Appendix A Troubleshooting - TP-Link TL-ER5120 Installation Manual

ACCendiA A Troubleshooting
QC1 What could I do if I forgot the username and Cassword of the router?
Connect the console port and log in the user mode of CLI. Run the command "user get", as
following:
TP-LINK > user get
Username: admin
Password: admin
TP-LINK >
For the method of how to log in the CLI, please refer to the User Guide on the resource CD.
Furthermore, you can also restore the router to factory defaults, Please refer to 1.2
Appearance of this Installation Guide for detail. The default management address of
the router is http://192.168.0.1, default username and password are both admin. All your
current settings will be cleared after the router is restored. If you have backup configuration,
please import it now.
Q11 Why does the PWR LED work abnormally?
The PWR LED should be lit up when the power system works normally. If the PWR LED
worked abnormally, please check as follows:
1. Make sure that the power cable is connected properly, and the power contact is normal.
2. Make sure the voltage of the power supply meets the requirement of the input voltage of
the router.
Q21 What could I do if I could not access the web-based configuration Cage?
You are recommended to check the following items:
1. Check every port LED on the router and make sure the cable is installed properly.
2. Try another port on the router and make sure the cable meets the requirement and works
normally.
3. Turn off the power. After a while, turn on the power again.
4. Make sure the IP address of your PC is set within the subnet of the router.
5. If you still cannot access the configuration page, please restore the router to its factory
defaults. Then the IP address should be set as 192.168.0.x ("x" is any number from 2 to
2541 and Subnet Mask as 255.255.255.0.
Q21 Why does the Cage disClay abnormally?
Please check as follows:
1. Update your browser or replace it with another browser, and try again.
2. If the pop-up is blocked, please lower the security level of the browser.
Gigabit Load Balance Broadband Router
Troubleshooting 18