Enabling the Cisco IOS DHCP Server Database For procedures to enable and configure the Cisco IOS DHCP server database, see the “DHCP Configuration Task List” section in the “Configuring DHCP” chapter of the Cisco IOS IP Configuration Guide. Enabling the DHCP Snooping Binding Database Agent Beginning in privileged EXEC mode, follow these steps to enable and configure the DHCP snooping binding database agent on the switch: Configuring DHCP Enabling the Cisco IOS DHCP Server Database Command or Action Purpose Step 2 configure terminal Example: Device# configure terminal Enters global configuration mode. Step 3 interface interface-id Example:
Device(config)# interface gigabitethernet 1/0/1 Enters interface configuration mode, and specifies the interface to configure. Step 4 ipv6 address dhcp [rapid-commit] Example: Device(config-if)# ipv6 address dhcp rapid-commit Enables the interface to acquire an IPv6 address from the DHCPv6 server. rapid-commit—(Optional) Allow two-message exchange method for address assignment. Step 5 ipv6 dhcp client request [vendor-specific] Example: Device(config-if)# ipv6 dhcp client request vendor-specific (Optional) Enables the interface to request the vendor-specific option. Step 6 end Example: Device(config)# end Returns to privileged EXEC mode. Step 7 show ipv6 dhcp interface Example:
Device# show ipv6 dhcp interface Verifies that the DHCPv6 client is enabled on an interface. Configuring DHCP 17