ZyXEL Communications NBG410W3G User Manual
Page 341
Chapter 21 Troubleshooting
NBG410W3G Series User’s Guide
341
• If there is a DHCP server on your network, make sure your computer is using a
dynamic IP address. See
. Your ZyXEL Device is a DHCP
server by default.
6 Reset the device to its factory defaults, and try to access the ZyXEL Device with the
default IP address. See
.
7 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 port.
• You may also need to clear your Internet browser’s cache.
In Internet Explorer, click Tools and then Internet Options to open the Internet Options
screen.
In the General tab, click Delete Files. In the pop-up window, select the Delete all offline
content check box and click OK. Click OK in the Internet Options screen to close it.
• If you disconnect your computer from one device and connect it to another device that has
the same IP address, your computer’s ARP (Address Resolution Protocol) table may
contain an entry that maps the management IP address to the previous device’s MAC
address).
In Windows, use arp -d at the command prompt to delete all entries in your computer’s
ARP table.
V
I can see the Login screen, but I cannot log in to the ZyXEL Device.
1 Make sure you have entered the 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, or the console
port 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 or disconnect and re-connect the power adaptor or
cord to the ZyXEL Device.
4 If this does not work, you have to reset the device to its factory defaults. See
.
V
I cannot Telnet to the ZyXEL Device.
See the troubleshooting suggestions for
I cannot see or access the Login screen in the web
Ignore the suggestions about your browser.