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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
LDM

LDM

LDM_1.3.6.1.4.1.2011.5.25.165.1.11.19 hwBaseSecurityAntiAttackRateRising

Description

The rate of flooding packets for anti-attack exceeds the alarm threshold is detected to slide into a warning state. (AntiAttackType=[AntiAttackType], Threshold=[Threshold]bps, ActualRate=[ActualRate]bps)

The rate of flooding packets for anti-attack exceeds the alarm threshold over 30 seconds.

Attributes

Attribute

Description

Alarm or Event

Alarm

Trap Severity

Warning

Mnemonic Code

hwBaseSecurityAntiAttackRateRising

Trap OID

1.3.6.1.4.1.2011.5.25.165.1.11.19

Alarm ID

0x0959200c

Alarm Type

equipmentAlarm

Raise or Clear

Raise

Match trap

LDM_1.3.6.1.4.1.2011.5.25.165.1.11.20 hwBaseSecurityAntiAttackRateResume

Parameters

Parameter

Description

AntiAttackType

The attack type configured in anti-attack.

Threshold

The alarm threshold of discarded packet rate.

ActualRate

The current packet rate.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.1

hwAntiAttackType

hwAntiAttackType

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.2

hwAntiAttackRateThreshold

hwAntiAttackType

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.3

hwAntiAttackCurrentRate

hwAntiAttackType

Impact on the System

An interface board is attacked by flood packets, and the packets have been discarded. Therefore, services on this board are not affected.

Possible Causes

The interface board was attacked by flooding packets, and the rate at which the packets were discarded exceeded the alarm threshold.

Procedure
  • Collect alarm information and configuration information, and then contact technical support personnel.

LDM_1.3.6.1.4.1.2011.5.25.165.1.11.20 hwBaseSecurityAntiAttackRateResume

Description

The warning state of anti-attack was cleared. (AntiAttackType=[AntiAttackType], Threshold=[Threshold]bps, ActualRate=[ActualRate]bps)

The rate at which flooding packets were discarded fell below the alarm threshold.

Attributes

Attribute

Description

Alarm or Event

Alarm

Trap Severity

Warning

Mnemonic Code

hwBaseSecurityAntiAttackRateResume

Trap OID

1.3.6.1.4.1.2011.5.25.165.1.11.20

Alarm ID

0x0959200c

Alarm Type

equipmentAlarm

Raise or Clear

Clear

Match trap

LDM_1.3.6.1.4.1.2011.5.25.165.1.11.19 hwBaseSecurityAntiAttackRateRising

Parameters

Parameter

Description

AntiAttackType

The attack type configured in anti-attack.

Threshold

The alarm threshold of discarded packet rate.

ActualRate

The current packet rate.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.1

hwAntiAttackType

hwAntiAttackType

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.2

hwAntiAttackRateThreshold

hwAntiAttackType

1.3.6.1.4.1.2011.5.25.165.1.16.1.1.3

hwAntiAttackCurrentRate

hwAntiAttackType

Impact on the System

None.

Possible Causes

The rate at which flooding packets were discarded fell below the alarm threshold.

Procedure
  • This alarm message indicates a normal situation, and no action is required.

SECURITYTRAP_1.3.6.1.4.1.2011.5.25.165.2.2.1.2 hwStrackIfVlanInfo

Description

Attack occurred. (Interface=[Interface], CVLAN=[CVLAN], PVLAN=[PVLAN], EndTime=[EndTime], TotalPackets=[TotalPackets])

The system detected attacks on an interface.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwStrackIfVlanInfo

Trap OID

1.3.6.1.4.1.2011.5.25.165.2.2.1.2

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 match trap.

Parameters

Parameter

Description

Interface

Interface index

CVLAN

Inner VLAN tag of an attack packet sent by a user

PVLAN

Outer VLAN tag of an attack packet sent by a user

EndTime

Time when the last attack packet is received

TotalPackets

Number of received attack packets

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.165.2.1.1.6

hwStrackPacketIfName

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.5

hwStrackPacketCVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.4

hwStrackPacketPVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.2

hwStrackEndTime

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.1

hwStrackTotalPacket

N/A

Impact on the System

The CPU is too busy processing attack packets that some normal packets are not processed in a timely manner or even dropped.

Possible Causes

The rate at which packets were sent by a user (Interface + VLAN) to the CPU exceeded the alarm threshold.

Procedure
  • The rate at which packets were sent by a user (Interface + VLAN) to the CPU exceeded the alarm threshold.
    1. Run the display auto-defend attack-source command to check potential attack sources and to determine whether the packet transmission rate is abnormal.
      • If the packet transmission rate is abnormal, go to Step 2.
      • If the packet transmission rate is normal, go to Step 7.
    2. Check the number of users on the interface that receives attack packets.
      • If there is only one user, go to Step 3.
      • If there are multiple users, go to Step 5.
    3. Check whether this user sent the attack packets.
      • If this user sent the attack packets, go to Step 4.
      • If this user did not send the attack packets, go to Step 7.
    4. Run the shutdown command to shut down the interface. Then, check whether the alarm is cleared. If the alarm persists, go to Step 7.
    5. Check whether one of the users sent the attack packets.
      • If one of the users sent the attack packets, go to Step 6.
      • If none of the users sent the attack packets, go to Step 7.
    6. Add the user who sent attack packets to a blacklist and check whether the fault is rectified. If the fault persists, go to Step 7.
    7. Collect trap, log, and configuration information, and contact technical support personnel.

SECURITYTRAP_1.3.6.1.4.1.2011.5.25.165.2.2.1.5 hwStrackIpInfo

Description

Attack occurred. (Interface=[Interface], SourceIp=[SourceIp], SourceIPv6=[SourceIPv6], CVLAN=[CVLAN], PVLAN=[PVLAN], EndTime=[EndTime], TotalPackets=[TotalPackets])

The system detected attacks from a user with a specified source IP address.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwStrackIpInfo

Trap OID

1.3.6.1.4.1.2011.5.25.165.2.2.1.5

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 match trap.

Parameters

Parameter

Description

Interface

Interface index

SourceIp

Source IP address

SourceIpv6

Source IPv6 address

CVLAN

Inner VLAN tag of an attack packet sent by a user

PVLAN

Outer VLAN tag of an attack packet sent by a user

EndTime

Time when the last attack packet is received

TotalPackets

Number of received attack packets

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.165.2.1.1.6

hwStrackPacketIfName

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.7

hwStrackSourceIp

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.5

hwStrackPacketCVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.4

hwStrackPacketPVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.2

hwStrackEndTime

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.1

hwStrackTotalPacket

N/A

Impact on the System

The CPU is too busy processing attack packets that some normal packets are not processed in a timely manner or even dropped.

Possible Causes

The rate at which packets were sent by a user (a source IP address) to the CPU exceeded the alarm threshold.

Procedure
  • The rate at which packets were sent by a user (a source IP address) to the CPU exceeded the alarm threshold.
    1. Run the display auto-defend attack-source command to check potential attack sources and to determine whether the packet transmission rate is abnormal.
      • If the packet transmission rate is abnormal, go to Step 2.
      • If the packet transmission rate is normal, no action is required.
    2. Add the user who sent attack packets to a blacklist in the cpu-defend policy template so that the system will not send packets from this user to the CPU. Then, check whether the fault is rectified. If the fault persists, go to Step 3.
    3. Collect trap, log, and configuration information, and contact technical support personnel.

SECURITYTRAP_1.3.6.1.4.1.2011.5.25.165.2.2.1.1 hwStrackUserInfo

Description

Attack occurred. (Interface=[Interface], SourceMAC=[SourceMAC], CVLAN=[CVLAN], PVLAN=[PVLAN], EndTime=[EndTime], TotalPackets=[TotalPackets])

The system detected attacks from a user with a specified source MAC address.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwStrackUserInfo

Trap OID

1.3.6.1.4.1.2011.5.25.165.2.2.1.1

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 match trap.

Parameters

Parameter

Description

Interface

Interface index

SourceMAC

Source MAC address

CVLAN

Inner VLAN tag of an attack packet sent by a user

PVLAN

Outer VLAN tag of an attack packet sent by a user

EndTime

Time when the last attack packet is received

TotalPackets

Number of received attack packets

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.165.2.1.1.6

hwStrackPacketIfName

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.3

hwStrackSourceMac

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.5

hwStrackPacketCVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.4

hwStrackPacketPVlan

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.2

hwStrackEndTime

N/A

1.3.6.1.4.1.2011.5.25.165.2.1.1.1

hwStrackTotalPacket

N/A

Impact on the System

The CPU is too busy processing attack packets that some normal packets are not processed in a timely manner or even dropped.

Possible Causes

The rate at which packets were sent by a user (MAC + VLAN) to the CPU exceeded the alarm threshold.

Procedure
  • The rate at which packets were sent by a user (MAC + VLAN) to the CPU exceeded the alarm threshold.
    1. Run the display auto-defend attack-source command to check potential attack sources and to determine whether the packet transmission rate is abnormal.
      • If the packet transmission rate is abnormal, go to Step 2.
      • If the packet transmission rate is normal, no action is required.
    2. Add the user who sent attack packets to a blacklist in the cpu-defend policy template so that the system will not send packets from this user to the CPU. Then, check whether the fault is rectified. If the fault persists, go to Step 3.
    3. Collect trap, log, and configuration information, and contact technical support personnel.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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