Axis M11 Series - Performance Considerations

AXISM11NetworkCameraSeries
Troubleshooting
TheIPaddresshasbeen
changedbyDHCP
IPaddressesobtainedfromaDHCPserveraredynamicandmaychange.IftheIPaddresshasbeen
changed,useAXISIPUtilityorAXISDeviceManagertolocatethedeviceonthenetwork.Identify
thedeviceusingitsmodelorserialnumber,orbytheDNSname(ifthenamehasbeencongured).
Ifrequired,astaticIPaddresscanbeassignedmanually.Forinstructions,gotoaxis.com/support.
Certicateerrorwhenusing
IEEE802.1X
Forauthenticationtoworkproperly,thedateandtimesettingsintheAxisdevicemustbe
synchronizedwithanNTPserver.GotoSettings>System>Dateandtime.
Thedeviceisaccessiblelocallybutnotexternally
Toaccessthedeviceexternally,werecommendusingoneofthefollowingapplicationsforWindows
®
:
•AXISCompanion:freeofcharge,idealforsmallsystemswithbasicsurveillanceneeds.
•AXISCameraStation:30-daytrialversionfreeofcharge,idealforsmalltomid-sizesystems.
Forinstructionsanddownload,gotoaxis.com/products/axis-companion.
Problemswithstreaming
MulticastH.264only
accessiblebylocalclients
Checkifyourroutersupportsmulticasting,oriftheroutersettingsbetweentheclientandthe
deviceneedtobecongured.TheTTL(TimeToLive)valuemayneedtobeincreased.
NomulticastH.264
displayedintheclient
CheckwithyournetworkadministratorthatthemulticastaddressesusedbytheAxisdevice
arevalidforyournetwork.
Checkwithyournetworkadministratortoseeifthereisarewallpreventingviewing.
PoorrenderingofH.264
images
Ensurethatyourgraphicscardisusingthelatestdriver.Thelatestdriverscanusuallybe
downloadedfromthemanufacturer’swebsite.
Colorsaturationisdifferent
inH.264andMotionJPEG
Modifythesettingsforyourgraphicsadapter.Gototheadapter’sdocumentationformore
information.
Lowerframeratethan
expected
•SeePerformanceconsiderationsonpage23.
•Reducethenumberofapplicationsrunningontheclientcomputer.
•Limitthenumberofsimultaneousviewers.
•Checkwiththenetworkadministratorthatthereisenoughbandwidthavailable.
•Lowertheimageresolution.
•Themaximumframespersecondisdependentontheutilityfrequency(60/50Hz)
oftheAxisdevice.
Performanceconsiderations
Whensettingupyoursystem,itisimportanttoconsiderhowvarioussettingsandsituationsaffecttheperformance.Somefactors
affecttheamountofbandwidth(thebitrate)required,otherscanaffecttheframerate,andsomeaffectboth.Iftheloadonthe
CPUreachesitsmaximum,thisalsoaffectstheframerate.
Thefollowingfactorsarethemostimportanttoconsider:
•Highimageresolutionorlowercompressionlevelsresultinimagescontainingmoredatawhichinturnaffectsthe
bandwidth.
•RotatingtheimageintheGUIwillincreasetheproduct'sCPUload.
•AccessbylargenumbersofMotionJPEGorunicastH.264clientsaffectsthebandwidth.
•Simultaneousviewingofdifferentstreams(resolution,compression)bydifferentclientsaffectsbothframerateand
bandwidth.
Useidenticalstreamswhereverpossibletomaintainahighframerate.Streamprolescanbeusedtoensurethat
streamsareidentical.
•AccessingMotionJPEGandH.264videostreamssimultaneouslyaffectsbothframerateandbandwidth.
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