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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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SECE_1.3.6.1.4.1.2011.5.25.165.2.2.1.3 hwStrackDenyPacket

SECE_1.3.6.1.4.1.2011.5.25.165.2.2.1.3 hwStrackDenyPacket

Description

SECE/4/STRACK_DENY:OID [oid] Some packets are dropped because an attack is detected.(Interface=[OCTET], SourceMAC=[OCTET], SourceIP=[IPADDR], InnerVlan=[INTEGER], OuterVlan=[INTEGER])

The system detected an attack source and dropped packets sent from the attack source.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.165.2.2.1.3 Warning securityServiceOrMechanismViolation(10)

Parameters

Name Meaning
OID Indicates the ID of the MIB object.
Interface Indicates the access interface of the attacker.
SourceMAC Indicates the source MAC address of packets sent from the attacker.
SourceIP Indicates the source IP address of packets sent from the attacker.

InnerVlan

Indicates the inner VLAN ID of packets sent from the attacker.

OuterVlan

Indicates the outer VLAN ID of packets sent from the attacker.

Impact on the System

The device detected an attack to the CPU and dropped packets sent from the attack source to the CPU.

Possible Causes

A user sent a large number of packets to the device, and the number of packets exceeded the threshold for identifying an attack.

Procedure

  1. Run the display auto-defend attack-source detail command to check the detected attack source and check whether it is an authorized user.
  2. If the detected attack source is an unauthorized user, you do not need to take any actions because the attack packets have been dropped by the device. No further action is required.
  3. If the detected attack source is an authorized user, add the user to the whitelist to exclude the user from attack source tracing.
  4. If multiple attack sources are detected and all of them are authorized users, the attack source tracing threshold is too low. (The default value is 128 pps). Run the auto-defend threshold threshold command to increase the threshold. No further action is required.
  5. If the alarm persists, collect alarm, log, and configuration information, and contact technical support personnel.

Related Information

None

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Updated: 2019-04-18

Document ID: EDOC1000141873

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