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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_1.3.6.1.4.1.2011.5.25.121.2.1.49 hwMplsTunnelHotstandbyDown

MPLS_LSPM_1.3.6.1.4.1.2011.5.25.121.2.1.49 hwMplsTunnelHotstandbyDown

Description

The hot-standby LSP of the tunnel changes to Down. (SessionTunnelId=[SessionTunnelId], TunnelInstIndex=[TunnelInstIndex], IngressLsrId=[IngressLsrId], EgressLsrId=[EgressLsrId], mplsTunnelIfName=[mplsTunnelIfName], hwMplsTunnelDownReason=[hwMplsTunnelDownReason], hwMplsTunnelDownLSRId=[hwMplsTunnelDownLSRId], hwMplsTunnelDownIfAddrType=[hwMplsTunnelDownIfAddrType], hwMplsTunnelDownIfAddr=[hwMplsTunnelDownIfAddr], SignalledTunnelName=[SignalledTunnelName])

The hot-standby LSP of the tunnel changes to Down.

Attributes

Attributes

Description

Alarm or Event

Alarm

Trap Severity

Critical

Mnemonic Code

hwMplsTunnelHotstandbyDown

Trap OID

1.3.6.1.4.1.2011.5.25.121.2.1.49

Alarm ID

0x09062062

Alarm Type

communicationsAlarm

Raise or Clear

Raise

Match trap

MPLS_LSPM_1.3.6.1.4.1.2011.5.25.121.2.1.48 hwMplsTunnelHotstandbyUp

Parameters

Parameter Description

SessionTunnelId

Indicates the ID of the tunnel.

TunnelInstIndex

Indicates the InstIndex of the tunnel.

IngressLsrId

Indicates the LSR ID of the ingress on the tunnel.

EgressLsrId

Indicates the LSR ID of the egress on the tunnel.

mplsTunnelIfName

Indicates the name of a tunnel.

SignalledTunnelName

Tunnel alias.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.121.1.1.1.29

hwMplsTunnelInterfaceName

hwMplsTunnelIndex

hwMplsTunnelInstance

hwMplsTunnelIngressLSRId

hwMplsTunnelEgressLSRId

1.3.6.1.4.1.2011.5.25.121.2.2.3

hwMplsTunnelDownReason

N/A

1.3.6.1.4.1.2011.5.25.121.2.2.8

hwMplsTunnelDownLSRID

N/A

1.3.6.1.4.1.2011.5.25.121.2.2.10

hwMplsTunnelDownIfIpAddrType

N/A

1.3.6.1.4.1.2011.5.25.121.2.2.9

hwMplsTunnelDownIfIpAddr

N/A

Impact on the System

If traffic is not forwarded along the hot-standby LSP of the tunnel, traffic forwarding will not be affected. If traffic is forwarded along the primary LSP of the tunnel and other LSP of the tunnel is in up state, traffic will be switched to the other LSP. If not, traffic forwarding will be interrupted.

Possible Causes

Cause 1: The interface went Down.

Cause 2: The configuration of the tunnel was deleted.

Cause 3: The link was faulty.

Cause 4: The hot-standby LSP had nodes through which the primary LSP passed.

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.

  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, or run the restartcommand in the interface view .

    Then, check whether the alarm MPLS_LSPM_1.3.6.1.4.1.2011.5.25.121.2.1.48 hwMplsTunnelHotstandbyUp 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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