User's Manual

Chapter 9: Operation
System statistics
Page 9-68
snmpUnknownSecurityM
odels
The total number of packets received by the SNMP engine which
were dropped because they referenced a securityModel that was
not known to or supported by the SNMP engine.
snmpInvalidMsgs
The total number of packets received by the SNMP engine which
were dropped because there were invalid or inconsistent
components in the SNMP message.
snmpUnknownPDUHandl
ers
The total number of packets received by the SNMP engine which
were dropped because the PDU contained in the packet could
not be passed to an application responsible for handling the
pduType, e.g. no SNMP application had registered for the proper
combination of the contextEngineID and the pduType.
usmStatsUnsupportedSec
Levels
The total number of packets received by the SNMP engine which
were dropped because they requested a securityLevel that was
unknown to the SNMP engine or otherwise unavailable.
usmStatsNotInTimeWind
ows
The total number of packets received by the SNMP engine which
were dropped because they appeared outside of the
authoritative SNMP engine's window.
usmStatsUnknownUserN
ames
The total number of packets received by the SNMP engine which
were dropped because they referenced a user that was not
known to the SNMP engine.
usmStatsUnknownEngine
IDs
The total number of packets received by the SNMP engine which
were dropped because they referenced a snmpEngineID that was
not known to the SNMP engine.
usmStatsWrongDigests
The total number of packets received by the SNMP engine which
were dropped because they didn't contain the expected digest
value.
usmStatsDecryptionError
s
The total number of packets received by the SNMP engine which
were dropped because they could not be decrypted.
snmpTargetSpinLock
This object is used to facilitate modification of table entries in the
SNMP-TARGET-MIB module by multiple managers.
snmpUnavailableContext
s
The total number of packets received by the SNMP engine which
were dropped because the context contained in the message
was unavailable.
snmpUnknownContexts
The total number of packets received by the SNMP engine which
were dropped because the context contained in the message
was unknown.
usmUserSpinLock
The use of usmUserSpinlock is to avoid conflicts with another
SNMP command generator application which may also be acting
on the usmUserTable.