Configuring ARP active acknowledgement

About ARP active acknowledgement

Configure this feature on gateways to prevent user spoofing.

ARP active acknowledgement prevents a gateway from generating incorrect ARP entries.

In strict mode, a gateway performs more strict validity checks before creating an ARP entry:

Procedure

  1. Enter system view.

    system-view

  2. Enable the ARP active acknowledgement feature.

    arp active-ack [ strict ] enable

    By default, this feature is disabled.

    For ARP active acknowledgement to take effect in strict mode, make sure ARP blackhole routing is enabled.