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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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WLAN_1. hwNerborInterfDetectedTrap

WLAN_1. hwNerborInterfDetectedTrap


WLAN/4/AP_ADJACENT_FREQUENCY_DISTURB: OID [oid] The adjacent-channel interference exceeds the alarm threshold.(APMAC=[OPAQUE], RadioID=[INTEGER],ApName=[OCTET], APChannel=[INTEGER], APID=[INTEGER], IntfBssId=[OPAQUE], IntfChnl=[INTEGER], RSSI threshold percent=[INTEGER]%)

Adjacent-channel interference between APs was detected.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm(5)


Name Meaning
oid Indicates the ID of the MIB object.
APMAC Indicates the MAC address of an AP.
RadioID Indicates the radio ID.
ApName Indicates the AP name.
APChannel Indicates the channel of a monitoring AP.
APID Indicates the AP ID.
IntfBssId Indicates the BSSID of the interfering AP.
IntfChnl Indicates the channel of the interfering AP.
RSSI threshold percent Indicates the RSSI threshold value on an interface, in percentage.

Impact on the System

The packet loss rate increases, the data rate decreases, and even the services may be interrupted.

Possible Causes

The alarm threshold for adjacent-channel interference was exceeded.


  1. Run the display radio-2g-profile { all | name profile-name } and display radio-5g-profile { all | name profile-name } commands to view the value of Adjacent-channel frequency interference threshold(%) and check whether the alarm threshold for adjacent-channel interference is configured properly. It is recommended that you set the alarm threshold for adjacent-channel interference to 50.

    • If so, go to Step 3.
    • If not, go to Step 2.

  2. Run the interference adjacent-channel threshold threshold-value command to configure a proper alarm threshold for adjacent-channel interference. Then, check whether the alarm persists.

    • If so, go to Step 3.
    • If not, go to Step 5.

  3. If severe interference triggers local radio calibration, the channel and power are adjusted automatically. Then, check whether the alarm persists.

    • If so, go to Step 4.
    • If not, go to Step 5.

  4. Collect alarm messages, log messages, and configurations, and then contact the technical support personnel.
  5. End.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

Views: 108281

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