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Resetting the NBG2105 to Its Factory Defaults

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Chapter 17 Troubleshooting 3 If the NBG2105 is in Router or WISP+UR mode make sure you entered your ISP account information correctly in the wizard or the WAN screen. These fields are case-sensitive, so make sure [Caps Lock] is not on. 4 If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless client are the same as the settings in the AP. 5 Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again. 6 If the problem continues, contact your ISP. I cannot access the Internet anymore. I had access to the Internet (with the NBG2105), but my Internet connection is not available anymore. 1 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide and Section 1.8.1 on page 17. 2 Reboot the NBG2105. 3 If the problem continues, contact your ISP. The Internet connection is slow or intermittent. 1 There might be a lot of traffic on the network. Look at the LEDs, and check Section 1.8.1 on page 17. If the NBG2105 is sending or receiving a lot of information, try closing some programs that use the Internet, especially peer-to-peer applications. 2 Check the signal strength. If the signal strength is low, try moving the NBG2105 closer to the AP if possible, and look around to see if there are any devices that might be interfering with the wireless network (for example, microwaves, other wireless networks, and so on). 3 Reboot the NBG2105. 4 If the problem continues, contact the network administrator or vendor, or try one of the advanced suggestions. Advanced Suggestion • Check the settings for QoS. If it is disabled, you might consider activating it. 17.5 Resetting the NBG2105 to Its Factory Defaults If you reset the NBG2105, you lose all of the changes you have made. The NBG2105 re-loads its default settings, and the password resets to 1234. You have to make all of your changes again. 124 NBG2105 User's Guide

Section	Page
Contents Overview	3
Table of Contents	5
Introduction	13
1.1 Overview	13
1.2 Applications	13
1.3 Ways to Manage the NBG2105	13
1.4 Good Habits for Managing the NBG2105	13
1.5 Resetting the NBG2105	14
1.5.1 How to Use the RESET Button	14
1.6 The WPS Button	14
1.7 The Clone MAC Button	15
1.7.1 Cloning a computer's MAC address	15
1.7.2 Restoring the default MAC address	15
1.8 General Hardware Features	16
1.8.1 LEDs	17
Introducing the Web Configurator	19
2.1 Overview	19
2.2 Accessing the Web Configurator	19
2.2.1 Login Screen	20
Operation Modes	21
3.1 Overview	21
3.2 What You Can Do	21
3.3 Router Mode	21
3.3.1 Setting Router Mode	22
3.3.2 Navigation Panel	22
3.4 Access Point Mode	24
3.4.1 Setting Access Point Mode	25
3.4.2 Navigation Panel	25
3.5 Client Mode	27
3.5.1 Setting Client Mode	27
3.5.2 Navigation Panel	27
3.6 WISP + UR Mode	29
3.6.1 Setting WISP + UR Mode	29
3.6.2 Navigation Panel	29
Router Setup Wizard	33
4.1 Overview	33
4.2 Welcome Screen	33
4.3 WAN Interface Setup	33
4.3.1 WAN Access Type: Static IP	34
4.3.2 WAN Access Type: DHCP Client	34
4.3.3 WAN Access Type: PPPoE	35
4.4 Wireless Network Name (SSID) Setup	36
4.5 Wireless Security	36
4.5.1 Encryption: None	37
4.5.2 Encryption: WEP	37
4.5.3 Encryption: WPA-PSK, WPA2-PSK or WPA2-PSK Mixed	38
AP Setup Wizard	41
5.1 Overview	41
5.2 Welcome Screen	41
5.3 Wireless Network Name (SSID) Setup	41
5.4 Wireless Security	42
5.4.1 Encryption: None	42
5.4.2 Encryption: WEP	43
5.4.3 Encryption: WPA-PSK, WPA2-PSK or WPA2-PSK Mixed	44
Client Setup Wizard	45
6.1 Overview	45
6.2 Welcome Screen	45
6.3 Wireless Network Name Setup	45
6.4 Wireless Security	47
6.4.1 Encryption: None	47
6.4.2 Encryption: WEP	47
6.4.3 Encryption: WPA-PSK or WPA2-PSK	48
WISP+UR Setup Wizard	51
7.1 Overview	51
7.2 Welcome Screen	51
7.3 WAN Interface Setup	51
7.3.1 Static IP	51
7.3.2 DHCP Client	52
7.3.3 PPPoE	53
7.4 Wireless Network Name Setup	54
7.5 Wireless Security	55
7.5.1 Encryption: None	55
7.5.2 Encryption: WEP	56
7.5.3 Encryption: WPA-PSK or WPA2-PSK	56
Tutorials	59
8.1 Overview	59
8.2 Set Up a Wireless Network with WPS	59
8.2.1 Push Button Configuration (PBC)	59
8.2.2 PIN Configuration	60
8.3 Configure Wireless Security without WPS	61
8.3.1 Configure Your Notebook	63
LAN	69
9.1 Overview	69
9.2 What You Can Do	69
9.3 What You Need To Know	69
9.3.1 IP Pool Setup	70
9.3.2 LAN TCP/IP	70
9.4 LAN Interface Setup Screen	70
9.4.1 Active DHCP Client Screen	71
WAN	73
10.1 Overview	73
10.2 What You Can Do	73
10.3 What You Need To Know	73
10.3.1 Configuring Your Internet Connection	73
10.4 WAN Interface Setup	74
10.4.1 Static IP	74
10.4.2 DHCP Client	75
10.4.3 PPPoE	76
Quality of Service (QoS)	79
11.1 Overview	79
11.2 QoS Setup Screen	79
Dynamic DNS (DDNS)	81
12.1 Overview	81
12.2 What You Need To Know	81
12.3 Dynamic DNS	81
Wireless LAN	83
13.1 Overview	83
13.1.1 What You Can Do	83
13.1.2 What You Should Know	84
13.2 Wireless Basic Screen	86
13.3 Active Wireless Clients Screen	87
13.4 Advanced Wireless Settings Screen	88
13.5 Wireless Security	89
13.5.1 Disabled	89
13.5.2 WEP Encryption	90
13.5.3 WPA-PSK/WPA2-PSK/WPA2-PSK Mixed	91
13.6 Site Survey Screen	92
13.7 Site Survey: Wireless Security	93
13.7.1 None	93
13.7.2 WEP Encryption	93
13.7.3 WPA-PSK/WPA2-PSK Encryption	94
13.8 WPS Screen	95
13.9 MAC Filtering Screen	97
Firewall	99
14.1 Overview	99
14.2 What You Can Do	99
14.3 What You Need To Know	99
14.4 Port Filtering Screen	100
14.5 IP Filtering Screen	101
14.6 MAC Filtering Screen	101
14.7 URL Filtering Screen	102
Management	105
15.1 Overview	105
15.2 What You Can Do	105
15.3 NTP Screen	105
15.4 Password Screen	106
15.5 Upgrade Firmware Screen	107
15.6 Backup/Restore Screen	108
15.7 Router Operation Mode Screen	109
15.8 Language Screen	109
15.9 Restart Screen	110
Status	111
16.1 Overview	111
16.2 What You Can Do	111
16.3 Status Screen	111
16.3.1 Router Mode	111
16.3.2 AP Mode	113
16.3.3 Client Mode	114
16.3.4 WISP+UR Mode	115
16.4 Statistics Screen	117
16.5 System Log Screen	118
Troubleshooting	121
17.1 Overview	121
17.2 Power, Hardware Connections, and LEDs	121
17.3 NBG2105 Access and Login	122
17.4 Internet Access	123
17.5 Resetting the NBG2105 to Its Factory Defaults	124
17.6 Wireless LAN Connections	125
Pop-up Windows, JavaScript and Java Permissions	127
Legal Information	137

Match case Limit results 1 per page

Chapter 17 Troubleshooting

NBG2105 User’s Guide

124

If the NBG2105 is in

Router

WISP+UR

mode make sure you entered your ISP account

information correctly in the wizard or the WAN screen. These fields are case-sensitive, so make

sure [Caps Lock] is not on.

If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless

client are the same as the settings in the AP.

Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.

If the problem continues, contact your ISP.

I cannot access the Internet anymore. I had access to the Internet (with the NBG2105), but

my Internet connection is not available anymore.

Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick

Start Guide and

Section 1.8.1 on page 17

Reboot the NBG2105.

If the problem continues, contact your ISP.

The Internet connection is slow or intermittent.

There might be a lot of traffic on the network. Look at the LEDs, and check

Section 1.8.1 on page

. If the NBG2105 is sending or receiving a lot of information, try closing some programs that use

the Internet, especially peer-to-peer applications.

Check the signal strength. If the signal strength is low, try moving the NBG2105 closer to the AP if

possible, and look around to see if there are any devices that might be interfering with the wireless

network (for example, microwaves, other wireless networks, and so on).

Reboot the NBG2105.

If the problem continues, contact the network administrator or vendor, or try one of the advanced

suggestions.

Advanced Suggestion

•

Check the settings for QoS. If it is disabled, you might consider activating it.

17.5

Resetting the NBG2105 to Its Factory Defaults

If you reset the NBG2105, you lose all of the changes you have made. The NBG2105 re-loads its

default settings, and the password resets to

1234

. You have to make all of your changes again.