ZyXEL nbg-4615 Betriebsanweisung

 Chapter 29 Troubleshooting

NBG4615 User’s Guide

I forgot the password.

The default password is 1234.

If this does not work, you have to reset the device to its factory defaults. See 

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

Make sure you are using the correct IP address.

• The default IP address is 

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 

Check the hardware connections, and make sure the LEDs are behaving as 
expected. See the Quick Start Guide. 

Make sure your Internet browser does not block pop-up windows and has 
JavaScript and Java enabled. See 

.

Make sure your computer is in the same subnet as the NBG4615. (If you know 
that there are routers between your computer and the NBG4615, skip this step.)

• If there is a DHCP server on your network, make sure your computer is using 

a dynamic IP address. See 

. 

• If there is no DHCP server on your network, make sure your computer’s IP 

address is in the same subnet as the NBG4615. See 

.

Reset the device to its factory defaults, and try to access the NBG4615 with the 
default IP address. See 

.

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

• Try to access the NBG4615 using another service, such as Telnet. If you can 

access the NBG4615, check the remote management settings and firewall rules 

to find out why the NBG4615 does not respond to HTTP.