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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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DHCPSNP/4/REPLYTRAP

DHCPSNP/4/REPLYTRAP

Message

DHCPSNP/4/REPLYTRAP:The number of the discarded DHCP reply packets on the untrusted interface exceeded the threshold. (IfIndex=[IfIndex], VlanIndex=[VlanIndex], VsiIndex=[VsiIndex], Interface=[IfName], VlanID=[VlanId], DiscardedNumber=[DiscardPktAccount])

Description

The number of DHCP reply packets discarded on an untrusted interface exceeded the configured threshold.

Parameters

Parameter Name Parameter Meaning

IfIndex

Indicates the interface index.

VlanIndex

Indicates the VLAN index.

VsiIndex

Indicates the VSI index.

Interface

Indicates the interface name.

VlanId

Indicates the VLAN ID.

DiscardedNumber

Indicates the number of discarded packets.

Possible Causes

The number of DHCP reply packets discarded on an untrusted interface exceeded the configured threshold.

Procedure

  1. Run the display dhcp snooping [ interface interface-type interface-number | vlan vlan-id ] command to check whether the interface is configured as a trusted interface.

    1. If the interface is configured as a trusted interface, this log message is informational only, and no action is required.
    2. If the interface is configured as an untrusted interface, check whether the configured threshold for the number of DHCP reply packets discarded on the interface is proper and whether the device is attacked, so that you can determine whether to adjust the alarm threshold. Collect log information and contact technical support personnel.

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Updated: 2019-04-20

Document ID: EDOC1100039602

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