This object enables (strict or loose mode)/disables IP-MAC binding on the specified port. Note: enable-strict (2): This means strict mode (SW learning). All packets are sent to the CPU. If the user chooses this option, the port will check ARP packets and IP packets by the IP-MAC-PORT Binding entries. If the MAC address can or cannot be found by the entry, the MAC will be set as a dynamic learned or blocked entry, respectively. Other packets will be sent to the CPU and dropped. enable-loose (4) : This means loose mode (HW learning): Only ARP packets and IP broadcast packets will be sent to the CPU. If the user chooses, the port will learn MAC addresses on non-ARP and non-IP broadcast packets directly, so these packets will be bypassed. However, if the switch receives ARP or IP broadcast packets and cannot bypass the IP MAC Binding checks, the switch will set this MAC address as blocked and all packets from this MAC address will be dropped.