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Internet Access

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Chapter 14 Troubleshooting Advanced Suggestions • Try to access the NBG7815 using another service, such as Telnet. If you can access the NBG7815, check the remote management settings and firewall rules to find out why the NBG7815 does not respond to HTTP. • If your computer is connected to the WAN port or is connected wirelessly, use a computer that is connected to a LAN/ETHERNET port. I can see the Login screen, but I cannot log in to the NBG7815. • This can happen when you fail to log out properly from your last session. Try logging in again after 5 minutes. • Disconnect and re-connect the power adaptor or cord to the NBG7815. • If this does not work, you have to reset the device to its factory defaults. See Section 14.5 on page 147. 14.4 Internet Access I cannot access the Internet. • Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide. • Go to Expert > Maintenance > Operation Mode. Check your System Operation Mode setting. If the NBG7815 is in Standard Mode, make sure the WAN port is connected to a broadband modem or router with Internet access. Your computer and the NBG7815 should be in the same subnet. If the NBG7815 is in Bridge Mode, make sure the WAN port is connected to a broadband modem or router with Internet access and your computer is set to obtain an dynamic IP address. • If the NBG7815 is in Standard 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 NBG7815), 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 1.7 on page 14. • Reboot the NBG7815. NBG7815 User's Guide 146

Section	Page
ARMOR G5	1
Document Conventions	3
Contents Overview	4
Table of Contents	5
User’s Guide	10
Introduction	11
1.1 Overview	11
1.1.1 Multi-Gigabit	11
1.2 Applications	11
1.3 Ways to Manage the NBG7815	12
1.4 Good Habits for Managing the NBG7815	13
1.5 Resetting the NBG7815	13
1.5.1 How to Use the RESET Button	13
1.6 The WPS Button	13
1.7 LEDs	14
1.8 Desk Mounting	15
1.9 Wall Mounting	15
Wizard	17
2.1 Overview	17
2.2 Accessing the Wizard	17
The Web Configurator	27
3.1 Overview	27
3.2 Accessing the Web Configurator	27
3.3 Navigation Panel	30
3.3.1 Standard Mode Navigation Panel	31
3.3.2 Bridge Mode Navigation Panel	33
NBG7815 Modes	35
4.1 Overview	35
4.2 Modes	35
Standard Mode	37
5.1 Overview	37
5.2 What You Can Do	37
5.3 Standard Mode Status Screen	37
Bridge Mode	40
6.1 Overview	40
6.2 What You Can Do	40
6.3 Setting your NBG7815 to Bridge Mode	40
6.3.1 Accessing the Web Configurator in Bridge Mode	41
6.4 Bridge Mode Status Screen	42
Tutorials	43
7.1 Overview	43
7.2 Run a Speed Test	43
7.3 Configure the NBG7815’s WiFi Networks	44
7.4 Enable or Disable a WiFi Network	47
7.5 Add Clients to a Profile	48
7.6 Set a Profile’s WiFi Schedule	49
7.7 Pause or Resume Internet Access on a Profile	51
7.8 Turn on or off the NBG7815’s LED (Light)	51
7.9 Change Your NBG7815 Operating Mode	52
7.10 Configure a Port Forwarding Rule	53
Technical Reference	56
Applications	57
8.1 Overview	57
8.1.1 What You Can Do	57
8.1.2 What You Need To Know	57
8.1.3 Before You Begin	58
8.2 Parental Control	58
8.2.1 Device Screen	58
8.3 OpenVPN Server/Client	62
8.3.1 OpenVPN Server Screen	62
8.3.2 OpenVPN Account Screen	64
8.3.3 OpenVPN Client Screen	66
8.4 USB Application	68
8.4.1 SAMBA Server Screen	68
8.4.2 FTP Server Screen	70
8.4.3 USB Media Sharing Screen	72
8.5 Access Your Shared Files From a Computer	74
8.5.1 Using Windows Explorer	74
8.5.2 Using FTP Program	75
WAN	78
9.1 Overview	78
9.2 What You Can Do	78
9.3 What You Need To Know	79
9.3.1 Configuring Your Internet Connection	79
9.4 Internet Connection Screen	80
9.4.1 IPoE Encapsulation	80
9.4.2 PPPoE Encapsulation	83
9.4.3 PPTP Encapsulation	86
9.5 NAT & Port Forwarding Screen	89
9.5.1 Add Port Forwarding Rule Screen	91
9.6 Passthrough Screen	92
9.7 Port Trigger Screen	94
9.7.1 Add Port Trigger Rule Screen	95
9.8 Dynamic DNS Screen	96
9.9 UPnP Screen	97
9.9.1 Turning On UPnP in Windows 7 Example	98
9.9.2 Turning on UPnP in Windows 10 Example	101
Wireless LAN	104
10.1 Overview	104
10.1.1 What You Can Do	104
10.1.2 What You Should Know	105
10.2 Main WiFi Screen	108
10.3 Guest WiFi Screen	111
10.4 MAC Filter Screen	112
10.4.1 Add MAC Address Screen	113
10.5 WPS Screen	113
10.6 Scheduling Screen	115
LAN	116
11.1 Overview	116
11.2 What You Can Do	116
11.3 What You Need To Know	116
11.4 LAN IP Screen	117
11.4.1 Static DHCP Table-Add/Edit Rule Screen	120
11.4.2 Configure LAN Screen in Bridge Mode	122
11.5 IPv6 LAN Screen	123
Security	126
12.1 Overview	126
12.1.1 What You Can Do	126
12.1.2 What You Need To Know	126
12.2 IPv4 Firewall Screen	127
12.2.1 IPv4 Firewall-Add Rule Screen	129
12.3 IPv6 Firewall Screen	130
12.3.1 IPv6 Firewall-Add Rule Screen	131
System	133
13.1 Overview	133
13.2 What You Can Do	133
13.3 Status Screen	133
13.4 General Setting Screen	136
13.5 Remote Access Screen	138
13.6 Maintenance Screen	139
13.7 Operating Mode Screen	140
13.8 Logs Screen	142
Troubleshooting	144
14.1 Overview	144
14.2 Power, Hardware Connections, and LEDs	144
14.3 NBG7815 Access and Login	145
14.4 Internet Access	146
14.5 Resetting the NBG7815 to Its Factory Defaults	147
14.6 Wireless Connections	147
14.7 USB Device Problems	149
Customer Support	150
Setting Up Your Computer’s IP Address	156
Common Services	175
Legal Information	178

Match case Limit results 1 per page

Chapter 14 Troubleshooting

NBG7815 User’s Guide

146

Advanced Suggestions

•

Try to access the NBG7815 using another service, such as Telnet. If you can access the NBG7815,

check the remote management settings and firewall rules to find out why the NBG7815 does not

respond to HTTP.

•

If your computer is connected to the

WAN

port or is connected wirelessly, use a computer that is

connected to a

LAN

ETHERNET

port.

I can see the

screen, but I cannot log in to the NBG7815.

•

This can happen when you fail to log out properly from your last session. Try logging in again after 5

minutes.

•

Disconnect and re-connect the power adaptor or cord to the NBG7815.

•

If this does not work, you have to reset the device to its factory defaults. See

Section 14.5 on page

147

14.4

Internet Access

I cannot access the Internet.

•

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

Start Guide.

•

Go to

Expert

Maintenance > Operation Mode

. Check your System Operation Mode setting.

If the NBG7815 is in

Standard Mode

, make sure the WAN port is connected to a broadband modem

or router with Internet access. Your computer and the NBG7815 should be in the same subnet.

If the NBG7815 is in

Bridge Mode

, make sure the WAN port is connected to a broadband modem or

router with Internet access and your computer is set to obtain an dynamic IP address.

•

If the NBG7815 is in

Standard 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 NBG7815), 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 1.7 on page 14

•

Reboot the NBG7815.