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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
L2V_1.3.6.1.4.1.2011.5.25.119.4.1.4.3 hwSvcDown

L2V_1.3.6.1.4.1.2011.5.25.119.4.1.4.3 hwSvcDown

Description

L2V/2/SVC_DWN_T:OID [oid] The status of the SVC VC turned DOWN. (InterfaceIndex=[INTEGER], InterfaceIndex=[INTEGER], SvcId=[GAUGE], SVcType=[INTEGER], PeerAddress=[IPADDR], SvcInboundLabel=[GAUGE], SvcOutboundLabel=[GAUGE], HWL2VpnStateChangeReason=[INTEGER], InterfaceName=[STRING], TunnelPolicyName=[STRING], ActiveState=[INTEGER], TunnelType = [INTEGER], SessionTunnelId=[GAUGE])

Indicates an SVC goes Down.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.119.4.1.4.3

Major

processingErrorAlarm(4)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

InterfaceIndex

Index of the interface used as the table index.

InterfaceIndex

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

SvcId

Indicates the ID of an SVC.

SVcType

Indicates the type of an SVC:
  • 0: Initial value
  • 1: FR
  • 2: ATM AAL5
  • 3: ATM cell relay
  • 4: VLAN
  • 5: Ethernet
  • 6: HDLC
  • 7: PPP
  • 9: ATM cell VCC
  • 10: ATM cell VPC
  • 11: IP-layer 2 (used for heterogeneous IP-interworking between Huawei devices and non-Huawei devices)
  • 12: ATM, 1-to-1 VCC cell mode
  • 13: ATM, 1-to-1 VPC cell mode
  • 14: ATM, AAL5 PDU VCC Transport
  • 64: Heterogeneous IP-interworking

PeerAddress

Indicates the IP address of a peer.

SvcInboundLabel

Indicates the incoming label of an SVC.

SvcOutboundLabel

Indicates the outgoing label of an SVC.

HWL2VpnStateChangeReason

Indicates the cause for the SVC status change.

InterfaceName

Indicates the interface name.

TunnelPolicyName

Indicates the name of a tunnel policy.

ActiveState

Indicates the status of active.

TunnelType

Indicates the type of a tunnel.

SessionTunnelId

Indicates the ID of a tunnel.

Impact on the System

The SVC service is interrupted and the traffic is blocked.

Possible Causes

1.

The local or peer AC interface went Down.

2.

The public network tunnel was faulty.

Procedure

  1. Run the display mpls static-l2vc interface interface-type interface-number command to check whether the AC goes Up.

    • If so, go to Step 3.
    • If not, go to Step 2.
    NOTE:
    The SVC status can be Up if two conditions are met. That is, the AC status is Up and the tunnel is selected.

  2. Check whether the AC interface goes Down.

    • If so, rectify the fault and ensure that the AC interface goes Up. Then, check whether the fault is rectified. If so, go to Step 7; if not, go to Step 3.
    • If not, go to Step 3.

  3. View the command output in Step 1 to check whether the number of tunnels in the VC tunnel/token info field is 0.

    • If so, go to Step 4.
    • If not, go to Step 7.

  4. Run the display tunnel-info all command to check whether there is information about the LSP tunnel with the destination address being the address of the peer PE.

    • If so, go to Step 7.
    • If no, go to Step 5.

  5. Check and rectify the configuration of the public network interface. Check whether the fault is rectified.

    • If so, go to Step 7.
    • If not, go to Step 6.

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

Document ID: EDOC1100041475

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