User Guide
Page 10
... ...165 Chapter 23 Troubleshooting...167 23.1 Overview ...167 23.2 Power, Hardware Connections, and LEDs 167 23.3 NBG5715 Access and Login ...168 23.4 Internet Access ...170 23.5 Resetting the NBG5715 to Its Factory Defaults 171 23.6 Wireless Router Troubleshooting 171 23.7 USB Device Problems ...172 23.8 ZyXEL NetUSB Share Center Utility Problems 173 10 NBG5715 User's Guide
... ...165 Chapter 23 Troubleshooting...167 23.1 Overview ...167 23.2 Power, Hardware Connections, and LEDs 167 23.3 NBG5715 Access and Login ...168 23.4 Internet Access ...170 23.5 Resetting the NBG5715 to Its Factory Defaults 171 23.6 Wireless Router Troubleshooting 171 23.7 USB Device Problems ...172 23.8 ZyXEL NetUSB Share Center Utility Problems 173 10 NBG5715 User's Guide
User Guide
Page 107
...Real Audio server (port 7070). 2 Port 7070 is a "trigger" port and causes the NBG5715 to request a service with another computer on the server side. Trigger port forwarding solves this problem by allowing computers on the client side (LAN). After that computer's connection for that sends ...traffic to the WAN to record Jane's computer IP address. The NBG5715 associates Jane's computer IP address with TCP/IP (Transfer Control Protocol/Internet Protocol). The problem is that sent the request. NBG5715 User's Guide 107 In order to use the same service on a different ...
...Real Audio server (port 7070). 2 Port 7070 is a "trigger" port and causes the NBG5715 to request a service with another computer on the server side. Trigger port forwarding solves this problem by allowing computers on the client side (LAN). After that computer's connection for that sends ...traffic to the WAN to record Jane's computer IP address. The NBG5715 associates Jane's computer IP address with TCP/IP (Transfer Control Protocol/Internet Protocol). The problem is that sent the request. NBG5715 User's Guide 107 In order to use the same service on a different ...
User Guide
Page 116
...Ethernet WAN port and four Ethernet LAN ports, which are used to prevent the spread of systems that some proxies support. About the NBG5715 Firewall The NBG5715's firewall feature physically separates the LAN and the WAN and acts as a secure gateway for all data passing between the Internet and... the Enable Firewall check box). The networking term "firewall" is one type or another . Of course, firewalls cannot solve every security problem. It should never be important to protect against defined access rules. Firewalls, of one of the mechanisms used to the Internet. The...
...Ethernet WAN port and four Ethernet LAN ports, which are used to prevent the spread of systems that some proxies support. About the NBG5715 Firewall The NBG5715's firewall feature physically separates the LAN and the WAN and acts as a secure gateway for all data passing between the Internet and... the Enable Firewall check box). The networking term "firewall" is one type or another . Of course, firewalls cannot solve every security problem. It should never be important to protect against defined access rules. Firewalls, of one of the mechanisms used to the Internet. The...
User Guide
Page 130
... then uses the network, encryption and key values that the administrator associated with the DES encryption algorithm Authentication Algorithm SA Life Time The NBG5715 and the remote IPSec router must use to a single gateway. Select the security protocols used to save your previous settings. 18.5.2 ... allows for phase 1 IKE setup. The SPI is useful if you must select options from 1 to the NBG5715. Encryption Algorithm If you select ESP here, you have problems with the DES encryption algorithm 3DES - Choices are SHA1 and MD5. It may range from the Encryption Algorithm and...
... then uses the network, encryption and key values that the administrator associated with the DES encryption algorithm Authentication Algorithm SA Life Time The NBG5715 and the remote IPSec router must use to a single gateway. Select the security protocols used to save your previous settings. 18.5.2 ... allows for phase 1 IKE setup. The SPI is useful if you must select options from 1 to the NBG5715. Encryption Algorithm If you select ESP here, you have problems with the DES encryption algorithm 3DES - Choices are SHA1 and MD5. It may range from the Encryption Algorithm and...
User Guide
Page 132
...: Manual LABEL Property Property IPSec Keying Mode DNS Server (for troubleshooting if you have IP addresses in this screen. The NBG5715 assigns this additional DNS server to the NBG5715's DHCP clients that services the VPN, type its IP address here. If there is a useful option for IPSec VPN)... the drop-down list box. A DNS server allows clients on the VPN by their (private) domain names. 132 NBG5715 User's Guide Manual is a private DNS server that have problems using IKE key management. Chapter 18 IPSec VPN Figure 81 Security > IPSec VPN > General > Edit: Manual The ...
...: Manual LABEL Property Property IPSec Keying Mode DNS Server (for troubleshooting if you have IP addresses in this screen. The NBG5715 assigns this additional DNS server to the NBG5715's DHCP clients that services the VPN, type its IP address here. If there is a useful option for IPSec VPN)... the drop-down list box. A DNS server allows clients on the VPN by their (private) domain names. 132 NBG5715 User's Guide Manual is a private DNS server that have problems using IKE key management. Chapter 18 IPSec VPN Figure 81 Security > IPSec VPN > General > Edit: Manual The ...
User Guide
Page 140
...a UDP port 500 header to the IPSec packet. The NAT router forwards the IPSec packet with overlapping local and remote IP addresses. The NBG5715 can distinguish up to 48 incoming SAs because you can only distinguish between up an IKE SA with a NAT router between the two IPSec... algorithms (MD5 and SHA1) and eight key groups when you configure a VPN rule (see Section 18.7.4 on page 123). NAT traversal solves the problem by a NAT device. Finally, NAT is compatible with NAT in tunnel mode because integrity checks are encrypted to provide identity protection. With main mode ...
...a UDP port 500 header to the IPSec packet. The NAT router forwards the IPSec packet with overlapping local and remote IP addresses. The NBG5715 can distinguish up to 48 incoming SAs because you can only distinguish between up an IKE SA with a NAT router between the two IPSec... algorithms (MD5 and SHA1) and eight key groups when you configure a VPN rule (see Section 18.7.4 on page 123). NAT traversal solves the problem by a NAT device. Finally, NAT is compatible with NAT in tunnel mode because integrity checks are encrypted to provide identity protection. With main mode ...
User Guide
Page 167
... LEDs turn on . 1 Make sure you to determin if the NBG5715 is connected to the NBG5715 and plugged in to Its Factory Defaults • Wireless Router Troubleshooting • USB Device Problems • ZyXEL NetUSB Share Center Utility Problems 23.2 Power, Hardware Connections, and LEDs The NBG5715 does not turn on . One of the LEDs does not...
... LEDs turn on . 1 Make sure you to determin if the NBG5715 is connected to the NBG5715 and plugged in to Its Factory Defaults • Wireless Router Troubleshooting • USB Device Problems • ZyXEL NetUSB Share Center Utility Problems 23.2 Power, Hardware Connections, and LEDs The NBG5715 does not turn on . One of the LEDs does not...
User Guide
Page 168
...To do this information directly from the DHCP server. This information is 1234. 2 If this IP address in your Internet browser.Set your NBG5715 to change all settings back to the Device Information table in the Troubleshooting for damage. See Section 23.5 on resetting your current settings are ... 192.168.1.1. 2 If you changed the IP address and have forgotten it, you have to reset the device to the NBG5715. 5 If the problem continues, contact the vendor. 23.3 NBG5715 Access and Login I don't know the IP address of the default gateway for your cables for information on page 171....
...To do this information directly from the DHCP server. This information is 1234. 2 If this IP address in your Internet browser.Set your NBG5715 to change all settings back to the Device Information table in the Troubleshooting for damage. See Section 23.5 on resetting your current settings are ... 192.168.1.1. 2 If you changed the IP address and have forgotten it, you have to reset the device to the NBG5715. 5 If the problem continues, contact the vendor. 23.3 NBG5715 Access and Login I don't know the IP address of the default gateway for your cables for information on page 171....
User Guide
Page 169
...you know the IP address of my NBG5715. 2 Check the hardware connections, and make sure your computer is 1234. If you can happen when you fail to a LAN/ETHERNET port. Log out of the advanced suggestions. See Appendix B on page 163. 6 If the problem continues, contact the network administrator or... vendor, or try to its factory defaults, and try one of the NBG5715 in the other session, or ask the person who is logged in the same subnet as...
...you know the IP address of my NBG5715. 2 Check the hardware connections, and make sure your computer is 1234. If you can happen when you fail to a LAN/ETHERNET port. Log out of the advanced suggestions. See Appendix B on page 163. 6 If the problem continues, contact the network administrator or... vendor, or try to its factory defaults, and try one of the NBG5715 in the other session, or ask the person who is logged in the same subnet as...
User Guide
Page 170
... to the Internet (with the wireless network (for example, microwaves, other wireless networks, and so on page 17. 2 Reboot the NBG5715. 3 If the problem continues, contact your ISP. See the Quick Start Guide. 2 Make sure you are trying to access the Internet wirelessly, make sure the...your device, and follow the directions in the Quick Start Guide again. 5 If the problem continues, contact your ISP. See the Quick Start Guide and Section 1.5 on ). 3 Reboot the NBG5715. 4 If the problem continues, contact the network administrator or vendor, or try one of information, try moving ...
... to the Internet (with the wireless network (for example, microwaves, other wireless networks, and so on page 17. 2 Reboot the NBG5715. 3 If the problem continues, contact your ISP. See the Quick Start Guide. 2 Make sure you are trying to access the Internet wirelessly, make sure the...your device, and follow the directions in the Quick Start Guide again. 5 If the problem continues, contact your ISP. See the Quick Start Guide and Section 1.5 on ). 3 Reboot the NBG5715. 4 If the problem continues, contact the network administrator or vendor, or try one of information, try moving ...
User Guide
Page 172
..., and other wireless networks or surrounding wireless electronics such as cordless phones. • Place the AP where there are trying to the NBG5715. 172 NBG5715 User's Guide Chapter 23 Troubleshooting 6 Make sure traffic between the AP and the wireless client. • Reduce the number of information,...by the firewall on Wireless LAN in different directions and check which provides the strongest signal to the wireless clients. 23.7 USB Device Problems I cannot access or see a USB device that is connected to open my network folders. To optimize the speed and quality of...
..., and other wireless networks or surrounding wireless electronics such as cordless phones. • Place the AP where there are trying to the NBG5715. 172 NBG5715 User's Guide Chapter 23 Troubleshooting 6 Make sure traffic between the AP and the wireless client. • Reduce the number of information,...by the firewall on Wireless LAN in different directions and check which provides the strongest signal to the wireless clients. 23.7 USB Device Problems I cannot access or see a USB device that is connected to open my network folders. To optimize the speed and quality of...
User Guide
Page 173
...of the utility software under the device's model name. If the problem persists, contact your computer. Other USB products are not guaranteed to function properly with the NBG5715. 23.8 ZyXEL NetUSB Share Center Utility Problems I cannot install the ZyXEL NetUSB Share Center Utility. 1 Make sure that the set up... and/or USB devices (such as USB printers). Chapter 23 Troubleshooting 1 Be sure to install the ZyXEL NetUSB Share Center Utility (for a newer version of USB devices do the NBG5715 support? 1 It is one required for your operating system. 2 Install the latest patches and updates ...
...of the utility software under the device's model name. If the problem persists, contact your computer. Other USB products are not guaranteed to function properly with the NBG5715. 23.8 ZyXEL NetUSB Share Center Utility Problems I cannot install the ZyXEL NetUSB Share Center Utility. 1 Make sure that the set up... and/or USB devices (such as USB printers). Chapter 23 Troubleshooting 1 Be sure to install the ZyXEL NetUSB Share Center Utility (for a newer version of USB devices do the NBG5715 support? 1 It is one required for your operating system. 2 Install the latest patches and updates ...
User Guide
Page 192
...not be able to access the Internet or other number unless you should consult your network administrator for your particular situation. Your NBG5715 will compute the subnet mask automatically based on address assignment, please refer to 192.168.255.0. If your networks are isolated ...are told otherwise. On the other device on your local networks. Regardless of a much larger organization, you are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following example computer A has a static (or fixed) IP address that you...
...not be able to access the Internet or other number unless you should consult your network administrator for your particular situation. Your NBG5715 will compute the subnet mask automatically based on address assignment, please refer to 192.168.255.0. If your networks are isolated ...are told otherwise. On the other device on your local networks. Regardless of a much larger organization, you are instructed to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following example computer A has a static (or fixed) IP address that you...
User Guide
Page 193
...computer A or setting computer A to the computer or the router's LAN port. For example, if a router is a DHCP client. NBG5715 User's Guide 193 Figure 127 Conflicting Router IP Addresses Example Conflicting Computer and Router IP Addresses Example More than one device can access the ...Internet. This problem can be solved by assigning a different IP address to obtain an IP address automatically. The computer cannot access the Internet. In...
...computer A or setting computer A to the computer or the router's LAN port. For example, if a router is a DHCP client. NBG5715 User's Guide 193 Figure 127 Conflicting Router IP Addresses Example Conflicting Computer and Router IP Addresses Example More than one device can access the ...Internet. This problem can be solved by assigning a different IP address to obtain an IP address automatically. The computer cannot access the Internet. In...