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Alarm Handling

S600-E V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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LLDP_1.0.8802.1.1.2.0.0.1 lldpRemTablesChange

LLDP_1.0.8802.1.1.2.0.0.1 lldpRemTablesChange

Description

LLDP/4/NBRCHGTRAP: OID [oid] Neighbor information is changed. (LldpStatsRemTablesInserts=[integer], LldpStatsRemTablesDeletes=[integer], LldpStatsRemTablesDrops=[integer], LldpStatsRemTablesAgeouts=[integer])

A neighbor was added, deleted, discarded, or aged.

Attribute

Alarm ID Alarm Severity Alarm Type
1.0.8802.1.1.2.0.0.1 Warning equipmentAlarm(6)

Parameters

Name Meaning

[oid]

Indicates the MIB object ID of the alarm.
LldpStatsRemTablesInserts Indicates the number of new neighbors.
LldpStatsRemTablesDeletes Indicates the number of neighbors that are deleted.
LldpStatsRemTablesDrops Indicates the number of neighbors that are discarded because of insufficient space.
LldpStatsRemTablesAgeouts Indicates the number of neighbors that are aged.

Impact on the System

This alarm is a notification of changes in the network topology for the NMS, and no action is required.

Possible Causes

Cause 1:

A neighbor was found.

Cause 2:

A neighbor was deleted.

Cause 3:

A neighbor was aged.

Cause 4:

A neighbor was discarded because of insufficient space.

Procedure

  1. Check the values of LldpStatsRemTablesInserts, LldpStatsRemTablesDeletes, LldpStatsRemTablesDrops, and LldpStatsRemTablesAgeouts in the alarm.

    • If the value of LldpStatsRemTablesInserts is not 0, go to step 2.
    • If the value of LldpStatsRemTablesDeletes is not 0, go to step 3.
    • If the value of LldpStatsRemTablesDrops is not 0, go to step 4.
    • If the value of LldpStatsRemTablesAgeouts is not 0, go to step 5.

  2. Neighbors are discovered, indicating that new devices are connected to the device or LLDP is enabled on some neighbors. This message is a normal notification and you do not need to handle it. No further action is required.
  3. Some neighbors are deleted, indicating that LLDP is disabled on these neighbors or the neighbors are disconnected from the device. Check whether the administrator has disabled LLDP on these devices or disconnected these devices from the device.

    1. If the administrator has disabled LLDP on these devices or disconnected these devices from the device, no further action is required.
    2. If not, rectify the link fault and no further action is required.

  4. The number of neighbors reaches the maximum (4096 on the entire device and 256 on each port). It is recommended that you disable LLDP on some minor ports to save information about the new neighbors. No further action is required.
  5. Some neighbors are deleted after their aging time expires, indicating that the links between the neighbors and the device are faulty. Rectify the link fault and no further action is required.

Related Information

None

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Updated: 2019-09-24

Document ID: EDOC1000141873

Views: 158620

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