ZyXEL ES-3148 Guida Utente

Chapter 37 Troubleshooting

ES-3148 User’s Guide

V

I forgot the IP address for the Switch.

1 The default out-of-band management IP address is 192.168.0.1. The default in-band 

management IP address is 192.168.1.1.

2 Use the console port to log in to the Switch.
3 Use the management port to log in to the Switch. Use the out-of-band management IP 

address.

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

.

V

I forgot the user name or password.

1 The default user name is admin, and the default password is 1234. These fields are case-

sensitive, so make sure [Caps Lock] is not on.

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

.

V

I cannot see or access the Login screen in the web configurator.

1 Make sure you are using the correct IP address.

• The default out-of-band management IP address is 

192.168.0.1

.

• The default in-band management 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 

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

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

and Java enabled. See 

.

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

Switch, check the remote management and secure client settings to find out why the 
Switch does not respond to HTTP.

6 Reset the Switch to its factory defaults, and try to access the Switch with the default IP 

address. See