This field displays the reason the log message was generated.
dhcp deny: An ARP packet was discarded because it violated a dynamic binding with the same MAC address and VLAN ID.
static deny: An ARP packet was discarded because it violated a static binding with the same MAC address and VLAN ID.
deny: An ARP packet was discarded because there were no bindings with the same MAC address and VLAN ID.
dhcp permit: An ARP packet was forwarded because it matched a dynamic binding.
static permit: An ARP packet was forwarded because it matched a static binding.