TUT:SNMP

SNMP, at it's core, allows a management station to treat it's network as a distributed database of health and configuration information (and much more). It's a IETF standardized protocol and "should" work the same way across every implementation. Even the data that can be retrieved and manipulated via SNMP is standardized in TUT:MIBs so conversing with one host about, for example, its routing table can be done in the same way regardless of which vendor created the device being spoken to.

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SNMP stands for "Simple Network Management Protocol". The protocol is "simple" (but not necessarily its implementation) as it contains only a few important operations. These operations are functionally:

GET	Retrieve data from a network node
GETNEXT	Retrieve the next element from a network node (more on this later)
SET	Send configuration or control commands to a network node
TRAP	A network node can send a notification to the management station
INFORM	An acknowledged trap (network nodes can try and send it again if no acknowledgement is received)