Enterasys RoamAbout 3000 Betriebsanweisung Seite 50

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Management and Monitoring
2-14 Planning and Managing Your Wireless Network
previous30days,week,orday.YoucandisplayandprintthechartsfromRASM,aswellas
generateareport.
Client Monitoring
Clientmonitoringprovidescurrentandhistoricalinformationabouttheclientsusingyour
network,includingclientactivity, watchlistclients,currentclientsessions,andtheabilitytolocate
clientsatyoursite.RASMdisplaysthedatathatRoamAboutswitchescollectonusersessions—
eitherforasingleuser,usersassociatedwithan
accesspoint,usersassociatedwithaspecific
radio,orusersaddedtoawatchlist.
Byviewingmonitoringinformationforauseroragroupofusers,youcantroubleshootproblems
originatingfrombandwidthconstraintsorroamingpatterns.Youcancollectstatisticsandview
reportsaboutthefollowing:
•Clientassociations,authentication,
andauthorizationfa ilures
•Clientactivity,suchasroamingandsuccessfulauthorization
Currentsessionstatus,locationhistory,andstatistics
Specificsonusersoveraperiodoftime;informationcanbegatheredupto30daysforsession
status,locationhistory,clienterrors,andclientactivityonusersyouplaceonthewatchlist
If
youuseRASMRFPlanning,youalsocandisplaytheapproximategeographiclocationsof
clients.
Fault Management
TheFaultManagementSystemisafeatureincludedinRASMtomakeiteasiertomanagefaults
(alarms)thatoccurinthenetwork.Afaultoralarm(thesetwotermsareusedinterchangeably)is
generatedbyatrap,arule,astatus,orathresholdexceededevent.TheFaultManagementSystem
monitorstrapsfromEnterasysandOEMdevices.
TheFaultManagementSystemalsomonitorscertaintrapsforthirdpartyapplications,andoffers
administratorstheabilitytoaddnewtrapsupportwhennecessary.ThetypeoftrapandIPsource
determinehownewtrapsupportshouldcorrelatewithexistingtrapsupport.
RASMincorporates
apowerfulandflexibledisplayinterfaceforallalarmscollectedbythe
system.AlarmsarestoredonaperRoamAboutSwitchbasisandare collectedcontinuously.
Createcustomfilterstodrilldowntospecificinformationintheeventlogdatabase.Youcanfilter
alarmsbasedonthefollowing:
Category
Severity
Dateandtime
ranges
•RoamAboutswitch
•RASMclientandserviceslog
•Specifictextstringmatches
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