Ip Dhcp Snooping Trust - Cisco Nexus 5500 Series Command Reference Manual

Chapter I Commands

ip dhcp snooping trust

To configure an interface as a trusted source of Dynamic Host Configuration Protocol (DHCP) messages,
use the ip dhcp snooping trust command. To configure an interface as an untrusted source of DHCP
messages, use the no form of this command.
Syntax Description
This command has no arguments or keywords.
Command Default
By default, no interface is a trusted source of DHCP messages.
Command Modes Interface configuration mode
Command History Release
5.2(1)N1(1)
Usage Guidelines
To use this command, you must enable the DHCP snooping feature (see the feature dhcp command).
You can configure DHCP trust on the following types of interfaces:
•
•
•
Examples This example shows how to configure an interface as a trusted source of DHCP messages:
switch# configure terminal
switch(config)# interface ethernet 2/1
switch(config-if)# ip dhcp snooping trust
switch(config-if)#
Related Commands Command
ip dhcp snooping
ip dhcp snooping vlan Enables DHCP snooping on the specified VLANs.
show ip dhcp snooping Displays general information about DHCP snooping.
show running-config
dhcp
OL-27883-02
ip dhcp snooping trust
no ip dhcp snooping trust
Modification
This command was introduced.
Layer 3 Ethernet interfaces and subinterfaces
Layer 2 Ethernet interfaces
Private VLAN interfaces
Description
Globally enables DHCP snooping on the device.
Displays DHCP snooping configuration, including IP Source Guard
configuration.
Cisco Nexus 5500 Series NX-OS Security Command Reference
ip dhcp snooping trust
127