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Alarm Handling

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document provides the explanations, causes, and recommended actions of alarms on the product.
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OSPF_1.3.6.1.2.1.14.16.2.11 ospfVirtIfTxRetransmit

OSPF_1.3.6.1.2.1.14.16.2.11 ospfVirtIfTxRetransmit

Description

An OSPF packet is retransmitted on a virtual interface. (VirtIfAreaId=[area-id], VirtIfNeighbor=[neighbor-router-id], LsdbAreaId=[lsdb-area-id], LsdbType=[lsa-type], LsdbLsid=[lsdb-ls-id], LsdbRouterId=[lsdb-router-id], ProcessId=[process-id], RouterId=[router-id], PacketType=[packet-type], InstanceName=[instance-name])

OSPF packets were retransmitted on virtual-link interfaces. The possible cause was that the physical link was unreachable or the information about entries in the routing table was incorrect.

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

ospfVirtIfTxRetransmit

Trap OID

1.3.6.1.2.1.14.16.2.11

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

VirtIfAreaId

Indicates the area ID.

VirtIfNeighbor

Indicates the router ID of a neighboring switch.

LsdbAreaId

Indicates the area ID of an LSDB.

LsdbType

Indicates the type of the LSA.
  • 1: Router LSA
  • 2: Network LSA
  • 3: Summary LSA type 3
  • 4: Summary LSA type 4
  • 5: AS External LSA
  • 7: NSSA LSA
  • 9: Opaque LSA - scope Local
  • 10: Opaque LSA - scope area
  • 11: Opaque LSA - scope AS

LsdbLsid

Indicates the LS ID of an LSDB.

LsdbRouterId

Indicates the router ID of an LSDB.

ProcessId

Indicates the process ID.

RouterId

Indicates the router ID of the local switch.

PacketType

Indicates the type of a packet.
  • 1: Hello packet
  • 2: DD packet
  • 3: Request packet
  • 4: Update packet
  • 5: Acknowledgement packet
  • 6: Update packet Retrans
  • 7: Update packet flood

InstanceName

Indicates the instance name.

VB

VB OID

VB Name

VB Index

1.3.6.1.2.1.14.1.1

ospfRouterId

N/A

1.3.6.1.2.1.14.9.1.1

ospfVirtIfAreaId

ospfVirtIfAreaId;

ospfVirtIfNeighbor;

1.3.6.1.2.1.14.9.1.2

ospfVirtIfNeighbor

ospfVirtIfAreaId;

ospfVirtIfNeighbor;

1.3.6.1.2.1.14.16.1.3

ospfPacketType

N/A

1.3.6.1.2.1.14.4.1.2

ospfLsdbType

ospfLsdbAreaId;

ospfLsdbType;

ospfLsdbLsid;

ospfLsdbRouterId;

1.3.6.1.2.1.14.4.1.3

ospfLsdbLsid

ospfLsdbAreaId;

ospfLsdbType;

ospfLsdbLsid;

ospfLsdbRouterId;

1.3.6.1.2.1.14.4.1.4

ospfLsdbRouterId

ospfLsdbAreaId;

ospfLsdbType;

ospfLsdbLsid;

ospfLsdbRouterId;

Impact on the System

This trap message is generated when an OSPF packet is retransmitted on a virtual link interface. The cause may be that the network is busy, and thus LSDB update and route calculation convergence are slow.

Possible Causes

1. The address used to forward the packets could not be pinged through.

2. The peer regarded the packet as an invalid packet.

Procedure

  1. Check the retransmission times of each packet.

    • If packets are retransmitted for 1 or 2 times and the number of such packets is small, the trap is informational only and no action is required. Go to Step 5.

    • If lots of packets are retransmitted constantly and the number of retransmission times is large, go to Step 2.

  2. Run the display ospf vlink command to check the peer switch of the vlink. Then log in to this switch and run the display ospf vlink command again to check the vlink interface status or neighbor status.

  3. Check whether the local switch and the neighbor have trap OSPF_1.3.6.1.2.1.14.16.2.9 ospfVirtIfRxBadPacket and locate the fault according to the trap. Otherwise, go to Step 4.
  4. Collect the trap information, log information, and configuration of the switch, and contact technical support personnel technical personnel.
  5. End.
Translation
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Updated: 2019-04-02

Document ID: EDOC1100074754

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