ZyXEL VMG1312-B10A User Guide - Page 280

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Chapter 41 Troubleshooting 5 Reset the device to its factory defaults, and try to access the Device with the default IP address. See Section 1.6 on page 21. 6 If the problem continues, contact the network administrator or vendor, or try one of the advanced 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 Device using another service, such as Telnet. If you can access the Device, check the remote management settings and firewall rules to find out why the Device does not respond to HTTP. I can see the Login screen, but I cannot log in to the Device. 1 Make sure you have entered the password correctly. See the cover page for the default login names and associated passwords. The field is case-sensitive, so make sure [Caps Lock] is not on. 2 You cannot log in to the web configurator while someone is using Telnet to access the Device. Log out of the Device in the other session, or ask the person who is logged in to log out. 3 Turn the Device off and on. 4 If this does not work, you have to reset the device to its factory defaults. See Section 41.1 on page 278. I cannot Telnet to the Device. See the troubleshooting suggestions for I cannot see or access the Login screen in the web configurator. Ignore the suggestions about your browser. I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload new firmware. See the troubleshooting suggestions for I cannot see or access the Login screen in the web configurator. Ignore the suggestions about your browser. VMG1312-B Series User's Guide 280

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Chapter 41 Troubleshooting
VMG1312-B Series User’s Guide
280
5
Reset the device to its factory defaults, and try to access the Device with the default IP address.
See
Section 1.6 on page 21
.
6
If the problem continues, contact the network administrator or vendor, or try one of the advanced
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 Device using another service, such as Telnet. If you can access the Device,
check the remote management settings and firewall rules to find out why the Device does not
respond to HTTP.
I can see the
Login
screen, but I cannot log in to the Device.
1
Make sure you have entered the password correctly. See the cover page for the default login names
and associated passwords. The field is case-sensitive, so make sure [Caps Lock] is not on.
2
You cannot log in to the web configurator while someone is using Telnet to access the Device. Log
out of the Device in the other session, or ask the person who is logged in to log out.
3
Turn the Device off and on.
4
If this does not work, you have to reset the device to its factory defaults. See
Section 41.1 on page
278
.
I cannot Telnet to the Device.
See the troubleshooting suggestions for
I cannot see or access the Login screen in the web
configurator.
Ignore the suggestions about your browser.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload
new firmware.
See the troubleshooting suggestions for
I cannot see or access the Login screen in the web
configurator.
Ignore the suggestions about your browser.