SNMPv2-MIB - RFC 3418 - Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)
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Basic information about SNMP on the entity. Includes:

* sysDescr: A text description of the entity
* sysObjectID: The vendor's authoritative identification of the network management subsystem contained in the entity.

Note: sysUpTime indicates how long the SNMP software has been running on the box, and not how long the box itself has been up (this is a common misconception).

* sysUpTime: The time since the network management portion of the system was last re-initialised. 
* Counters for SNMP requests and responses