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Configuration Guide - IP Service

CloudEngine 12800 and 12800E V200R005C00

This document describes the configurations of IP Service, including IP address, ARP, DHCP, DNS, IP performance optimization, IPv6, DHCPv6, and IPv6 DNS.
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Configuring the Fast ARP Reply Function

Configuring the Fast ARP Reply Function

A device that functions as a gateway can have the fast ARP reply function configured so that it can fast respond to ARP Request packets.

Pre-configuration Tasks

Before configuring the fast ARP reply function, complete the following task:

  • Setting link layer protocol parameters for interfaces to ensure that the link layer protocol status of the interfaces is Up


  1. Run system-view

    The system view is displayed.

  2. Run undo arp fast-reply disable

    The fast ARP reply function is enabled.

    By default, the fast ARP reply function is enabled.

  3. Run commit

    The configuration is committed.

Verifying the Configuration

  • Run the display current-configuration | include fast-reply command to check the fast ARP reply configuration.
Updated: 2019-04-18

Document ID: EDOC1100039535

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