ZyXEL Communications P-2602HWLNI User Manual

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Chapter 28 Troubleshooting

P-2602HWLNI User’s Guide

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5 Reset the device to its factory defaults, and try to access the ZyXEL Device with the

default IP address. See

6 If 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.

1 Make sure you have entered the user name and password correctly. The default password

is 1234. These fields are case-sensitive, so make sure [Caps Lock] is not on.

2 You 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.

3 Turn the ZyXEL Device off and on.
4 If this does not work, you have to reset the device to its factory defaults. See

I cannot Telnet to the ZyXEL Device.

See the troubleshooting suggestions for

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

Ignore the suggestions about your browser.