Axis Q8741-E - Performance Considerations

AXISQ87BispectralPTZNetworkCameraSeries
Troubleshooting
ProblemssettingtheIPaddress
Theproductislocatedona
differentsubnet
IftheIPaddressintendedfortheproductandtheIPaddressofthecomputerusedtoaccessthe
productarelocatedondifferentsubnets,youcannotsettheIPaddress.Contactyournetwork
administratortoobtainanIPaddress.
TheIPaddressisbeingused
byanotherdevice
DisconnecttheAxisproductfromthenetwork.Runthepingcommand(inaCommand/DOS
window,typepingandtheIPaddressoftheproduct):
•Ifyoureceive:Replyfrom<IPaddress>:bytes=32;time=10...
thismeansthattheIPaddressmayalreadybeinusebyanotherdeviceonthenetwork.
ObtainanewIPaddressfromthenetworkadministratorandreinstalltheproduct.
•Ifyoureceive:Requesttimedout,thismeansthattheIPaddressisavailable
forusewiththeAxisproduct.Checkallcablingandreinstalltheproduct.
PossibleIPaddressconict
withanotherdeviceonthe
samesubnet
ThestaticIPaddressintheAxisproductisusedbeforetheDHCPserversetsadynamicaddress.
ThismeansthatifthesamedefaultstaticIPaddressisalsousedbyanotherdevice,theremay
beproblemsaccessingtheproduct.
Theproductcannotbeaccessedfromabrowser
Cannotlogin
WhenHTTPSisenabled,ensurethatthecorrectprotocol(HTTPorHTTPS)isusedwhenattempting
tologin.Youmayneedtomanuallytypehttporhttpsinthebrowser’saddresseld.
Ifthepasswordfortheuserrootislost,theproductmustberesettothefactorydefaultsettings.
SeeResettofactorydefaultsettingsonpage15.
TheIPaddresshasbeen
changedbyDHCP
Theproductisaccessiblelocallybutnotexternally
Routerconguration
CheckthatyourrouterallowsincomingdatatrafctotheAxisproduct.Theroutermustsupport
UPnP
®
.
Firewallprotection
ChecktheInternetrewallwithyournetworkadministrator.
Performanceconsiderations
Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationsaffecttheperformance.Somefactors
affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe
CPUreachesitsmaximum,thisalsoaffectstheframerate.
Thefollowingfactorsarethemostimportanttoconsider:
•Highimageresolutionorlowercompressionlevelsresultinimagescontainingmoredatawhichinturnaffectsthe
bandwidth.
•AccessbylargenumbersofMotionJPEGorunicastH.264clientsaffectsthebandwidth.
•Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclientsaffectsbothframerateand
bandwidth.
Useidenticalstreamswhereverpossibletomaintainahighframerate.Streamprolescanbeusedtoensurethat
streamsareidentical.
•AccessingMotionJPEGandH.264videostreamssimultaneouslyaffectsbothframerateandbandwidth.
•Heavyusageofeventsettingsaffectstheproduct’sCPUloadwhichinturnaffectstheframerate.
•UsingHTTPSmayreduceframerate,inparticularifstreamingMotionJPEG.
•Heavynetworkutilizationduetopoorinfrastructureaffectsthebandwidth.
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