Edit	107
11.5 MAC Filter Screen	109
11.6 Wireless LAN Advanced Screen	111
11.7 Quality of Service (QoS) Screen	111
11.8 WPS Screen	112
11.9 WPS Station Screen	114
11.10 Scheduling Screen	114
LAN	117
12.1 Overview	117
12.2 What You Can Do	117
12.3 What You Need To Know	117
12.3.1 IP Alias	118
12.4 LAN IP Screen	118
12.5 IP Alias Screen	119
DHCP Server	121
13.1 Overview	121
13.1.1 What You Can Do	121
13.1.2 What You Need To Know	121
13.2 DHCP Server General Screen	122
13.3 DHCP Server Advanced Screen	122
13.4 DHCP Client List Screen	124
NAT	127
14.1 Overview	127
14.1.1 What You Can Do	127
14.1.2 What You Need To Know	128
14.2 General	129
14.3 Port Forwarding Screen	130
14.3.1 Port Forwarding Edit Screen	132
14.4 Port Trigger Screen	133
14.5 Technical Reference	134
14.5.1 NATPort Forwarding: Services and Port Numbers	134
14.5.2 NAT Port Forwarding Example	134
14.5.3 Trigger Port Forwarding	135
14.5.4 Trigger Port Forwarding Example	135
14.5.5 Two Points To Remember About Trigger Ports	136
DDNS	137
15.1 Overview	137
15.1.1 What You Need To Know	137
15.2 General	137
Static Route	139
16.1 Overview	139
16.2 IP Static Route Screen	139
16.2.1 Add/Edit Static Route	140
Firewall	143
17.1 Overview	143
17.1.1 What You Can Do	143
17.1.2 What You Need To Know	143
17.2 General Screen	145
17.3 Services Screen	145
Content Filtering	149
18.1 Overview	149
18.1.1 What You Need To Know	149
18.2 Content Filter	149
18.3 Technical Reference	151
18.3.1 Customizing Keyword Blocking URL Checking	151
StreamBoost Management	153
19.1 Overview	153
19.2 What You Can Do	153
19.3 Network Screen	154
19.4 Banwidth Screen	154
19.5 Priorities Screen	156
19.6 Up Time Screen	156
19.7 Downloads Screen	157
19.8 All Events Screen	158
Remote Management	161
20.1 Overview	161
20.2 What You Can Do in this Chapter	161
20.3 What You Need to Know	161
20.3.1 Remote Management and NAT	162
20.3.2 System Timeout	162
20.4 WWW Screen	162
20.5 Telnet Screen	163
20.6 Wake On LAN Screen	163
Universal Plug-and-Play (UPnP)	165
21.1 Overview	165
21.2 What You Need to Know	165
21.2.1 NAT Traversal	165
21.2.2 Cautions with UPnP	165
21.3 UPnP Screen	166
21.4 Technical Reference	166
21.4.1 Using UPnP in Windows XP Example	166
21.4.2 Web Configurator Easy Access	168
USB Media Sharing	171
22.1 Overview	171
22.2 What You Can Do	172
22.3 What You Need To Know	172
22.4 Before You Begin	173
22.5 DLNA Screen	174
22.6 SAMBA Screen	174
22.7 FTP Screen	176
22.8 Example of Accessing Your Shared Files From a Computer	177
22.8.1 Use Windows Explorer to Share Files	177
22.8.2 Use FTP to Share Files	179
Maintenance	181
23.1 Overview	181
23.2 What You Can Do	181
23.3 General Screen	181
23.4 Password Screen	182
23.5 Time Setting Screen	183
23.6 Firmware Upgrade Screen	184
23.7 Configuration Backup/Restore Screen	186
23.8 Restart Screen	187
23.9 Language Screen	187
23.10 System Operation Mode Overview	188
23.11 Sys OP Mode Screen	189
Troubleshooting	191
24.1 Overview	191
24.2 Power, Hardware Connections, and LEDs	191
24.3 NBG6716 Access and Login	192
24.4 Internet Access	193
24.5 Resetting the NBG6716 to Its Factory Defaults	195
24.6 Wireless Connections	195
24.7 USB Device Problems	197
24.8 ZyXEL Share Center Utility Problems	197
Pop-up Windows, JavaScript and Java Permissions	199
Setting Up Your Computer’s IP Address	209
Common Services	237
Legal Information	241

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Chapter 14 NAT

NBG6716 User’s Guide

130

The following table describes the labels in this screen.

14.3

Port Forwarding Screen

Use this

screen to forward incoming service requests to the server(s) on your local network and set

a default server. You may enter a single port number or a range of port numbers to be forwarded,

and the local IP address of the desired server. The port number identifies a service; for example,

web service is on port 80 and FTP on port 21. In some cases, such as for unknown services or

where one server can support more than one service (for example both FTP and web service), it

might be better to specify a range of port numbers.

In addition to the servers for specified services, NAT supports a default server. A service request

that does not have a server explicitly designated for it is forwarded to the default server. If the

default is not defined, the service request is simply discarded.

Note: Many residential broadband ISP accounts do not allow you to run any server

processes (such as a Web or FTP server) from your location. Your ISP may

periodically check for servers and may suspend your account if it discovers any

active services at your location. If you are unsure, refer to your ISP.

Port forwarding allows you to define the local servers to which the incoming services will be

forwarded. To change your NBG6716’s port forwarding settings, click

Network > NAT

Port

Forwarding

. The screen appears as shown.

Note: If you do not assign a

Default Server

, the NBG6716 discards all packets received

for ports that are not specified in this screen or remote management.

Refer to

Appendix C on page 237

for port numbers commonly used for particular services.

Table 50

Network > NAT > General

LABEL

DESCRIPTION

Network Address

Translation (NAT)

Network Address Translation (NAT) allows the translation of an Internet protocol

address used within one network (for example a private IP address used in a local

network) to a different IP address known within another network (for example a public

IP address used on the Internet).

Select

Enable

to activate NAT. Select

Disable

to turn it off.

Apply

Click

Apply

to save your changes back to the NBG6716.

Cancel

Click

Cancel

to begin configuring this screen afresh.