Ip Dhcp Snooping Trust - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

ip dhcp snooping trust

To configure an interface as trusted for DHCP snooping purposes, use the ip dhcp snooping trust
command. To configure an interface as untrusted, use the no form of this command.
Syntax Description
This command has no arguments or keywords.
Defaults DHCP snooping trust is disabled.
Command Modes Interface configuration mode
Command History Release
12.1(12c)EW
Examples This example shows how to enable DHCP snooping trust on an interface:
Switch(config-if)# ip dhcp snooping trust
Switch(config)#
This example shows how to disable DHCP snooping trust on an interface:
Switch(config-if)# no ip dhcp snooping trust
Switch(config)#
Related Commands Command
ip dhcp snooping
ip dhcp snooping information option
ip dhcp snooping limit rate
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
OL-25342 -01
ip dhcp snooping trust
no ip dhcp snooping trust
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
Description
Globally enables DHCP snooping.
Enables DHCP option 82 data insertion.
Configures the number of the DHCP messages that an
interface can receive per second.
Enables DHCP snooping on a VLAN or a group of VLANs.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding entries.
ip dhcp snooping trust
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