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Universal Plug-and-Play UPnP

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CHAPTER 23 Universal Plug-and-Play (UPnP) 23.1 Overview This chapter introduces the UPnP feature in the web configurator. Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for simple peer-to-peer network connectivity between devices. A UPnP device can dynamically join a network, obtain an IP address, convey its capabilities and learn about other devices on the network. In turn, a device can leave a network smoothly and automatically when it is no longer in use. 23.2 What You Can Do Use the UPnP screen (Section 23.4 on page 158) to enable UPnP on your NBG-419N. 23.3 What You Need to Know UPnP hardware is identified as an icon in the Network Connections folder (Windows XP). Each UPnP compatible device installed on your network will appear as a separate icon. Selecting the icon of a UPnP device will allow you to access the information and properties of that device. 23.3.1 NAT Traversal UPnP NAT traversal automates the process of allowing an application to operate through NAT. UPnP network devices can automatically configure network addressing, announce their presence in the network to other UPnP devices and enable exchange of simple product and service descriptions. NAT traversal allows the following: • Dynamic port mapping • Learning public IP addresses • Assigning lease times to mappings Windows Messenger is an example of an application that supports NAT traversal and UPnP. See the NAT chapter for more information on NAT. NBG-419N User's Guide 157

Section	Page
NBG-419N	1
Contents Overview	3
Table of Contents	5
User’s Guide	13
Getting to Know Your NBG-419N	15
1.1 Overview	15
1.2 Applications	15
1.3 Ways to Manage the NBG-419N	15
1.4 Good Habits for Managing the NBG-419N	16
1.5 LEDs	16
1.6 Wall Mounting	17
Connection Wizard	19
2.1 Overview	19
2.2 Accessing the Wizard	19
2.3 Connect to Internet	20
2.3.1 Connection Type: DHCP	21
2.3.2 Connection Type: Static IP	21
2.3.3 Connection Type: PPPoE	22
2.3.4 Connection Type: PPTP	23
2.3.5 Connection Type: L2TP	24
2.4 Router Password	26
2.5 Wireless Security	26
2.5.1 Wireless Security: No Security	26
2.5.2 Wireless Security: WPA-PSK/WPA2-PSK	27
Introducing the Web Configurator	29
3.1 Overview	29
3.2 Accessing the Web Configurator	29
3.2.1 Login Screen	29
3.2.2 Password Screen	30
3.2.3 Home Screen	31
3.3 Resetting the NBG-419N	33
3.3.1 Procedure to Use the Reset Button	33
Monitor	35
4.1 Overview	35
4.2 What You Can Do	35
4.3 BW MGMT Monitor	35
4.4 DHCP Table	36
4.5 Packet Statistics	37
4.6 WLAN Station Status	38
NBG-419N Modes	39
5.1 Overview	39
5.1.1 Web Configurator Modes	39
5.1.2 Device Modes	39
Easy Mode	41
6.1 Overview	41
6.2 What You Can Do	42
6.3 What You Need to Know	42
6.4 Navigation Panel	43
6.5 Network Map	43
6.6 Control Panel	44
6.6.1 Game Engine	45
6.6.2 Power Saving	45
6.6.3 Content Filter	47
6.6.4 Bandwidth MGMT	47
6.6.5 Firewall	48
6.6.6 Wireless Security	48
6.6.7 WPS	50
6.7 Status Screen in Easy Mode	51
Router Mode	52
7.1 Overview	52
7.2 What You Can Do	52
7.3 Status Screen	53
7.3.1 Navigation Panel	56
Access Point Mode	59
8.1 Overview	59
8.2 What You Can Do	59
8.3 What You Need to Know	59
8.3.1 Setting your NBG-419N to AP Mode	60
8.3.2 Accessing the Web Configurator in Access Point Mode	60
8.3.3 Configuring your WLAN, Bandwidth Management and Maintenance Settings	61
8.4 AP Mode Status Screen	61
8.5 LAN Screen	63
WISP Mode	66
9.1 Overview	66
9.2 What You Can Do	66
9.3 What You Need to Know	66
9.3.1 Setting your NBG-419N to WISP Mode	67
9.3.2 Accessing the Web Configurator in WISP Mode	67
9.4 WISP Mode Status Screen	68
9.5 Wireless LAN General Screen	70
9.5.1 Static WEP	72
9.5.2 WPA(2)-PSK	73
9.5.3 Advance Screen	74
Tutorials	75
10.1 Overview	75
10.2 Connecting to the Internet from an Access Point	75
10.3 Configuring Wireless Security Using WPS	75
10.3.1 Push Button Configuration (PBC)	76
10.3.2 PIN Configuration	77
10.4 Enabling and Configuring Wireless Security (No WPS)	79
10.4.1 Configure Your Notebook	80
Technical Reference	83
Wireless LAN	85
11.1 Overview	85
11.2 What You Can Do	85
11.3 What You Should Know	86
11.3.1 Wireless Security Overview	86
11.4 General Wireless LAN Screen	88
11.4.1 No Security	89
11.4.2 WEP Encryption	90
11.4.3 WPA-PSK/WPA2-PSK	93
11.5 MAC Filter	94
11.6 Wireless LAN Advanced Screen	94
11.7 Quality of Service (QoS) Screen	96
11.8 WPS Screen	97
11.9 WPS Station Screen	98
11.10 Scheduling Screen	99
11.11 WDS Screen	100
WAN	103
12.1 Overview	103
12.2 What You Can Do	103
12.3 What You Need To Know	103
12.3.1 Configuring Your Internet Connection	104
12.3.2 Multicast	105
12.4 Internet Connection	105
12.4.1 Ethernet Encapsulation	105
12.4.2 PPPoE Encapsulation	107
12.4.3 PPTP Encapsulation	109
12.4.4 L2TP Encapsulation	112
12.5 Advanced WAN Screen	113
12.6 IGMP Snooping Screen	114
LAN	117
13.1 Overview	117
13.2 What You Can Do	117
13.3 What You Need To Know	118
13.3.1 IP Pool Setup	118
13.3.2 LAN TCP/IP	118
13.3.3 IP Alias	118
13.4 LAN IP Screen	119
13.5 IP Alias Screen	119
DHCP Server	121
14.1 Overview	121
14.2 What You Can Do	121
14.3 General Screen	121
14.4 Advanced Screen	122
Network Address Translation (NAT)	125
15.1 Overview	125
15.2 What You Can Do	125
15.3 General NAT Screen	126
15.4 NAT Application Screen	126
15.5 NAT Advanced Screen	128
15.5.1 Trigger Port Forwarding Example	130
15.5.2 Two Points To Remember About Trigger Ports	130
Dynamic DNS	131
16.1 Overview	131
16.2 What You Can Do	131
16.3 What You Need To Know	131
16.4 Dynamic DNS Screen	131
Static Route	133
17.1 Overview	133
17.2 What You Can Do	133
17.3 IP Static Route Screen	134
RIP	137
18.1 Overview	137
18.2 What You Can Do	137
18.3 RIP Screen	137
Firewall	139
19.1 Overview	139
19.2 What You Can Do	139
19.3 What You Need To Know	140
19.4 General Firewall Screen	140
19.5 Services Screen	141
Content Filter	143
20.1 Overview	143
20.2 What You Can Do	143
20.3 What You Need To Know	143
20.3.1 Content Filtering Profiles	143
20.4 Content Filter Screen	144
Bandwidth Management	147
21.1 Overview	147
21.2 What You Can Do	147
21.3 What You Need To Know	148
21.4 General Screen	148
21.5 Advanced Screen	148
21.5.1 Rule Configuration: Application Rule Configuration	151
21.5.2 Rule Configuration: User Defined Service Rule Configuration	152
21.6 Monitor Screen	153
21.6.1 Predefined Bandwidth Management Services	153
Remote Management	155
22.1 Overview	155
22.2 What You Can Do	155
22.3 What You Need to Know	155
22.3.1 Remote Management and NAT	155
22.3.2 System Timeout	156
22.4 WWW Screen	156
Universal Plug-and-Play (UPnP)	157
23.1 Overview	157
23.2 What You Can Do	157
23.3 What You Need to Know	157
23.3.1 NAT Traversal	157
23.3.2 Cautions with UPnP	158
23.4 UPnP Screen	158
23.5 Technical Refereance	158
23.5.1 Using UPnP in Windows XP Example	159
23.5.2 Web Configurator Easy Access	161
Maintenance	165
24.1 Overview	165
24.2 What You Can Do	165
24.3 General Screen	165
Password	167
25.1 Overview	167
25.2 What You Can Do	167
25.3 What You Need to Know	167
25.4 Password Screen	167
Time	169
26.1 Overview	169
26.2 What You Can Do	169
26.3 Time Setting Screen	169
Firmware Upgrade	172
27.1 Overview	172
27.2 What You Can Do	172
27.3 Firmware Upload Screen	172
Backup/Restore	174
28.1 Overview	174
28.2 What You Can Do	174
28.3 Configuration Screen	175
Reset/Restart	177
29.1 Overview	177
29.2 What You Can Do	177
29.3 Reset/Restart Screen	177
Sys OP Mode	178
30.1 Overview	178
30.2 What You Can Do	178
30.3 What You Need to Know	178
30.4 Sys Op Mode Screen	180
Troubleshooting	181
31.1 Power, Hardware Connections, and LEDs	181
31.2 NBG-419N Access and Login	182
31.3 Internet Access	183
31.4 Resetting the NBG-419N to Its Factory Defaults	185
31.5 Wireless Router/AP Troubleshooting	185
Pop-up Windows, JavaScripts and Java Permissions	187
IP Addresses and Subnetting	199
Setting Up Your Computer’s IP Address	209
Wireless LANs	237
Common Services	251
Legal Information	255

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NBG-419N User’s Guide

157

HAPTER

Universal Plug-and-Play (UPnP)

23.1

Overview

This chapter introduces the UPnP feature in the web configurator.

Universal Plug and Play (UPnP) is a distributed, open networking standard that uses TCP/IP for

simple peer-to-peer network connectivity between devices. A UPnP device can dynamically join a

network, obtain an IP address, convey its capabilities and learn about other devices on the network.

In turn, a device can leave a network smoothly and automatically when it is no longer in use.

23.2

What You Can Do

Use the UPnP screen (

Section 23.4 on page 158

) to enable UPnP on your NBG-419N.

23.3

What You Need to Know

UPnP hardware is identified as an icon in the Network Connections folder (Windows XP). Each UPnP

compatible device installed on your network will appear as a separate icon. Selecting the icon of a

UPnP device will allow you to access the information and properties of that device.

23.3.1

NAT Traversal

UPnP NAT traversal automates the process of allowing an application to operate through NAT. UPnP

network devices can automatically configure network addressing, announce their presence in the

network to other UPnP devices and enable exchange of simple product and service descriptions.

NAT traversal allows the following:

•

Dynamic port mapping

•

Learning public IP addresses

•

Assigning lease times to mappings

Windows Messenger is an example of an application that supports NAT traversal and UPnP.

See the NAT chapter for more information on NAT.