Developers guide

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o Each of the Request messages will immediately generate a response message.
Trap
o Agents can asynchronously send Traps (similar to interrupts) to notify the NMS of
some event which occurred on the managed device.
Response
NMS
Send
Requests
Network
Agent
Trap
Daemon
MIB
Events
T
r
a
p
T
r
a
p
T
r
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p
T
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Receive
Response
Response
RequestRequest
Figure D-2 SNMP architecture