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Alarm Handling

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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WLAN_1.3.6.1.4.1.2011.6.139.16.1.1.1.2 hwRadioSignalEnvDeteriorationTrap

WLAN_1.3.6.1.4.1.2011.6.139.16.1.1.1.2 hwRadioSignalEnvDeteriorationTrap

Description

WLAN/4/RADIO_ENV_DETERIORATE_NOTIFY:OID [oid] Radio signal environment deteriorates. (APMAC=[OPAQUE],RadioID=[INTEGER], APName=[OCTET], PER=[INTEGER]%, ConflictRate=[INTEGER]%, APID=[INTEGER])

The radio signal environment deteriorated.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.6.139.16.1.1.1.2 Warning other(1)

Parameters

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.
PER Indicates the packet error rate on the wireless-side interface.
ConflictRate Indicates the collision rate of a radio.
APID Indicates the AP ID.

Impact on the System

The deterioration of the radio signal environment will increase the packet loss rate, reduce the transmission rate, or even interrupt services.

Possible Causes

The radio signal environment deteriorated.

Procedure

  1. Run the display ap neighbor command to view the neighboring radio, and check whether there are APs using the same or neighboring radio.

    • If so, run the channel command to reconfigure a channel or power for this radio to avoid the signal interference. Then go to Step 2.

    • If not, go to Step 3.

  2. Check whether a radio signal environment restoration alarm is generated.

    • If so, go to Step 5.

    • If not, go to Step 3.

  3. Check whether there are devices that interfere with the radio signal or make noises.

    • If so, remove these devices and then go to Step 4.

    • If not, go to Step 5.

  4. Check whether a radio signal environment restoration alarm is generated.

    • If so, go to Step 6.

    • If not, go to Step 5.

  5. Collect the alarm information, log information, and configuration information, and then contact technical support personnel.
  6. End.
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Updated: 2019-05-06

Document ID: EDOC1000174085

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