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ZyWALL 30W
10
Test Your Internet Connection
Launch your web browser and navigate to www.zyxel.com. You don’t need a dial-up program such as Dial
Up Networking. Internet access is just the beginning. Refer to the User’s Guide for more detailed
information on the complete range of ZyWALL features.
Troubleshooting
PROBLEM CORRECTIVE ACTION
None of the
LEDs turn on
when you turn
on the ZyWALL.
Make sure that you have the correct power adaptor connected to the ZyWALL and plugged in to an
appropriate power source. Check all cable connections.
If the LEDs still do not turn on, you may have a hardware problem. In this case, you should contact
your local vendor.
Cannot access
the ZyWALL
from the LAN.
Check the cable connection between the ZyWALL and your computer or hub. Refer to the Rear Panel
section for details.
Ping the ZyWALL from a LAN computer. Make sure your computer Ethernet card is installed and
functioning properly.
Cannot ping any
computer on the
LAN.
If the 10/100M LAN LEDs are off, check the cable connections between the ZyWALL and your LAN
computers.
Verify that the IP address and subnet mask of the ZyWALL and the LAN computers are in the same
IP address range.
The WAN IP is provided after the ISP verifies the MAC address, host name or user ID.
Find out the verification method used by your ISP and configure the corresponding fields.
If the ISP checks the WAN MAC address, you should clone the MAC address from a LAN computer.
Click WAN and then the MAC tab, select Spoof this Computer's MAC address - IP Address and
enter the IP address of the computer on the LAN whose MAC address you are cloning.
If the ISP checks the host name, enter your computer’s name (refer to the Wizard Setup section in the
User’s Guide) in the System Name field in the first screen of the WIZARD.
Cannot get a
WAN IP address
from the ISP.
If the ISP checks the user ID, click WAN and then the ISP tab. Check your service type, user name,
and password.
Check the ZyWALL’s connection to the cable/DSL device.
Check whether your cable/DSL device requires a crossover or straight-through cable.
Cannot access
the Internet.
Click WAN and verify your settings.