3 – Configuration 35

Run DHCP?

6c. IP Address

You will reach this option if you rejected use of dynamic IP address services. Enter the static IP address and subnet mask of the exter- nal network interface.

The IP address for the external network interface should be a valid ISP-registered IP address if you will be connecting your firewall to the Internet.

7.Network Interface Card for the External, Protected Network or PSN Select an available NIC to assign to the external interface. Use F2 or the SPACE BAR to select from the device list. Each NIC detected on your system is listed at the bottom of the screen with its MAC address.

Note

All networks or sub-networks attached to a firewall interface should be on logically different networks from one another.

Selecting a Network Interface Card

8. Protected Network Interface

Use steps 6b, 6c, and 7 to select DHCP and NIC or assign a static IP address, subnet and NIC for the protected interface. (The protected interface is required: it defines hosts protected by the firewall.)

If you are setting up a new network, GTA recommends choosing network addresses described in RFC 1918. The Internet Assign-

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Global Technology Associates GBWA200501-01 manual Run DHCP?