Table of Contents Failover IP Freebsd Configuration on the Server Failover IP Freebsd Configuration on the Server Failover IP Freebsd This documentation explains how to configure a failover IP on servers installed with FreeBSD. Configuration on the Server 1. Open the configuration file of your main IP (/etc/rc.conf) in a text editor 2. Add the following line: ifconfig_em0_alias0="inet NEWIP netmask 255.255.255.255" The configuration file should look like this example: ifconfig_em0="inet OLDIP netmask 255.255.255.0" defaultrouter="OLDIP" sshd_enable="YES" ntpd_enable="YES" ntpd_sync_on_start="YES" syslogd_flags="-ss" fsck_y_enable="YES" ifconfig_em0_alias0="inet NEWIP netmask 255.255.255.255" 3. Save the changes and close the file 4. Restart the networking: /etc/rc.d/netif restart && /etc/rc.d/routing restart