How to Configure DHCP Failover

The DHCP failover protocol provides a method for two DHCP servers to communicate with each other.

The DHCP failover protocol provides a method for two DHCP servers to communicate with each other. Depending on the configuration, DHCP failover can provide both redundancy and load balancing by sharing one or more pools between two or more DHCP servers. The servers are known as failover peers. After placing two DHCP services in a failover relationship, each DHCP pool’s addresses are divided between primary and secondary servers. Peers don’t need to be located in the same subnet providing you server placement flexibility

Considerations for Configuring DHCP Failover:

  • DHCP failover is only supported on BlueCat DNS/DHCP Servers.
  • Enabling or disabling DHCP failover will restart the DHCP service, resulting in a service interruption.

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