ZyXEL Communications 10 User Manual

Page of 10
ZyWALL 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 adapter 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 to verify your settings.