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Chapter 2 Monitoring the System
SNMP Basics
The following system components, though not
•System alarm processor (SAP) card
•Power supply modules
•Fans
•Chassis
SNMP Management Information Base
A Management Information Base (MIB) is a collection of information that is organized hierarchically. MIBs are accessed using a network management protocol such as SNMP. They comprise managed objects, which are identified by object identifiers.
A managed object (sometimes called a MIB object or an object) is one of any number of specific characteristics of a managed device. Managed objects comprise one or more object instances, which are essentially variables.
Using SNMP with MIB Variables
System MIB variables are accessible through SNMP as follows:
•Accessing a MIB
•Setting a MIB
Instead of defining a large set of commands, SNMP places all operations in a
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