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Monitor SNMP Trap

Updated: November 1, 2013

Applies To: System Center 2012 - Orchestrator, System Center 2012 R2 Orchestrator, System Center 2012 SP1 - Orchestrator

The Monitor SNMP Trap activity waits for an event to occur either in the Microsoft SNMP Trap Service, or on a port that you specify. Using filters, you can invoke your runbooks according to the device that raised the event or the enterprise, generic, or specific identifiers of the SNMP trap. Use the Monitor SNMP Trap activity to monitor a network device for critical errors, automatically create a trouble ticket, and perform level 1 diagnostics on the device.

Configuring the Monitor SNMP Trap Activity

Before you configure the Monitor SNMP Trap activity, you need to determine the following:

  • Version of SNMP that you are using

  • Source host IP address

  • Enterprise identifier of the device

  • Generic or specific identifier of the device that you are monitoring

Use the following information to configure the Monitor SNMP Trap activity.

Details Tab

Settings Configuration Instructions

Microsoft SNMP Trap Service (SNMPv1, SNMPv2c)

Select this option to use the Microsoft SNMP Trap Service. This service is only compatible with SNMP versions SNMPv1 and SNMPv2c.

No dependency (SNMPv1, SNMPv2c, SNMPv3)

Select this option to monitor SNMP traps using a port rather than the Microsoft SNMP Trap Service.

Port

If you select the No dependency option, type the communication port number that will be monitored for SNMP traps. If you select port 162, the Microsoft SNMP Trap Service must be disabled because it uses the same port when it runs.

Source host

Select to specify the IP address of the device where the event originates.

Enterprise identifier

Select to specify the enterprise identifier of the event raised by the device.

Generic identifier

Select to specify the generic identifier of the SNMP trap. There are six options available:

coldStart(0): Select to filter for a cold start of the network device. This option has a numerical value of 0.

warmStart(1):Select to filter for a warm start of the network device. This option has a numerical value of 1.

linkDown(2): Select to filter for a severed connection to the network device. This option has a numerical value of 2.

linkUp(3): Select to filter for a re-established connection to the network device. This option has a numerical value of 3.

authenticationFailure(4): Select to filter for a failed SNMP authentications to the network device. This option has a numerical value of 4.

egpNeighborLoss(5): Select to filter for a lost connection to an EGP neighbor. This option has a numerical value of 5.

enterpriseSpecific(6): Select to filter based on an enterprise specific ID. This option has a numerical value of 6. You must specify this option to filter based on a Specific identifier.

Specific identifier

Select to specify an enterprise specific identifier for the SNMP trap. This setting becomes active when you select the enterpriseSpecific(6) option in the Generic identifier box.

Published Data

The following table lists published data items.

 

Item Description

Source IP address

The IP address of the device where the trap originated.

Enterprise Id

The enterprise ID of the trap.

Generic Id

The generic ID of the trap.

Specific Id

The specific ID of the trap. The value of the specific identifier is published when using the enterpriseSpecific(6) option of the Generic identifier box. Otherwise, a value of 0 (zero) is published.

Trap port

The port where the trap was received.

Varbind count

The number of variable bindings received.

SNMP Version

The SNMP version specified for this trap.

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For additional resources, see Information and Support for System Center 2012.

Tip: Use this query to find online documentation in the TechNet Library for System Center 2012. For instructions and examples, see Search the System Center 2012 Documentation Library.
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