ZyXEL Communications ZYWALL 5 - 42.5 Problems with Internet Access; 42.6 Problems with Remote Management; 42.7 Problems Accessing the ZyWALL

ZyWALL 5 User’s Guide
Chapter 42 Troubleshooting 523
CHAPTER 42
Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description,
some instructions are provided to help you to diagnose and to solve the problem. Please see
our included disk for further information.
42.1 Problems Starting Up the ZyWALL
42.2 Problems with the LAN Interface
Table 199 Troubleshooting the Start-Up of Your ZyWALL
PROBLEM CORRECTIVE ACTION
None of the LEDs
turn on when you
turn on the
ZyWALL.
Make sure that you have the included power adaptor or cord connected to the
ZyWALL and to an appropriate power source.
If the error persists, you may have a hardware problem. In this case, you should
contact your vendor.
Table 200 Troubleshooting the LAN Interface
PROBLEM CORRECTIVE ACTION
Cannot access the
ZyWALL from the
LAN.
Check your Ethernet cable type and connections. Refer to the Quick Start Guide
for LAN connection instructions.
Make sure the computer's Ethernet adapter is installed and functioning properly.
Cannot ping any
computer on the
LAN.
Check the 10M/100M LAN LEDs on the front panel. One of these LEDs should
be on. If they are both off, check the cables between your ZyWALL and hub or
the station.
Verify that the IP address and the subnet mask of the ZyWALL and the
computers are on the same subnet.