ZyXEL Communications XGS2220 Series

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Chapter 80 Troubleshooting

XGS2220 Series User’s Guide

619

4 If the Switch is removed from a site in Nebula, all the settings in the configuration file are reset to the

Nebula factory defaults except for the IP address. If you changed the default dynamic IP address to a

static IP address while the Switch was in a site in Nebula, the Switch will retain that static IP address after

you remove it from the site in Nebula.

5 If this does not work, you have to reset the device to its factory defaults. See Section 4.9.2 on page 98.

I forgot the user name and/or password.

1 The default user name is admin and the default password is 1234.

2 If this does not work, you have to reset the device to its factory defaults. See Section 4.9.2 on page 98.

I cannot see or access the Login screen in the Web Configurator.

1 Make sure you are using the correct IP address.

• The default IP address is http://DHCP-assigned IP (when connecting to a DHCP server) or

192.168.1.1.

• If you changed the IP address, use the new IP address.

• If you changed the IP address and have forgotten it, see the troubleshooting suggestions for I

forgot the IP address for the Switch.

2 Check the hardware connections, and make sure the LEDs are behaving as expected. See Section 3.3

on page 53.

3 Make sure your Internet browser does not block pop-up windows and has JavaScripts and Java

enabled.

4 Make sure your computer is in the same subnet as the Switch. (If you know that there are routers

between your computer and the Switch, skip this step.)

5 Reset the device to its factory defaults, and try to access the Switch with the default IP address. See

Section 4.8 on page 97.

6 If the problem continues, contact the vendor, or try the advanced suggestion.

Advanced Suggestion

• Try to access the Switch using another service, such as Telnet. If you can access the Switch, check the

remote management settings to find out why the Switch does not respond to HTTP.

Pop-up Windows, JavaScripts and Java Permissions

In order to use the Web Configurator you need to allow:

ZyXEL Communications XGS2220 Series - Page 619