ZyXEL Communications Internet Security Gateway ZyWALL 100 - Manual (Page 314)

ZyWALL 100 Internet Security Gateway
31-2 Troubleshooting
31.2 Problems with the LAN Interface
Table 31-2 Troubleshooting the LAN Interface
PROBLEM CORRECTIVE ACTION
Check your Ethernet cable type and connections. Refer to the Rear Panel and
Connections section for LAN connection instructions. Cannot access
the ZyWALL
from the LAN.
Make sure your NIC (Network Interface Card) is installed and functioning properly.
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. Cannot ping
any computer
on the LAN.
Verify that the IP address and the subnet mask of the ZyWALL and the computers are
on the same subnet.
31.3 Problems with the DMZ Interface
Table 31-3 Troubleshooting the LAN Interface
PROBLEM CORRECTIVE ACTION
Check your Ethernet cable type and connections. Refer to the Rear Panel and
Connections section for DMZ connection instructions.
Make sure the NIC on the LAN computer and the NIC on the DMZ server are installed
and functioning properly.
Verify that the IP address of the DMZ port and the LAN port are on separate subnets.
Cannot
access
servers on the
DMZ from the
LAN.
Make sure that NAT is configured for your DMZ servers in menus 15.1 and 15.2.
Check the 10M/100M DMZ 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. Cannot ping
any computer
on the DMZ.
Verify that the IP address and the subnet mask of the ZyWALL and the servers are on
the same subnet.