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How to configure a failover IP on FreeBSD

Reviewed on 07 October 2023Published on 29 July 2021

This page shows you how to configure a failover IP on Dedibox servers running on FreeBSD.

Requirements
  • You have an account and are logged into the Dedibox console
  • You have created a Dedibox dedicated server

Failover IP configuration on FreeBSD

  1. Connect to your server using SSH.

  2. Open the network configuration file in a text editor, for example nano:

    nano /etc/rc.conf
  3. Add the following line to the file, replace FAILOVER_IP with your failover IP address:

    ifconfig_em0_alias0="inet FAILOVER_IP netmask 255.255.255.255"

    Your modified configuration file should look like the following example:

    ifconfig_em0="inet IP_ADDRESS netmask 255.255.255.0"
    defaultrouter="IP_ADDRESS"
    sshd_enable="YES"
    ntpd_enable="YES"
    ntpd_sync_on_start="YES"
    syslogd_flags="-ss"
    fsck_y_enable="YES"
    ifconfig_em0_alias0="inet FAILOVER_IP netmask 255.255.255.255"
  4. Save the file and exit the text editor.

  5. Restart the network to activate the new IP address:

    /etc/rc.d/netif restart && /etc/rc.d/routing restart
See also
How to configure a failover IP on Debian/UbuntuHow to configure a failover IP on Windows Server
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