dhcp snooping trust

Use dhcp snooping trust to configure a port as a trusted port.

Use undo dhcp snooping trust to restore the default state of a port.

Syntax

dhcp snooping trust

undo dhcp snooping trust

Default

After you enable DHCP snooping, all ports are untrusted.

Views

Layer 2 Ethernet interface/Layer 2 aggregate interface view

Layer 3 Ethernet interface/Layer 3 aggregate interface view

S-channel interface/S-channel aggregate interface view

Ethernet service instance view

Predefined user roles

network-admin

mdc-admin

Usage guidelines

Specify the ports facing the DHCP server as trusted ports and specify the other ports as untrusted ports so DHCP clients can obtain valid IP addresses.

Examples

# Specify Layer 2 Ethernet interface as a trusted port.

<Sysname> system-view
[Sysname] interface 
[Sysname-] dhcp snooping trust

Related commands

display dhcp snooping trust