Basic Network Management Help >> Alarm Management >> Trap Definition

Trap Definition

Trap definition displays the following information of all traps in The System:

• Trap name
• Trap OID
• Enterprise OID
• Trap severity

With this function, administrator can perform the following operations:

• Enter the detailed information page of a trap by clicking the a trap name
• Import trap definitions from MIB file
• Add trap definitions
• Modify existing trap definitions
• Delete existing trap definitions
• Set trap severity levels

However, you cannot modify severity of the following types of traps:

• Recovery trap: Inform about the recoveries of the system.
• Link-down traps: Inform about the link-down events.
• Performance traps: Inform about system performance status.

Related Topics

• Trap Severity Setting
• Device Severity List
• Add/Modify Trap Definition
• Delete Trap Definition
• Import Trap Definition from MIB File

Parameters

• Maintenance Experience: Maintenance experience of escalating traps to alarms. The contents of the maintenance experience include the predefined contents in the trap definition list and the contents edited by users. The contents edited by users include the operation of modifying the trap definitions and adding the trap definitions. A user can also edit the maintenance experience in alarm details. The edited maintenance experience can be viewed in the trap definition list.

Precautions

1. Configure the snmp-agent remote command when you use SNMPv3 traps or informs. The engine ID of System is a hexadecimal string: 800063A2800123456789ABCDEF0123.
2. The OIDs of public trap definitions have different node value ranges in different SNMP protocol versions. The value range for nodes of public SNMPv1 traps is 1.3.6.1.6.3.1.1.5.0 to 1.3.6.1.6.3.1.1.5.5. The value range for nodes of public SNMPv2 traps is 1.3.6.1.6.3.1.1.5.1 to 1.3.6.1.6.3.1.1.5.6.
3. When you query trap definitions by an OID contained in an SNMPv1 trap, the SNMPv2 trap definitions of the OID might be returned.
4. The following are the public SNMP traps in ascending node index order:
• Cold Start
• Warm Start
• Link DOWN
• Link UP
• SNMP Authentication Failure
• EGP Neighbor Loss
5. Semi-colons (;) are treated as delimeters in trap parameters. Do not use the semi-colons in trap parameters.
6. Both the imported and exported trap definition files are CSV files. You can delete data in an exported trap definition file and then use it as an import template.
7. The name of a custom trap must be unique.
8. The trap export feature can export only user-defined traps.