Zyxel-communications NBG4115 Uživatelský manuál stáhnout pdf (Strana 203)

Chapter 24 Troubleshooting

User’s Guide

203

I forgot the password.

1 The default password is 1234.

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

Section 24.5 on page 206.

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 192.168.1.1.

• If you changed the IP address (Section 7.3 on page 102), use the new IP

address.

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

suggestions for I don’t know the IP address of my NBG4115.

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

expected. See the Quick Start Guide.

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

JavaScripts and Java enabled. See Appendix B on page 215.

4 Make sure your computer is in the same subnet as the NBG4115. (If you know

that there are routers between your computer and the NBG4115, skip this step.)

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

a dynamic IP address. See Section 7.3 on page 102.

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

address is in the same subnet as the NBG4115. See Section 7.3 on page 102.

5 Reset the device to its factory defaults, and try to access the NBG4115 with the

default IP address. See Section 7.3 on page 102.

6 If the problem continues, contact the network administrator or vendor, or try one

of the advanced suggestions.

Advanced Suggestions

• Try to access the NBG4115 using another service, such as Telnet. If you can

access the NBG4115, check the remote management settings and firewall rules

to find out why the NBG4115 does not respond to HTTP.

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Zyxel-communications NBG4115 Uživatelský manuál Strana 203