Axis Q8752-E - Performance Considerations

AXISQ8752-EBispectralPTZNetworkCamera
Troubleshooting
ProblemssettingtheIPaddress
Thedeviceislocatedona
differentsubnet
IftheIPaddressintendedforthedeviceandtheIPaddressofthecomputerusedtoaccessthe
devicearelocatedondifferentsubnets,youcannotsettheIPaddress.Contactyournetwork
administratortoobtainanIPaddress.
TheIPaddressisbeingused
byanotherdevice
DisconnecttheAxisdevicefromthenetwork.Runthepingcommand(inaCommand/DOSwindow,
typepingandtheIPaddressofthedevice):
•Ifyoureceive:Replyfrom<IPaddress>:bytes=32;time=10...
thismeansthattheIPaddressmayalreadybeinusebyanotherdeviceonthenetwork.
ObtainanewIPaddressfromthenetworkadministratorandreinstallthedevice.
•Ifyoureceive:Requesttimedout,thismeansthattheIPaddressisavailable
forusewiththeAxisdevice.Checkallcablingandreinstallthedevice.
PossibleIPaddressconict
withanotherdeviceonthe
samesubnet
ThestaticIPaddressintheAxisdeviceisusedbeforetheDHCPserversetsadynamicaddress.
ThismeansthatifthesamedefaultstaticIPaddressisalsousedbyanotherdevice,theremay
beproblemsaccessingthedevice.
Thedevicecan’tbeaccessedfromabrowser
Can’tlogin
WhenHTTPSisenabled,ensurethatthecorrectprotocol(HTTPorHTTPS)isusedwhenattempting
tologin.Youmayneedtomanuallytypehttporhttpsinthebrowser’saddresseld.
Ifthepasswordfortherootaccountislost,thedevicemustberesettothefactorydefaultsettings.
SeeResettofactorydefaultsettingsonpage61.
TheIPaddresshasbeen
changedbyDHCP
IPaddressesobtainedfromaDHCPserveraredynamicandmaychange.IftheIPaddresshasbeen
changed,useAXISIPUtilityorAXISDeviceManagertolocatethedeviceonthenetwork.Identify
thedeviceusingitsmodelorserialnumber,orbytheDNSname(ifthenamehasbeencongured).
Ifrequired,astaticIPaddresscanbeassignedmanually.Forinstructions,gotoaxis.com/support.
Certicateerrorwhenusing
IEEE802.1X
Forauthenticationtoworkproperly,thedateandtimesettingsintheAxisdevicemustbe
synchronizedwithanNTPserver.GotoSystem>Dateandtime.
Thedeviceisaccessiblelocallybutnotexternally
Toaccessthedeviceexternally,werecommendyoutouseoneofthefollowingapplicationsforWindows
®
:
•AXISCompanion:freeofcharge,idealforsmallsystemswithbasicsurveillanceneeds.
•AXISCameraStation:30-daytrialversionfreeofcharge,idealforsmalltomid-sizesystems.
Forinstructionsanddownload,gotoaxis.com/vms.
Can’tconnectoverport8883withMQTToverSSL
Therewallblockstrafc
usingport8883asit’s
deemedinsecure.
Insomecasestheserver/brokermightnotprovideaspecicportforMQTTcommunication.Itmay
stillbepossibletouseMQTToveraportnormallyusedforHTTP/HTTPStrafc.
•Iftheserver/brokersupportsWebSocket/WebSocketSecure(WS/WSS),typicallyon
port443,usethisprotocolinstead.Checkwiththeserver/brokerprovidertoseeif
WS/WSSissupportedandwhichportandbasepathtouse.
•Iftheserver/brokersupportsALPN,theuseofMQTTcanbenegotiatedoveranopen
port,suchas443.Checkwithyourserver/brokerprovidertoseeifALPNissupported
andwhichALPNprotocolandporttouse.
Performanceconsiderations
Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationsaffecttheperformance.Somefactors
affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe
CPUreachesitsmaximum,thisalsoaffectstheframerate.
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