Overview of Basic SNMP Building Blocks
About Basic SNMP Message Types and Commands
Figure 1 illustrates the relationship between the managed devices, the agent, and the NMS.
Figure 1 An SNMP-Managed Network
Management
Entity
NMS
Agent | Agent |
Management | Management |
Database | Database |
Agent
Management
Database
Managed Devices
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About Basic SNMP Message Types and Commands
There are three basic SNMP message types:
•
•
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The Cisco IOS generates SNMP traps for many distinct network conditions. Through SNMP traps, the Network Operations Center (NOC) is notified of network events, such as:
`Link up/down changes
`Configuration changes
`Temperature thresholds
`CPU overloads
Note For a list of
Basic Dial NMS Implementation Guide
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