Product manual

56| Configuring monitor functions Manual
Screenshot 50 - SNMP check parameters dialog
The SNMP (Simple Network Management Protocol) GET message allows the Network Monitor
Engine to request information about a specific variable on a remote computer or device. Upon
receiving a GET message, the agent will issue GFI Network Server Monitor Engine a GET-
RESPONSE message containing either the information requested or an error indicating why the
request cannot be processed.
An SNMP function requires the following parameters:
» Community String – Specify the SNMP community string to be used, by default: „public‟.
» OID (Object ID) – Specify the Object ID. This is a unique identification tag, which could be
either an alphanumeric name or the physical name (long numeric tag), used to distinguish
each variable in SNMP messages.
» OID Data type – Select the data type to be used from the available dropdown list. The
following are valid/supported data types: Bit Stream, Counter, Integer, IP address,
Object Identifier, Opaque String, String, Time Marks and Unsigned Integer.
» OID Data must be – Specify an OID data value and select the operand to be used to
compare the actual SNMP value against the „IOD Data Value‟ specified. Supported
operands include Equal To, Not Equal To, Less Than, Less or Equal To, Greater Than,
Greater or Equal To.
4.4 Windows OS generic checks
4.4.1 Generic VB Script
The VBscript function allows you to create custom checks using VBscripts. For more information
about writing scripts, please refer to the „Writing your own monitoring functions‟ chapter.