Designing and Managing Behavior Models - Using Trap Masks -
Enabling a Poll      About Trap Masks

Using Trap Masks

Trap masks give you the ability to screen SNMP traps sent by managed nodes and received by NerveCenter for traps of interest. This chapter explains in detail how to define and use trap masks. Refer to the following sections:

Section	Description
About Trap Masks	Overviews the role trap masks play in behavior models.
How NerveCenter Decodes SNMP v2c/v3 Traps	Describes the mechanics of how NerveCenter decodes v2c/v3 SNMP traps.
Listing Trap Masks	Explains how to display a list of the trap masks currently defined in the NerveCenter database.
Defining a Trap Mask	Explains how to create a new trap mask.
Writing a Trigger Function	Explains how write a trap-mask trigger function, a Perl script that fires triggers conditionally, based on the contents of a trap's variable bindings or some other information in the trap.
Documenting a Trap Mask	Explains how to write notes (documentation) for a trap mask.
Enabling a Trap Mask	Explains how to turn a trap mask on and off.