A device reports the hwEthernetARPIPConflictEvent alarm after receiving a probe ARP packet whose destination IP address is the same as the IP address of an interface.

Trouble Ticket Number

DTS2024110902668

Symptom

A device reports the hwEthernetARPIPConflictEvent alarm after receiving a probe ARP packet whose destination IP address is the same as the IP address of an interface.

Condition

This problem occurs when the following conditions are met:

1. An IPv4 address is configured for an interface.

2. A probe ARP packet whose destination IP address is the same as the IP address of the interface is sent to the device.

Impact

Users cannot obtain correct information.

Severity

Minor

Root Cause

Probe ARP packets are not filtered out when the hwEthernetARPIPConflictEvent alarm is triggered.

Solution

In the process of triggering the hwEthernetARPIPConflictEvent alarm, a judgment mechanism is added to filter out probe ARP packets.

Solution Impact

N/A

Problem Resolved in

V300R23C10SPC100, V300R23C00SPC100

Involved Models

AR600, AR6100, AR6200, AR6300, RU-5G

Precaution

If the destination IP address of probe ARP packets is the same as the VRRP virtual address of an interface, the packets cannot be filtered out.