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Cisco Security Appliance Command Line Configuration Guide
OL-10088-01
Appendix B Sample Configurations
Example 11: LAN-Based Active/Standby Failover (Transparent Mode)
Example 11: LAN-Based Active/Standby Failover (Transparent
Mode)
Figure B-7 shows the network diagram for a transparent mode failover configuration using an Ethernet
failover link. The units are configured to detect unit failures and to fail over in under a second (see the
failover polltime unit command in the primary unit configuration).
Figure B-10 Transparent Mode LAN-Based Failover Configuration
See the following sections for the configurations for this scenario:
• Example 8: Primary Unit Configuration, page B-21
• Example 8: Secondary Unit Configuration, page B-22
Example 11: Primary Unit Configuration
firewall transparent
hostname pixfirewall
enable password myenablepassword
password mypassword
interface Ethernet0
nameif outside
no shutdown
interface Ethernet1
nameif inside
no shutdown
interface Ethernet2
description LAN Failover Interface
no shutdown
interface ethernet3
Internet
209.164.201.4
192.168.254.1
192.168.253.1
192.168.254.2
192.168.253.2
209.165.201.1
209.165.201.2
Switch
Switch
Switch
failover
state
Outside
Inside
Primary Unit
Secondary Unit
209.164.201.5
Web Server
153889
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