Dmz Private And Public Ip Address Example; Configuring Port Roles; Figure 62 Dmz Private And Public Address Example - ZyXEL Communications ZyWall 35 User Manual

ZyWALL 35 User's Guide

8.5 DMZ Private and Public IP Address Example

The following figure shows a network setup with both private and public IP addresses on the
DMZ. Lower case letters represent public IP addresses (like a.b.c.d for example). The LAN
port and connected computers (A through C) use private IP addresses that are in one subnet.
The DMZ port and server F use private IP addresses that are in one subnet. The private IP
addresses of the LAN and DMZ are on separate subnets. The DMZ port and connected servers
(D and E) use public IP addresses that are in one subnet. The public IP addresses of the DMZ
and WAN are on separate subnets.
Configure both DMZ and DMZ IP alias to use this kind of network setup. You also need to
configure NAT for the private DMZ IP addresses.

Figure 62 DMZ Private and Public Address Example

8.6 Configuring Port Roles

To configure a LAN/DMZ port as a LAN or DMZ port, select its radio button next to LAN or
DMZ and click Apply. Otherwise, click Reset to restore the previous configuration. The radio
buttons correspond to Ethernet ports on the front panel of the ZyWALL. By default, ports 1 to
4 are all LAN ports.
Note: Do the following if you are configuring from a computer connected to a LAN or
DMZ port and changing the port's role:
1. Make sure your computer's IP address is in the same subnet as the
ZyWALL's LAN or DMZ IP address.
2. A port's IP address varies as its role changes, use the appropriate LAN or
DMZ IP address to access the ZyWALL.
162 Chapter 8 DMZ Screens