Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?




Hierarchy Level


Port security features, such as DHCP snooping and dynamic ARP inspection inspect packets only on untrusted interfaces.

Allow or deny DHCP responses from the specified interfaces (ports) or all interfaces.

  • dhcp-trusted—Allow DHCP responses.

  • no-dhcp-trusted—Deny DHCP responses.


Trusted for trunk ports, untrusted for access ports.

Required Privilege Level

routing—To view this statement in the configuration.routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 11.1.