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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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EOAM1AG_1.3.6.1.4.1.2011.5.25.136.1.6.40 hwDot1agCfmUnexpectedMAC

EOAM1AG_1.3.6.1.4.1.2011.5.25.136.1.6.40 hwDot1agCfmUnexpectedMAC

Description

EOAM1AG/3/UNEXPECTEDMAC: OID [oid] MEP received a CCM with unexpected MAC address. (MdIndex=[GAUGE], MaIndex=[GAUGE], MdName=[STRING], MaName=[STRING], MepId=[INTEGER], RmepId=[INTEGER])

The source MAC address carried in a CCM sent by the RMEP was different from the RMEP's MAC address specified on the MEP.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.136.1.6.40 Minor communicationsAlarm(2)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

MdIndex

Index of an MD table

MaIndex

Index of an MA table

MdName

Name of an MD

MaName

Name of an MA

MepId

ID of a MEP

RmepId

ID of an RMEP

Impact on the System

CFM will fail.

Possible Causes

The source MAC address carried in a CCM sent by the RMEP was different from the RMEP's MAC address specified on the MEP under the following conditions:
  • The MEP and RMEP had the same MD level.

  • The MEP and RMEP had the same MA ID.

  • The MEP ID carried in the received CCMs was listed in the RMEP list on the MEP.

  • The MEP was enabled to receive CCMs.

  • The MEP and RMEP had the same interval at which CCMs were sent.

Procedure

  1. Perform the following steps:

    1. Run the cfm md md-name command on the MEP to enter the MD view.

    2. Run the display this command on the MEP to view the RMEP's MAC address.

    3. Run the display cfm mep [ md md-name [ ma ma-name [ mep-id mep-id ] ] ] command on the RMEP to view the value of the MAC field.

    4. Check whether the value of the MAC field on the RMEP is the same as the RMEP's MAC address on the MEP.
      • If they are the same, go to Step 3.

      • If they are different, go to Step 2.

  2. Perform the following steps on the MEP:
    1. Run the undo remote-mep mep-id mep-id command to delete the existing RMEP configuration.
    2. Run the remote-mep mep-id mep-id mac mac-address command to specify the correct MAC address of the RMEP.
    3. Run the display alarm active command to view the trap. Check whether the trap is cleared. If the trap persists, go to Step 3.
  3. Collect alarm information and configuration information, and then contact technical support personnel.
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Updated: 2019-03-06

Document ID: EDOC1100041475

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