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Chapter 61 Troubleshooting
XMG1915 Series User’s Guide
374
I cannot see or access the Login screen in the Web Configurator.
1 Make sure you are using the correct IP address.
• If you changed the IP address and have forgotten it, see the troubleshooting suggestions for I forgot
the IP address for the Switch.
2 Check the hardware connections, and make sure the LEDs are behaving as expected. See Section 3.3
on page 47.
3 Make sure your Internet browser does not block pop-up windows and has JavaScripts and Java
enabled.
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 Reset the device to its factory defaults, and try to access the Switch with the default IP address. See
Section 4.7 on page 76.
6 If the problem continues, contact Zyxel technical support, or try the advanced suggestion.
Advanced Suggestion
• Try to access the Switch using another service, such as Telnet. If you can access the Switch, check the
remote management settings to find out why the Switch does not respond to HTTP.
Pop-up Windows, JavaScripts and Java Permissions
In order to use the Web Configurator you need to allow:
• Web browser pop-up windows from your device.
• JavaScripts (enabled by default).
• Java permissions (enabled by default).
There is unauthorized access to my Switch through telnet, HTTP and SSH.
Go to the MONITOR > System Log screen to check for logs of unauthorized access to your Switch. To
avoid unauthorized access, configure the secured client setting in the SECURITY > Access Control >
Remote Management screen for telnet, HTTP and SSH (see Section 55.3 on page 319). Computers not
belonging to the secured client set cannot get permission to access the Switch.
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