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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.

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DHCP_1. hwSnpUserNumberAlarmIf

DHCP_1. hwSnpUserNumberAlarmIf


DHCP/4/DHCPUSERBINDTRAPIF:OID [OID] The number of DHCP users on the interface exceeds alarm threshold. (IfIndex=[INTEGER], VlanIndex=[INTEGER], Interface=[OCTET], CurrentUser=[INTEGER], MaxUser=[INTEGER])

The number of DHCP users connected to an interface reached the upper alarm threshold.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm(5)


Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the interface index.


Indicates the VLAN index. The value is 0.


Indicates the interface name of the device.


Indicates the number of current access users.


Indicates the maximum number of access users.

Impact on the System


Possible Causes

The number of DHCP snooping binding entries on an interface reached the upper alarm threshold.


  1. Run the dhcp snooping max-user-number max-user-number command to adjust the maximum number of access users allowed on the interface.
  2. Run the dhcp snooping user-alarm percentage percent-lower-value percent-upper-value command to adjust the alarm thresholds.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

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