ZyXEL G-560 User’s Guide
A-2 Troubleshooting
Chart A-2 Troubleshooting the Ethernet Interface
PROBLEM CORRECTIVE
ACTION
I cannot ping any
computer on the
LAN.
If the
ETHN
LED on the front panel is off, check the Ethernet cable connections
between your G-560 and the Ethernet device.
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 G-560, the Ethernet device
and the LAN computers are on the same subnet.
Problems with the Password
Chart A-3 Troubleshooting the Password
PROBLEM CORRECTIVE
ACTION
I cannot access
the G-560.
The
Password
and
Username
fields are case-sensitive. Make sure that you enter
the correct password and username using the proper casing.
Use the
RESET
button on the rear panel of the G-560 to restore the factory default
configuration file (hold this button in for about 10 seconds or release the button when
the
PWR
LED starts blinking). This will restore all of the factory defaults including the
password.
Problems with Telnet
Chart A-4 Troubleshooting Telnet
PROBLEM CORRECTIVE
ACTION
I cannot access
the G-560 through
Telnet.
Refer to the
Problems with the Ethernet Interface
section for instructions on checking
your Ethernet connection.