ZyXEL Communications 70 Series - Manual (Page 652)

ZyWALL 5/35/70 Series User’s Guide
Chapter 52 Troubleshooting 652
C
H A P T E R
52
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.
52.1 Problems Starting Up the ZyWALL
52.2 Problems with the LAN Interface
Table 243 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.
Cannot access the
ZyWALL via the
console port.
1. Check to see if the ZyWALL is connected to your computer's console port.
2. Check to see if the
communications program is
configured correctly. The
communications software
should be configured as
follows:
VT100 terminal emulation
9600 bps is the default speed on leaving the
factory. Try other speeds in case the speed has
been changed.
No parity, 8 data bits, 1 stop bit, data flow set to
none.
Table 244 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.