
SNMP, RMON, BootP, DHCP, and RARP Concepts
117362-A Rev. A 2-3
Figure 2-1. Role of SNMP
SNMP Communities
For security reasons, the SNMP agent validates each request from an SNMP
manager before responding to the request, by verifying that the manager belongs
to a valid SNMP community.
SNMP manager
UDP
IP
Network-dependent protocols
GetRequest
GetNextRequest
SetRequest
GetResponse
Trap
SNMP agent
UDP
IP
Network-dependent protocols
GetRequest
GetNextRequest
SetRequest
GetResponse
Trap
Management application
SNMP managed objects
Managed resources
Network or
internetwork
SNMP management station SNMP agent
Application
manages objects
SNMP messages
SNM00012A
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