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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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L2V_1.3.6.1.4.1.2011.5.25.119.3.2.1 hwCCCVcDown

L2V_1.3.6.1.4.1.2011.5.25.119.3.2.1 hwCCCVcDown

Description

L2V/3/CCCVC_DWN_T:OID [oid] The status of the CCC VC turned DOWN. (CccName=[STRING], InterfaceIndex=[INTEGER], InterfaceIndex=[INTEGER], HWL2VpnStateChangeReason=[INTEGER], InterfaceName=[STRING])

The alarm was generated when the CCC VC was Down.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.119.3.2.1

Minor

processingErrorAlarm(4)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

CccName

Name of the CCC connection

InterfaceIndex

Index of the interface used as the table index

InterfaceIndex

Index of the interface reported to the network management system as a parameter

HWL2VpnStateChangeReason

Cause of the VC status change. For details, see "hwCCCVcStateChangeReason" in the appendix of HUAWEI-CCC-MIB.

InterfaceName

Name of the interface

Impact on the System

Services will be interrupted and traffic cannot be forwarded properly.

Possible Causes

1.

The inbound or outbound interface of CCC services became Down.

2.

MPLS or MPLS L2VPN was disabled.

3.

The IP address of the outbound interface of CCC services was deleted or changed into an IP address in a different segment.

Procedure

  1. Check whether the current configuration is the same as the original configuration. For example, check whether MPLS is enabled globally, or whether MPLS is enabled on the CCC outbound interface.

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

  2. Restore the original configuration. Then, check whether the alarm is cleared.

    • If the alarm is cleared, go to Step 9.
    • If the alarm is not cleared, go to Step 3.

  3. Run the display vll ccc ccc-name command to check the status of the two interfaces of the CCC VC.

    • If either interface is Down or both interfaces are Down, go to Step 4.
    • If both interfaces are Up, go to Step 8.
    • If one interface goes UP, and the IP address of next hop of the other interface are displayed, go to Step 5.

  4. View the cause that the interface is Down and restore the interface to the Up status. Then, check whether the alarm is cleared.

    • If cleared, go to Step 9.
    • If persists, go to Step 8.

  5. Run the display ip routing-table command to check whether the IP address is reachable.

    • If so, go to Step 8.
    • If not, go to Step 6

  6. Run the display ip interface brief command to check whether there are addresses that are in the same segment with the IP address.

    • If so, go to Step 4.
    • If not, it indicates that the outbound interface address is deleted or changed. In this case, go to Step 7.

  7. Enter the view of the outbound interface and reconfigure an IP address in consistent with the original configuration. Then, check whether the alarm is cleared.

    • If the alarm is cleared, go to Step 9.
    • If the alarm is not cleared, go to Step 8.

  8. Collect alarm information and configuration information, and then contact technical support personnel.
  9. End.
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Updated: 2019-03-06

Document ID: EDOC1100041475

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