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By default, Junos device responds to an Address Resolution Protocol (ARP) request only if the destination address of the ARP request is on the local network of the incoming interface. For Fast Ethernet or Gigabit Ethernet interfaces, you can configure static ARP entries that associate the IP addresses of nodes on the same Ethernet subnet with their media access control (MAC) addresses. These static ARP entries enable the device to respond to ARP requests even if the destination address of the ARP request is not local to the incoming Ethernet interface.
| Feature hierarchy | Feature Name |
|---|---|
| Static ARP / | 128k vMembers and 96k ARP and ND entries when using enhanced convergence in MC-LAG |
| Static ARP / | ARP request throttling |
| Static ARP / | ARP: Static ARP configuration |
| Static ARP / | Host route generation support for ARP |
| Static ARP / | Proactive ARP detection |
| Static ARP / | Static ARP with multicast MAC address for an IRB interface |