Chapter 21 Troubleshooting

6If the problem continues, contact the network administrator or vendor, or try one of the advanced suggestions.

Advanced Suggestions

•Try to access the ZyXEL Device using another service, such as Telnet. If you can access the ZyXEL Device, check the remote management settings and firewall rules to find out why the ZyXEL Device 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 ZyXEL Device.

1Make sure you have entered the password correctly. The default password is 1234. This field is case-sensitive, so make sure [Caps Lock] is not on.

2You cannot log in to the web configurator while someone is using Telnet to access the ZyXEL Device. Log out of the ZyXEL Device in the other session, or ask the person who is logged in to log out.

3Disconnect and re-connect the power adaptor or cord to the ZyXEL Device.

4If this does not work, you have to reset the device to its factory defaults. See Section 21.4 on page 199.

I cannot Telnet to the ZyXEL Device.

See the troubleshooting suggestions for I cannot see or access the Login screen in the web configurator. Ignore the suggestions about your browser.

I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload new firmware.

See the troubleshooting suggestions for I cannot see or access the Login screen in the web configurator. Ignore the suggestions about your browser.

21.3 Internet Access

I cannot access the Internet.

 

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ZyXEL NBG-334SH User’s Guide