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Routing & Switching · Advanced

ARP Suppression

An EVPN feature where VTEPs answer ARP requests locally using IP-MAC bindings learned from Type 2 routes, reducing flooding.

Definition

If the target is known, the leaf replies on behalf of the remote host; otherwise the request is flooded normally. Junos calls the equivalent proxy ARP and ND suppression.

Example

suppress-arp under member vni on NX-OS

Exam tip

ARP suppression depends on Type 2 routes that include the IP address.

Related terms