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Alarm Handling

CloudEngine 8800, 7800, 6800, and 5800 V200R002C50

This document provides the explanations, causes, and recommended actions of alarms on the product.
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ISIS_1.3.6.1.4.1.2011.5.25.24.2.4.18 hwIsisLspRemainingLifetimeRefresh

ISIS_1.3.6.1.4.1.2011.5.25.24.2.4.18 hwIsisLspRemainingLifetimeRefresh

Description

ISIS receive LSP with small Remaining Lifetime. (isisSysInstance=[isisSysInstance], isisSysLevelIndex=[isisSysLevelIndex], isisCircIndex=[isisCircIndex], isisCircIfIndex=[isisCircIfIndex], ifIndex=[ifIndex], ifName=[ifName], isisAdjSysID=[hwIsisAdjSysID], isisPduLspId=[isisPduLspId], isisRemainingLifetime=[hwIsisRemainingLifetime])

This object indicates that the Remaining Lifetime of a received LSP is less than 60s.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Informational

Mnemonic Code

hwIsisLspRemainingLifetimeRefresh

Trap OID

1.3.6.1.4.1.2011.5.25.24.2.4.18

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

isisSysInstance

ID of an IS-IS process

isisSysLevelIndex

IS-IS level:
  • 1:Level-1

  • 2:Level-2

isisCircIndex

Index of the interface that received the LSP

isisCircIfIndex

Index of the interface that received the LSP

ifIndex

Interface index

ifName

Name of the interface that received the LSP

isisAdjSysID

System ID of the neighbor that sent the LSP

isisPduLspId

LSP ID

isisRemainingLifetime

Remaining Lifetime of the LSP

VB

VB OID

VB Name

VB Index

1.3.6.1.3.37.1.1.1.1.1

isisSysInstance

isisSysInstance

1.3.6.1.3.37.1.2.1.1.1

isisSysLevelIndex

isisSysInstance

isisSysLevelIndex

1.3.6.1.3.37.1.3.1.1.2

isisCircIfIndex

isisSysInstance

isisCircIndex

1.3.6.1.2.1.31.1.1.1.1

ifName

ifIndex

1.3.6.1.4.1.2011.5.25.24.2.2.5

hwIsisAdjSysID

N/A

1.3.6.1.3.37.1.10.1.1.1

isisPduLspId

isisSysInstance

1.3.6.1.4.1.2011.5.25.24.2.2.13

hwIsisRemainingLifetime

N/A

Impact on the System

LSP flapping or a route calculation error may occur.

Possible Causes

The local device received an LSP generated by another device, and the LSP was newer than the corresponding LSP stored locally. In addition, the Remaining Lifetime of the LSP was non-zero and less than 60s.

Procedure

  1. Run thedisplay isis lsdb command to check the Holdtime field. This field indicates the value of Remaining Lifetime. Check whether the value is less than 60s.

    1. Check whether the Remaining Lifetime of the LSP is less than 60s when the neighbor sent it.
    2. Check whether the LSP is an attack packet.
    3. Check whether the Remaining Lifetime was changed manually.
    • If the Remaining Lifetime of the LSP is less than 60s, check whether it was changed manually.
      • If the Remaining Lifetime was changed manually, no action is required, and go to Step 3.
      • If the Remaining Lifetime was not changed manually, go to Step 2.
    • If the Remaining Lifetime of the LSP is not less than 60s, go to Step 2.

  2. Collect the relevant information and contact technical support personnel technical support personnel.
  3. End.
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Updated: 2019-03-20

Document ID: EDOC1000166558

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