ZyXEL Communications Nebula LTE3301-PLUS User Manual page 310

• If you changed the IP address
• If you changed the IP address and have forgotten the new address, see the troubleshooting
suggestions for
Check the hardware connections, and make sure the LEDs are behaving as expected.
2
Make sure your Internet browser does not block pop-up windows and has JavaScript and Java
3
enabled.
If it is possible to log in from another interface, check the service control settings for HTTP and HTTPS
4
(Maintenance > Remote Management).
Reset the Zyxel Device to its factory default, and try to access the Zyxel Device with the default IP
5
address.
If the problem continues, contact the network administrator or vendor, or try one of the advanced
6
suggestions.
Advanced Suggestions
• Make sure you have logged out of any earlier management sessions using the same user account
even if they were through a different interface or using a different browser.
• 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.
I cannot log into the Zyxel Device.
Make sure you have entered the user name and password correctly. The default user name is admin.
1
These both user name and password are case-sensitive, so make sure [Caps Lock] is not on.
You cannot log in to the Web Configurator while someone is using Telnet to access the Zyxel Device.
2
Log out of the Zyxel Device in the other session, or ask the person who is logged in to log out.
Turn the Zyxel Device off and on.
3
If this does not work, you have to reset the Zyxel Device to its factory default.
4
I cannot log into the Zyxel Device using DDNS.
If you connect your Zyxel Device to the Internet and it uses a dynamic WAN IP address, it is inconvenient
for you to manage the device from the Internet. The Zyxel Device's WAN IP address changes
dynamically. Dynamic DNS (DDNS) allows you to access the Zyxel Device using a domain name.
Chapter 37 Troubleshooting
(Section 9.2 on page
I do not know the IP address of the Zyxel Device.
Nebula Mobile Router User's Guide
310
164), use the new IP address.