AirLink Communications Raven X HSDPA Guide de l'utilisateur Page 85

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Vue de la page 84
Rev 2.0 Jul.09 78
10
10: SNMP : Simple Network
Management Protocol
SNMP Configuration
SNMP MIB Definition
Sample
TheSimpleNetworkManagementProtocol(SNMP)was
designedtoallowremotem anagementandmonitoringofa
varietyofdevicesfromacentrallocation.TheSNMP
managementsystemisgenerallycomposedofagents(suchas
yourRavenXE,arouter,aUPS,awebserver,afileserver,or
othercomputerequipment)
andaNetworkManagement
Station(NMS)whichmonitorsalltheagentsonaspecific
network.Usingthemanagementinformationbase(MIB),an
NMScanincludereporting,networktopologymapping,tools
toallowtrafficmonitoringandtrendanalysis,anddevice
monitoring.
AuthenticationensuresSNMPmessagescomingfromthe
agent,suchastheRavenXE,havenotbeenmodifiedandthe
agentmaynotbequeriedbyunauthorizedusers.SNMPv3
usesaUserBasedSecurityModel(USM)toauthenticateand,
ifdesiredorsupported,messageencryption. USMusesauser
nameandpassword
specifictoeachdevice.
TheRavenXEcanbeconfiguredasanSNMPagentand
supportsSNMPv2candSNMPv3.
Management Information Base (MIB)
Themanagementinformationbase(MIB)isatypeofdatabase
usedtocompiletheinformationfromthevariousSNMP
agents.Reportsfromvariousagents,suchastheRavenXE,are
sentasdatainformdesignedtobeparsedbytheNMSintoits
MIB.Thedataishierarchicalwithentries
addressedthrough
objectidentifiers.
SNMP Traps
SNMPtrapsarealertsthatcanbesentfromthemanaged
devicetotheNetworkManagementStationwhenanevent
happens.YourRavenXEiscapableofsendingthelinkUptrap
whenthenetworkconnectionbecomesavailable.
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