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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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SECE/3/ARPS_DROP_PACKET_HDADDR_LEN:Invalid hard address length.(HardAddressLength=[ULONG], SourceMAC=[STRING], SourceIP=[STRING], SourceInterface=[STRING], DropTime=[STRING])


The hardware address length in the ARP packet is invalid.


Parameter Name Parameter Meaning


Indicates the MAC address length of the ARP packets.


Indicates the source MAC address of the ARP packets.


Indicates the source IP address of the ARP packets.


Indicates the source interface of the ARP packets.


Indicates the packet discard time.

Possible Causes

The device receives an ARP packet with the hardware address that has an invalid length.


  • Find out the interface that initiates the attack according to the SourceInterface field in the alarm message.
  • Find out the user who sends attack packets according to the SourceMAC field.
  • Check whether the user host runs abnormally; if not, the user may be an attacker. In this case, you can take measures to prevent the user, for example, disconnect the user from the network.
Updated: 2019-08-21

Document ID: EDOC1000142069

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