ZyXEL NXC5200 User Guide - Page 544
Cannot access the NXC from the LAN., I cannot access the Internet., I cannot update the anti-virus
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Chapter 39 Troubleshooting Cannot access the NXC from the LAN. • Check the cable connection between the NXC and your computer or switch. • Ping the NXC from a LAN computer. Make sure your computer's Ethernet card is installed and functioning properly. Also make sure that its IP address is in the same subnet as the NXC's. • In the computer, click Start > Programs > Accessories and then Command Prompt. In the Command Prompt window, type "ping" followed by the NXC's LAN IP address (192.168.1.1 is the default) and then press [ENTER]. The NXC should reply. • If you've forgotten the NXC's password, use the RESET button. Press the button in for about 5 seconds (or until the PWR LED starts to blink), then release it. It returns the NXC to the factory defaults (password is 1234, LAN IP address 192.168.1.1 etc.; see your User's Guide for details). • If you've forgotten the NXC's IP address, you can use the commands through the console port to check it. Connect your computer to the CONSOLE port using a console cable. Your computer should have a terminal emulation communications program (such as HyperTerminal) set to VT100 terminal emulation, no parity, 8 data bits, 1 stop bit, no flow control and 115200 bps port speed. I cannot access the Internet. • Check the NXC's connection to the Ethernet jack with Internet access. Make sure the Internet gateway device (such as a DSL modem) is working properly. • If the NXC is operating in its default bridge mode, ensure that that the DHCP that is connected to it is properly configured to assign IP addresses. • Check the NXC's security settings and/or interface and VLAN settings to ensure you have not inadvertantly excluded your client device from accessing the network or the Internet. I cannot update the anti-virus signatures. • Make sure your NXC has the anti-virus service registered and that the license is not expired. Purchase a new license if the license is expired. • Make sure your NXC is connected to the Internet. 544 NXC5200 User's Guide