User Guide
Page 11
... 26.1 Overview ...185 26.2 Power, Hardware Connections, and LEDs 185 26.3 NBG4115 Access and Login ...186 26.4 Internet Access ...188 26.5 Resetting the NBG4115 to Its Factory Defaults 189 26.6 Wireless Router/AP Troubleshooting 189 26.7 ZyXEL NetUSB Share Center Utility Problems 190 Appendix A Pop-up Windows, JavaScripts and Java Permissions 193 Appendix B IP...
... 26.1 Overview ...185 26.2 Power, Hardware Connections, and LEDs 185 26.3 NBG4115 Access and Login ...186 26.4 Internet Access ...188 26.5 Resetting the NBG4115 to Its Factory Defaults 189 26.6 Wireless Router/AP Troubleshooting 189 26.7 ZyXEL NetUSB Share Center Utility Problems 190 Appendix A Pop-up Windows, JavaScripts and Java Permissions 193 Appendix B IP...
User Guide
Page 50
... subnet as your ISP or network administrator. Select this option, skip directly to continue. Click Exit to close the wizard screen without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of a much larger organization, you should consult your.... Chapter 4 Connection Wizard 4.5.5 Your IP Address The following wizard screen allows you to assign a fixed IP address or give the NBG4115 an automatically assigned IP address depending on your broadband modem or router. If you choose this option if you were assigned a fixed IP...
... subnet as your ISP or network administrator. Select this option, skip directly to continue. Click Exit to close the wizard screen without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of a much larger organization, you should consult your.... Chapter 4 Connection Wizard 4.5.5 Your IP Address The following wizard screen allows you to assign a fixed IP address or give the NBG4115 an automatically assigned IP address depending on your broadband modem or router. If you choose this option if you were assigned a fixed IP...
User Guide
Page 130
... better to specify a range of ports on the Internet. Chapter 11 NAT 11.5 Technical Reference The following section contains additional technical information about the NBG4115 features described in this chapter. 11.5.1 NATPort Forwarding: Services and Port Numbers A port forwarding set a forwarding port in NAT to forward a service... the client side (LAN). If the default is not defined, the service request is forwarded to the server(s) on port 21. The problem is on port 80 and FTP on your account if it discovers any server processes (such as for unknown services or where one server ...
... better to specify a range of ports on the Internet. Chapter 11 NAT 11.5 Technical Reference The following section contains additional technical information about the NBG4115 features described in this chapter. 11.5.1 NATPort Forwarding: Services and Port Numbers A port forwarding set a forwarding port in NAT to forward a service... the client side (LAN). If the default is not defined, the service request is forwarded to the server(s) on port 21. The problem is on port 80 and FTP on your account if it discovers any server processes (such as for unknown services or where one server ...
User Guide
Page 131
...for that another computer on the LAN can't trigger it. Figure 78 Trigger Port Forwarding Process: Example 1 Jane requests a file from inside the NBG4115 and going to the outside. 2 If an application needs a continuous data stream, that port (range) will be tied up so that service closes..., another LAN computer's IP address. Trigger port forwarding solves this problem by allowing computers on the LAN to dynamically take turns using a port number ranging between 6970-7170. 4 The NBG4115 forwards the traffic to Jane's computer IP address. 5 Only Jane can connect to ...
...for that another computer on the LAN can't trigger it. Figure 78 Trigger Port Forwarding Process: Example 1 Jane requests a file from inside the NBG4115 and going to the outside. 2 If an application needs a continuous data stream, that port (range) will be tied up so that service closes..., another LAN computer's IP address. Trigger port forwarding solves this problem by allowing computers on the LAN to dynamically take turns using a port number ranging between 6970-7170. 4 The NBG4115 forwards the traffic to Jane's computer IP address. 5 Only Jane can connect to ...
User Guide
Page 136
..., firewalls cannot solve every security problem. They make access control decisions based on IP address and protocol. however, they may lack the granular application level access control or caching that enforces an access-control policy between the networks. The NBG4115 is a system or group of...to the Internet. They also "inspect" the session data to assure the integrity of fire from the outside world. About the NBG4115 Firewall The NBG4115's firewall feature physically separates the LAN and the WAN and acts as a mechanism used to physically separate the network into a ...
..., firewalls cannot solve every security problem. They make access control decisions based on IP address and protocol. however, they may lack the granular application level access control or caching that enforces an access-control policy between the networks. The NBG4115 is a system or group of...to the Internet. They also "inspect" the session data to assure the integrity of fire from the outside world. About the NBG4115 Firewall The NBG4115's firewall feature physically separates the LAN and the WAN and acts as a mechanism used to physically separate the network into a ...
User Guide
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... Hardware Connections, and LEDs • NBG4115 Access and Login • Internet Access • Resetting the NBG4115 to Its Factory Defaults • Wireless Router/AP Troubleshooting • ZyXEL NetUSB Share Center Utility Problems 26.2 Power, Hardware Connections, and LEDs The NBG4115 does not turn on. 1 Make... sure you are using the power adaptor or cord included with the NBG4115. 2 Make sure the power adaptor or...
... Hardware Connections, and LEDs • NBG4115 Access and Login • Internet Access • Resetting the NBG4115 to Its Factory Defaults • Wireless Router/AP Troubleshooting • ZyXEL NetUSB Share Center Utility Problems 26.2 Power, Hardware Connections, and LEDs The NBG4115 does not turn on. 1 Make... sure you are using the power adaptor or cord included with the NBG4115. 2 Make sure the power adaptor or...
User Guide
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...) and go to the Device Information table in the Status screen. Chapter 26 Troubleshooting 5 If the problem continues, contact the vendor. 26.3 NBG4115 Access and Login I don't know the IP address of my NBG4115. 1 The default IP address is 192.168.1.1. 2 If you changed the IP address (Section 9.3.... This information is only available from a DHCP server on your network. Find this does not work, you have forgotten it, you can find your NBG4115. See Section 26.5 on page 189 in most Windows computers, click Start > Run, enter cmd, and then enter ipconfig. I forgot the password....
...) and go to the Device Information table in the Status screen. Chapter 26 Troubleshooting 5 If the problem continues, contact the vendor. 26.3 NBG4115 Access and Login I don't know the IP address of my NBG4115. 1 The default IP address is 192.168.1.1. 2 If you changed the IP address (Section 9.3.... This information is only available from a DHCP server on your network. Find this does not work, you have forgotten it, you can find your NBG4115. See Section 26.5 on page 189 in most Windows computers, click Start > Run, enter cmd, and then enter ipconfig. I forgot the password....
User Guide
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...to the Web Configurator while someone is using Telnet to access the NBG4115 with the default IP address. See Section 9.3 on page 114. 6 If the problem continues, contact the network administrator or vendor, or try to access the NBG4115. The default password is in to a LAN/ETHERNET port. See...device to log out properly from your network, make sure [Caps Lock] is connected wirelessly, use a computer that there are behaving as the NBG4115. Try logging in to log out. 3 This can see the troubleshooting suggestions for I cannot log in the same subnet as Telnet. I can...
...to the Web Configurator while someone is using Telnet to access the NBG4115 with the default IP address. See Section 9.3 on page 114. 6 If the problem continues, contact the network administrator or vendor, or try to access the NBG4115. The default password is in to a LAN/ETHERNET port. See...device to log out properly from your network, make sure [Caps Lock] is connected wirelessly, use a computer that there are behaving as the NBG4115. Try logging in to log out. 3 This can see the troubleshooting suggestions for I cannot log in the same subnet as Telnet. I can...
User Guide
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... LEDs are behaving as the Internet. • Select Access Point if your ISP. If the NBG4115 is sending or receiving a lot of traffic on page 16. 2 Reboot the NBG4115. 3 If the problem continues, contact your ISP account information correctly in the Quick Start Guide again. 5 Go to ...the Internet (with the wireless network (for example, microwaves, other wireless networks, and so on the same network. 6 If the problem continues, contact your ...
... LEDs are behaving as the Internet. • Select Access Point if your ISP. If the NBG4115 is sending or receiving a lot of traffic on page 16. 2 Reboot the NBG4115. 3 If the problem continues, contact your ISP account information correctly in the Quick Start Guide again. 5 Go to ...the Internet (with the wireless network (for example, microwaves, other wireless networks, and so on the same network. 6 If the problem continues, contact your ...
User Guide
Page 189
... finish restarting, and log in to Its Factory Defaults If you reset the NBG4115, you lose all of your computer is "1234". You have made. Chapter 26 Troubleshooting 3 Reboot the NBG4115. 4 If the problem continues, contact the network administrator or vendor, or try one of your changes when you might consider activating it...
... finish restarting, and log in to Its Factory Defaults If you reset the NBG4115, you lose all of your computer is "1234". You have made. Chapter 26 Troubleshooting 3 Reboot the NBG4115. 4 If the problem continues, contact the network administrator or vendor, or try one of your changes when you might consider activating it...
User Guide
Page 190
... URL Checking section in the Keyword List is not blocked when it is checked. When you change your computer's IP address. 26.7 ZyXEL NetUSB Share Center Utility Problems I cannot open . I can access the Internet, but I can access the Web Configurator after I can still access a website that...how to change from router mode to keep the LAN secure. This is not checked by the firewall on the NBG4115. 7 Make sure you allow the NBG4115 to the NBG4115. 190 NBG4115 User's Guide Refer to Appendix C on page 215 for more information. Check your remote management settings. •...
... URL Checking section in the Keyword List is not blocked when it is checked. When you change your computer's IP address. 26.7 ZyXEL NetUSB Share Center Utility Problems I cannot open . I can access the Internet, but I can access the Web Configurator after I can still access a website that...how to change from router mode to keep the LAN secure. This is not checked by the firewall on the NBG4115. 7 Make sure you allow the NBG4115 to the NBG4115. 190 NBG4115 User's Guide Refer to Appendix C on page 215 for more information. Check your remote management settings. •...
User Guide
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... patches and updates for your operating system. 3 Check the zyxel.com download site for a newer version of the utility. I cannot install the ZyXEL NetUSB Share Center Utility. 1 Make sure that came with your computer. 6 If the problem persists, contact your cable connections. 4 Restart the NBG4115 by disconnecting the power and then reconnecting it again...
... patches and updates for your operating system. 3 Check the zyxel.com download site for a newer version of the utility. I cannot install the ZyXEL NetUSB Share Center Utility. 1 Make sure that came with your computer. 6 If the problem persists, contact your cable connections. 4 Restart the NBG4115 by disconnecting the power and then reconnecting it again...
User Guide
Page 212
... subnet mask. "BORROWED" HOST BITS SUBNET MASK NO. If this block of addresses specifically for Management of IP Address Space. 212 NBG4115 User's Guide please do not use ; You must have decided on your particular situation. If your networks are part of IP addresses...192.168.1.1) but make sure that you have a unique address. Regardless of your network administrator assigns you are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of a much larger organization, you should consult your...
... subnet mask. "BORROWED" HOST BITS SUBNET MASK NO. If this block of addresses specifically for Management of IP Address Space. 212 NBG4115 User's Guide please do not use ; You must have decided on your particular situation. If your networks are part of IP addresses...192.168.1.1) but make sure that you have a unique address. Regardless of your network administrator assigns you are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of a much larger organization, you should consult your...
User Guide
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... duplicate IP addresses on the same subnet. This problem can access the Internet. Figure 141 Conflicting Computer IP Addresses Example Conflicting Router IP Addresses Example Since a router connects different networks, it must have a unique IP address. Figure 142 Conflicting Router IP Addresses Example NBG4115 User's Guide 213 The devices may also be...
... duplicate IP addresses on the same subnet. This problem can access the Internet. Figure 141 Conflicting Computer IP Addresses Example Conflicting Router IP Addresses Example Since a router connects different networks, it must have a unique IP address. Figure 142 Conflicting Router IP Addresses Example NBG4115 User's Guide 213 The devices may also be...
User Guide
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The computer cannot access the Internet. In the following example, the computer and the router's LAN port both use the same IP address. Figure 143 Conflicting Computer and Router IP Addresses Example 214 NBG4115 User's Guide This problem can not use 192.168.1.1 as the IP address. Appendix B IP Addresses and Subnetting Conflicting Computer and Router IP Addresses Example More than one device can be solved by assigning a different IP address to the computer or the router's LAN port.
The computer cannot access the Internet. In the following example, the computer and the router's LAN port both use the same IP address. Figure 143 Conflicting Computer and Router IP Addresses Example 214 NBG4115 User's Guide This problem can not use 192.168.1.1 as the IP address. Appendix B IP Addresses and Subnetting Conflicting Computer and Router IP Addresses Example More than one device can be solved by assigning a different IP address to the computer or the router's LAN port.