Cisco Firepower 2100 Series Getting Started Manual page 43

Firepower Threat Defense Deployment with FMC
f) Click OK.
Step 4 Click the edit icon ( ) for the interface that you want to use for outside.
The General tab appears.
a) Enter a Name up to 48 characters in length.
For example, name the interface outside.
b) Check the Enabled check box.
c) Leave the Mode set to None.
d) From the Security Zone drop-down list, choose an existing outside security zone or add a new one by
clicking New.
For example, add a zone called outside_zone.
e) Click the IPv4 and/or IPv6 tab.
• IPv6—Check the Autoconfiguration check box for stateless autoconfiguration.
• IPv4—Choose Use DHCP, and configure the following optional parameters:
• Obtain default route using DHCP—Obtains the default route from the DHCP server.
• DHCP route metric—Assigns an administrative distance to the learned route, between 1 and
255. The default administrative distance for the learned routes is 1.
Cisco Firepower 2100 Getting Started Guide
Configure Interfaces
41