ip mac-validate


ip mac-validate [ strict | loose ]

no ip mac-validate

Release Information

Command introduced before JunosE Release 7.1.0.


Enables MAC address validation on a per interface basis. When MAC address validation is enabled, the router checks the entry in the MAC validation table that corresponds to the IP source address of an incoming packet. The MAC source address of the packet must match the MAC source address of the table entry for the router to forward the packet. The no version disables the feature.

Note: When a DHCP discover or a DHCP request packet arrives from a requesting client to the router that functions as the DHCP server or the delegating router on an interface, and if you configured either strict or loose mode of MAC address validation on that interface, the DHCP discover or request packets are processed correctly and are not dropped.



Interface Configuration

Related Documentation