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Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.

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ARP/4/ARP_IP_CONFLICT_DETECT:Detected an IP address collision. (IpAddress=[IpAddr], Local MacAddress=[LocalMacAddr], Local InterfaceName=[LocalIfName], Local VLAN=[LocalPVid], Local INNER-VLAN=[LocalCVid], Received MacAddress=[RcvMacAddr], Received InterfaceName=[RcvIfName], Received VLAN=[RcvPVid], Received INNER-VLAN=[RcvCVid], Collision Type=[type])


An IP address conflict occurred.


Parameter Name Parameter Meaning


Indicates an IP address.

Local MacAddress

Indicates the local MAC address.

Local InterfaceName

Indicates the local interface name.

Local VLAN

Indicates the local VLAN ID.


Indicates the local inner VLAN ID.

Received MacAddress

Indicates the destination MAC address.

Received InterfaceName

Indicates the name of the destination interface.

Received VLAN

Indicates the ID of the destination VLAN.


Indicates the inner ID of the destination VLAN.

Collision Type

Indicates the IP address conflict type.

Possible Causes

The device receives a non-gratuitous ARP packet. The destination IP address of the packet is the same as that in the dynamic ARP entry on the device, but their MAC addresses are different.


  1. Check whether there is any IP address conflict on the live network.
Updated: 2019-04-20

Document ID: EDOC1100039602

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