Cisco Catalyst 3650 Series User Manual

ip dhcp snooping verify no-relay-agent-address
To disable the DHCP snooping feature from verifying that the relay agent address (giaddr) in a DHCP client
message matches the client hardware address on an untrusted port, use the ip dhcp snooping verify
no-relay-agent-address command in global configuration mode. To enable verification, use the no form of
this command.
ip dhcp snooping verify no-relay-agent-address
no ip dhcp snooping verify no-relay-agent-address
Syntax Description
This command has no arguments or keywords.
Command Default
The DHCP snooping feature verifies that the relay-agent IP address (giaddr) field in DHCP client message
on an untrusted port is 0.
Command Modes
Global configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
By default, the DHCP snooping feature verifies that the relay-agent IP address (giaddr) field in DHCP client
message on an untrusted port is 0; the message is dropped if the giaddr field is not 0. Use the ip dhcp snooping
verify no-relay-agent-address command to disable the verification. Use the no ip dhcp snooping verify
no-relay-agent-address to reenable verification.
Examples
This example shows how to enable verification of the giaddr in a DHCP client message:
Device(config)# no ip dhcp snooping verify no-relay-agent-address
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
768
ip dhcp snooping verify no-relay-agent-address

Cisco Catalyst 3650 Series Specifications

General

Brand	Cisco
Model	Catalyst 3650 Series
Category	Switch
Language	English