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CLI-based Configuration Guide - IP Service

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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Configuring ARP Unicast Probe

Configuring ARP Unicast Probe

When the peer device cannot accept broadcast packets, you can configure ARP unicast probe on the local device. The local device then sends a unicast ARP Request packet to detect whether the peer device exists.


On some special networks, user terminals do not accept broadcast packets to ensure network security. Therefore, these user terminals directly discard the received broadcast ARP Request packets and other devices on the networks cannot learn the ARP entries.

After ARP unicast probe is configured, the device sends a unicast ARP Request packet to detect whether a user terminal exists.


  • Run the arp send-packet ip-address mac-address interface interface-type interface-number [ vid vid [ cevid cevid ] ] command in any view to configure ARP unicast probe.

    After ARP unicast probe is configured, the device sends a unicast ARP Request packet.

Updated: 2019-03-06

Document ID: EDOC1100069333

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