ZyXEL
CH A P T E R 18
Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description, some instructions are provided to help you to diagnose and solve the problem.
Problems Starting Up the
Table 58 Troubleshooting the
PROBLEM | CORRECTIVE ACTION |
|
|
None of the lights | Make sure you are using the supplied power adaptor and that it is plugged in to an |
turn on when I plug in | appropriate power source. Check that the power source is turned on. |
the power adaptor. | If the problem persists, you may have a hardware problem. In this case, you should contact |
| your local vendor. |
The | The supplied power to the |
reboots automatically | enough power. |
sometimes. | Make sure the power source is working properly. |
| |
|
|
Problems with the Ethernet Interface
Table 59 Troubleshooting the Ethernet Interface
PROBLEM | CORRECTIVE ACTION |
|
|
Cannot access the | If the ETHN light on the front panel is off, check the Ethernet cable connection |
between your | |
LAN. | Check for faulty Ethernet cables. |
| |
| Make sure your computer’s Ethernet adapter is installed and working properly. |
| Check the IP address of the Ethernet device. Verify that the IP address and the subnet |
| mask of the |
| subnet. |
| If you changed the IP address of your |
| |
| typing “http://zyxelXXXX” (where XXXX are the last four digits of your device’s MAC |
| address) in your browser. The MAC address can be found on the back label of your G- |
| 1000 v2. |
I cannot ping any | If the ETHN light on the front panel is off, check the Ethernet cable connections |
computer on the | between your |
LAN. | Check the Ethernet cable connections between the Ethernet device and the LAN |
| computers. |
| Check for faulty Ethernet cables. |
| Make sure the LAN computer’s Ethernet adapter is installed and working properly. |
| Verify that the IP address and the subnet mask of the |
| and the LAN computers are on the same subnet. |
Chapter 18 Troubleshooting | 131 |