Configure High Availability for the DHCP Server

Procedure

Enter Global Configuration mode:

enable

configure terminal
Configure the address for the HA peer:

ip dhcp-server ha-peer {A.B.C.D}
Optional: Configure the role of this switch:

ip dhcp-server ha-role {primary | standby}

The following table defines parameters for the ip dhcp-server command.


Variable	Definition
ha-peer `{A.B.C.D}`	Specifies the IPv4 address of the redundant peer switch in a High Availability (HA) pair.
ha-role `{primary \| standby}`	Assigns the High Availability (HA) role of this switch. Within an HA pair, you must have one primary server and one standby server that do the following: `primary`—This switch provides DHCP services while the switch is active. `standby`—This switch provides DHCP services only when the primary switch is inactive. Note: Assigning roles is optional. By default, the switch with the lower IP address is primary.