Installation Guide

Chapter 3: Operation System statistics
Page
3-77
snmpUnknownSecurityMod
els
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.
snmpUnknownPDUHandler
s
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.
usmStatsUnsupportedSecL
evels
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.
usmStatsNotInTimeWindo
ws
The total number of packets received by the SNMP engine which
were dropped because they appeared outside of the authoritative
SNMP engine's window.
usmStatsUnknownUserNa
mes
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.
usmStatsUnknownEngineI
Ds
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.
usmStatsDecryptionErrors 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.
snmpUnavailableContexts 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.