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S1720, S2700, S3700, S5700, S6700, S7700, and S9700 Series Switches Common Operation Guide

This document describes the CLI-based configurations of universal protocols and common features for Huawei switches on basic networks.

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Updating ARP Entries

Updating ARP Entries

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


After ARP entries are cleared, mappings between IP addresses and MAC addresses are deleted. As a result, users may not access specified nodes. Exercise caution when you clear ARP entries.

# Clear all ARP entries on the device.


The device in V200R009C00 and later versions does not support this function.

<HUAWEI> reset arp all

# Clear the dynamic ARP entries with the IP address on the device.

<HUAWEI> reset arp dynamic ip //If the IP address is not specified, all dynamic ARP entries are deleted from the device.

# Clear all static ARP entries on the device.

<HUAWEI> reset arp static
Warning: This operation will reset all static ARP entries, and clear the configurations of all static ARP, continue?[Y/N]:y 

# Clear the static ARP entries with the IP address, MAC address 0023-0045-0067, and outbound interface GE1/0/1 on the device.

<HUAWEI> system-view
[HUAWEI] undo arp static 0023-0045-0067 interface gigabitethernet 1/0/1

# Clear the ARP entries learned from VLANIF 100 with the IP address on the device.

<HUAWEI> reset arp interface vlanif 100 ip //If the IP address is not specified, all ARP entries learned by VLANIF 100 are deleted from the device.
Updated: 2018-09-03

Document ID: EDOC1000057410

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