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Fat AP and Cloud AP V200R010C00 Command Reference

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reset arp

reset arp


The reset arp command deletes ARP entries in the ARP mapping table.


reset arp { dynamic [ ip ip-address ] | interface interface-type interface-number [ ip ip-address ] | static }


Parameter Description Value
dynamic Deletes dynamic ARP entries. -
interface interface-type interface-number
  • interface-type specifies the type of the interface.
  • interface-number specifies the number of the interface.
ip ip-address

Deletes dynamic ARP entries of a specified interface and with a specified IP address.

If an interface learns excessive ARP entries, you can specify this parameter to delete a specified ARP entry.

The value is in dotted decimal notation.
static Deletes static ARP entries. -


User view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

If an unauthorized user sends a large number of ARP packets to a device, the device learns a large number of ARP entries in a short period of time, causing the buffer to overflow. As a result, users may fail to access the network. To solve the problem, you can run the reset arp command to delete invalid ARP entries and create new ARP entries to ensure that users can access the network.


Before using the reset arp command, ensure that the corresponding ARP entries exist.

Configuration Impact

After an ARP entry is cleared, the mapping between the IP address and the MAC address is cleared. As a result, users may fail to assess the network and services may be interrupted.


ARP entries are cleared at an interval of at least 20s.


# Delete dynamic ARP entries in the ARP mapping table.

<Huawei> reset arp dynamic

# Delete dynamic ARP entries of VLANIF 10.

<Huawei> reset arp interface vlanif 10
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Updated: 2019-11-21

Document ID: EDOC1100064352

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