Command: ip dhcp-relay (VLAN Interface Configuration)

ip dhcp-relay (VLAN Interface Configuration)

Configures DHCP relay for a vlan.

Syntax

ip dhcp-relay broadcast
ip dhcp-relay clear-counters
ip dhcp-relay min-sec <0-65535>
ip dhcp-relay min-sec <0-65535> mode {bootp | bootp-dhcp | dhcp}
ip dhcp-relay mode {bootp | bootp-dhcp | dhcp}
ip dhcp-relay
ip dhcp-relay option82
default ip dhcp-relay option82
no ip dhcp-relay
no ip dhcp-relay option82
no ip dhcp-relay broadcast

Default

None

Command mode

VLAN Interface Configuration

Command parameters

Parameter	Description
broadcast	Enables the broadcast of DHCP reply packets to the DHCP clients on this VLAN interface
clear-counters	Clears the DHCP relay coutners for the VLAN.
min-sec <minsec>	Indicates the min-sec value. The switch immediately forwards a BootP/DHCP packet if the secs field in the BootP/DHCP packet header is greater than the configured min-sec value; otherwise, the packet is dropped. Range is 0-65535. The default is 0.
mode {bootp \|dhcp \|bootp_dhcp}	Specifies the type of DHCP packets this VLAN supports: bootp - Supports BootP only; dhcp - Supports DHCP only; bootp_dhcp - Supports both BootP and DHCP.
option82	Enables Option 82 for DHCP relay on a VLAN.