By configuring interface-based ARP entry restriction, the number of ARP entries that an interface can learn is restricted, which effectively prevents ARP entry overflow and ensures ARP entry security.
Perform the following steps on the FW that needs to be configured with ARP security features:
system-view
interface interface-type interface-number
The following interfaces are supported:
Layer-3 Ethernet interfaces and sub-interfaces
Layer-3 GE interfaces and sub-interfaces
Layer-3 Eth-Trunk interfaces and sub-interfaces
Layer-2 Ethernet interfaces
Layer-2 GE interfaces
Layer-2 Eth-Trunk interfaces
VLANIF interfaces
arp-limit[ vlan vlan-id [ to vlan-id2 ] ] maximum maximum