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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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MAC

MAC

MAC_1.3.6.1.4.1.2011.5.25.42.2.1.7.11 hwMacLimitOverThresholdAlarm

Description

MAC address learning reached the maximum. (IfIndex=[IfIndex], IfName=[IfName], Vlan=[VLANID], MacLimitMaxMac=[MacLimitMaxMac])

The number of learned MAC addresses reached the threshold.

Attribute

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.42.2.1.7.11

Trap severity

Warning

Matching trap

MAC_1.3.6.1.4.1.2011.5.25.42.2.1.7.19 hwMacLimitOverThresholdAlarmResume

Parameters

Name

Meaning

IfIndex

Indicates the index of the interface.

IfName

Indicates the name of the interface.

Vlan

Indicates the VLAN ID.

MacLimitMaxMac

Indicates the maximum number of MAC addresses allowed to be learned.

Impact on the System

If the number of learned MAC addresses reaches the threshold, the device stops learning new MAC addresses.

Possible Causes

The number of learned dynamic MAC addresses exceeded the maximum size of the MAC address table.

Procedure
  • This trap message is informational only, and no action is required.

MAC_1.3.6.1.4.1.2011.5.25.42.2.1.7.19 hwMacLimitOverThresholdAlarmResume

Description

MAC address learning is resumed. (IfIndex=[IfIndex], IfName=[IfName], Vlan=[VLANID], MacLimitMaxMac=[MacLimitMaxMac])

The number of learned MAC addresses fell below the alarm threshold.

Attribute

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.42.2.1.7.19

Trap severity

Warning

Matching trap

MAC_1.3.6.1.4.1.2011.5.25.42.2.1.7.11 hwMacLimitOverThresholdAlarm

Parameters

Name

Meaning

IfIndex

Indicates the index of the interface.

IfName

Indicates the name of the interface.

Vlan

Indicates the VLAN ID.

MacLimitMaxMac

Indicates the maximum number of MAC addresses allowed to be learned.

Impact on the System

None

Possible Causes

The number of learned MAC addresses fell below the alarm threshold.

Procedure
  • This trap message is informational only, and no action is required.

MAC_1.3.6.1.4.1.2011.5.25.160.3.13 hwMflpVlanLoopAlarm

Description

MAC flapping detected. (VlanId=[VlanId], MacAddress=[MAC], Original-Port=[IfNameA], Flapping port=[IfNameB],[IfNameC]). Please check the network to which the interface learning a flapping MAC address is connected.

MAC address flapping occurred in a VLAN.

Attribute

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.160.3.13

Trap severity

Warning

Matching trap

MAC_1.3.6.1.4.1.2011.5.25.160.3.14 hwMflpVlanLoopAlarmResume

Parameters

Name

Meaning

VlanId

Indicates the VLAN ID.

MacAddress

Indicates the flapping MAC address.

Original-Port

Indicates the interface that learns the flapping MAC address first.

Flapping port

Indicates the interface that learns the flapping MAC address later.

Impact on the System

None

Possible Causes

The trap message was generated when the system learned the same MAC address from more than three interfaces.

Procedure
  • Configure the error-down action on the interface or enable STP to remove network loops.

MAC_1.3.6.1.4.1.2011.5.25.160.3.14 hwMflpVlanLoopAlarmResume

Description

Mac flapping detection recovered in vlan. (VlanId=[VlanId], MacAddress=[MAC], Original-Port=[IfNameA], Flapping port=[IfNameB],[IfNameC])

The alarm about the MAC address flapping was cleared.

Attribute

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.160.3.14

Trap severity

Warning

Matching trap

MAC_1.3.6.1.4.1.2011.5.25.160.3.13 hwMflpVlanLoopAlarm

Parameters

Name

Meaning

VlanId

Indicates the VLAN ID.

MacAddress

Indicates the flapping MAC address.

Original-Port

Indicates the interface that learns the flapping MAC address first.

Flapping port

Indicates the interface that learns the flapping MAC address later.

Impact on the System

None

Possible Causes

None

Procedure
  • This trap message is informational only, and no action is required.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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