Basic Snmp Components - Cisco ONS 15600 Reference Manual

Chapter 13 SNMP

13.2 Basic SNMP Components

In general terms, an SNMP-managed network consists of a management system, agents, and managed
devices.
A network might be managed by one or several management systems. A management system such as HP
OpenView executes monitoring applications and controls managed devices. Management systems
execute most of the management processes and provide the bulk of memory resources used for network
management.
the managed devices.
Figure 13-2
An agent (such as SNMP) residing on each managed device translates local management information
data—such as performance information or event and error information—caught in software traps, into a
readable form for the management system.
transport data to the network management software.
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Figure 13-2 illustrates the relationship between the network manager, SNMP agent, and
Example of the Primary SNMP Components
Agent
Management
Database
Managed Devices
Management
Entity
NMS
Agent
Management
Database
Figure 13-3 illustrates SNMP agent get-requests that
Cisco ONS 15600 SDH Reference Manual, Release 9.0

13.2 Basic SNMP Components

Agent
Management
Database
13-3