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Alarm Handling

CloudEngine 12800 and 12800E V200R005C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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MPLS_LSPM_1.3.6.1.4.1.2011.5.25.121.2.1.56 hwMplsTunnelBBSwitch

MPLS_LSPM_1.3.6.1.4.1.2011.5.25.121.2.1.56 hwMplsTunnelBBSwitch

Description

Main LSP of Tunnel switches to backup LSP in Best-effort Backup.(TunnelId=[TunnelId], LocalLspId=[LocalLspId], IngressLsrId=[IngressLsrId], EgressLsrId=[EgressLsrId],ulTunnelAdminStatus=[ulTunnelAdminStatus],ulTunnelOperStatus=[ulTunnelOperStatus])

Main LSP of Tunnel switches to backup LSP in BBK.

Attributes

Attributes

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwMplsTunnelBBSwitch

Trap OID

1.3.6.1.4.1.2011.5.25.121.2.1.56

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the matching trap.

Parameters

Parameter Description

TunnelId

Indicates the ID of the tunnel.

LocalLspId

Indicates the LSP ID of a session.

IngressLsrId

Indicates the LSR ID of the ingress on the tunnel.

EgressLsrId

Indicates the LSR ID of the egress on the tunnel.

ulTunnelAdminStatus

Indicates the management status of the tunnel.

ulTunnelOperStatus

Indicates the operation status of the tunnel.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.121.1.1.1.7

hwMplsTunnelAdminStatus

hwMplsTunnelIndex

hwMplsTunnelInstance

hwMplsTunnelIngressLSRId

hwMplsTunnelEgressLSRId

1.3.6.1.4.1.2011.5.25.121.1.1.1.8

hwMplsTunnelOperStatus

hwMplsTunnelIndex

hwMplsTunnelInstance

hwMplsTunnelIngressLSRId

hwMplsTunnelEgressLSRId

Impact on the System

The service traffic to be forwarded will be interrupted.

Possible Causes

The primary LSP was Down and the backup LSP was in Up state. The backup mode was OB.

Procedure

  1. Run the display mpls te tunnel-interface tunnel-name command on the ingress (that is, the node that generates the trap) to check the configurations of the tunnel. View the Tunnel State Desc field to check whether the tunnel is in the Down state. Then, run the display mpls te tunnel-interface last-error command to view the prompt.

    • In the case of the following error prompts, do as required:
      • If the error prompt is "Cspf failed to calculate a path for Tunnel." (indicating that the ingress is enabled with CSPF, but the CSPF path calculation fails), go to Step 2.
      • If the error prompt is "Trigger Rsvp failed", go to Step 2.
      • If the error prompt is "One LSP is deleted at smooth period", go to Step 6.
      • If the error prompt is "One LSP is deleted at Tunnel aging period", go to Step 6.
      • For other types of errors, go to Step 6.
    • If there is no error prompt, go to Step 2.

  2. Run the ping command on the ingress to check whether the destination IP address of the tunnel can be pinged.

    • If the ping fails, rectify the route fault to ensure that the destination IP address of the tunnel can be pinged, and then check whether the alarm MPLS_LSPM_1.3.6.1.2.1.10.166.3.0.1 mplsTunnelUp is generated.
      • If so, go to Step 7.
      • If not, go to Step 3.
    • If the ping is successful, go to Step 3.

  3. Run the display this command in the MPLS view of the ingress to check whether the mpls te cspf command is configured, that is, to check whether the CSPF is enabled.

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

  4. Run the display mpls te cspf destination command on the ingress to check whether a path that meets the constraints is available. If so, the path of the TE tunnel is displayed, indicating that CSPF calculation is successful. If not, null is displayed, indicating that CSPF calculation fails.

  5. Run the display explicit-path command to check the interfaces along the tunnel. Then, run the display this command in the interface view of each interface of the tunnel to check whether the interface is enabled with MPLS, MPLS TE, and RSVP-TE.

    • If MPLS, MPLS TE, or RSVP-TE is not enabled, run the mpls, mpls te or mpls rsvp-te commands in the view of the interface.
    • If any interface along the tunnel is not in Up state, restart the interface. That is, run the shutdown and then undo shutdown commands in the interface view.

    Then, check whether the alarm MPLS_LSPM_1.3.6.1.2.1.10.166.3.0.1 mplsTunnelUp is generated.

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

  6. Collect the trap information, log information, and configuration of the switch, and contact technical support personnel.
  7. End.
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Updated: 2019-04-20

Document ID: EDOC1100039527

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