IP Helper/DHCP Relay Commands 1035Default ConfigurationThis check is enabled by default.Command ModeInterface Configuration (VLAN) modeUser GuidelinesEnable DHCP Relay using the ip helper enable command. Use the globalconfiguration command ip dhcp relay information option command toenable processing of DHCP circuit ID and remote agent ID options. DHCPreplies are checked by default. The network administrator should ensure thatonly one switch in the path between the DHCP client and server processesDHCP information options.ExampleThe following example enables relay information check on the interface:console(config)#interface vlan 10console(config-if-vlan10)#ip dhcp relay information checkip dhcp relay information optionUse the ip dhcp relay information option command in Global Configurationmode to enable the circuit ID option and remote agent ID mode forBootP/DHCP Relay on the system (also called option 82). Use the no form ofthe command to disable the circuit ID option and remote agent ID mode forBootP/DHCP Relay.Syntaxip dhcp relay information optionno ip dhcp relay information optionDefault ConfigurationDisabled is the default configuration.Command ModeGlobal Configuration mode
