User's Manual Part 1

Configuring High Availability
Chapter 5: Managing Your Network 129
2. Connect the DMZ port of Gateways A and B to hub 2.
3. Connect the LAN network computers of Gateways A and B to hub 1.
4. Connect the DMZ network computers of Gateways A and B to hub 2.
5. Do the following on Gateway A:
a. Set the gateway's internal IP addresses and network range to the
values specified in the table above.
See Changing IP Addresses on page 107.
b. Click Setup in the main menu, and click the High Availability tab.
The High Availability page appears.
c. Select the Gateway High Availability check box.
The Gateway High Availability area is enabled. The LAN and DMZ networks
are listed.
d. Next to LAN, select the HA check box.
e. In the LAN network's Virtual IP field, type the default gateway IP
address 192.168.100.3.
f. Next to DMZ, select the HA check box.
g. In the DMZ network's Virtual IP field, type the default gateway IP
address 192.168.101.3.
h. Click the Synchronization radio button next to DMZ.
i. In the My Priority field, type "100".
The high priority means that Gateway A will be the Active Gateway.
j. In the Internet - Primary field, type "20".
Gateway A will reduce its priority by 20, if its primary Internet connection
goes down.
k. In the Internet - Secondary field, type "30".