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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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Clearing ARP entries

Clearing ARP entries

Context

After ARP entries are cleared, mappings between IP addresses and MAC addresses are deleted. As a result, users may fail to access specified nodes. Exercise caution when you clear ARP entries.

Before updating ARP entries, clear ARP entries on the device so that the device will relearn the entries.

Procedure

  • Run the following commands in the user view to clear ARP entries. For example, clear dynamic entries, static entries, or ARP entries of a specified interface.

    • Run the reset arp all command to clear all ARP entries.

    • Run the reset arp dynamic [ ip ip-address [ vpn-instance vpn-instance-name ] ] command to clear dynamic ARP entries.

    • Run the reset arp static command to clear static ARP entries.

      You can also run the undo arp static ip-address [ mac-address ] [ vpn-instance vpn-instance-name | vid vlan-id [ cevid ce-vid ] interface interface-type interface-number ] command in the system view to clear static ARP entries.

    • Run the reset arp interface interface-type interface-number [ ip ip-address ] command to clear ARP entries on the specified interface.

  • In the user view, run the reset arp packet statistics command to clear ARP packet statistics.
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Updated: 2019-03-06

Document ID: EDOC1100069333

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