Axis Communications 241Q user manual QoS Quality of service, Smtp email, QoS Settings

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44AXIS 241Q/241S - System options

QoS (Quality of service)

Quality of Service (QoS) provides the means to guarantee a certain level of a specified resource to selected traffic on a network. Quality can be defined as a maintained level of bandwidth, low latency, and no packet losses. The main benefits of a QoS-aware network are:

The ability to prioritize traffic and thus allow critical flows to be served before flows with lesser priority.

Greater reliability in the network, thanks to the control of the amount of band- width an application may use, and thus control over bandwidth races between applications.

The QoS in Axis network video products marks the data packets for various types of network traffic originating from the product. This makes it possible for network routers and switches to reserve a fixed amount of bandwidth for these types of traffic. The following types of traffic are marked:

live video

event/alarm traffic

management network traffic.

QoS Settings

For each type of network traffic supported by your Axis network video product, enter a DSCP (Differentiated Services Codepoint) value. This value is used to mark the traffic’s IP header. When the marked traffic reaches a network router or switch, the DSCP value in the IP header tells the router or switch which type of treatment to apply to this type of traffic, for example, how much bandwidth to reserve for it.

Note that DSCP values can be entered in decimal or hex form, but saved values are always shown in decimal.

For more information on Quality of Service, please see the Axis support web at www.axis.com/techsup

SMTP (email)

Enter the host names or addresses for your primary and secondary mail servers in the fields provided, to route event and error email messages from the video server to predefined addresses, via SMTP.

If the mail server requires SMTP authentication, check the box for Use authentication to log in to this server and enter the user name and password used for logging in. Several different methods of authentication are available. See the online help for more information.

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Contents Axis 241Q/241S Video Server User’s Manual About This Document Page Axis 241Q/241S Axis 241Q/241S Product description LED indicators PowerNetwork StatusSwitches & connectors Switch DescriptionRear panel Video inputAxis 241Q/241S Product description Using Axis 241Q/241S Accessing the video serverAxis 241Q/241S Using Axis 241Q/241S Live ViewAxis 241Q/241S Using Axis 241Q/241S Motion Jpeg Video streamsVideo stream types Axis Media Control AMC How to stream MPEG-4MPEG-4 protocols and communication methods Other methods of accessing the video stream RTP/RTSP/HTTP or RTP/RTSP/HTTPSOther MPEG-4 clients Configuring the video server Accessing the Setup toolsVideo & image settings Image settingsText Overlay Settings Image AppearanceVideo source settings AdvancedOverlay Settings Quad Stream settings Axis 241Q onlyMjpeg settings Overlay/Mask settings Overlay image requirements Overlay image limitationsUse a Privacy Mask Image Formats Image SizeLive View Config LayoutOwn Home Default Live View Video Axis 241Q onlyModify the Axis Look Default Video Format Default ViewerViewer Settings Action ButtonsSequence Mode Html ExamplesExternal Video Output ButtonsEvent configuration Event ServersEvent Types Event typeHow to set up a triggered event Triggered EventScheduled event How to set up a scheduled eventPre-trigger and post-trigger buffers Camera tampering Motion detectionHow to configure Motion Detection Object SizePort status Installing PTZ devices Pan Tilt ZoomPTZ controls PTZ configurationPreset positions Video sources Tilt bar relative Using CGI links to control PTZ devices PTZ control modesControl panel Guard tourAdvanced Control QueueSystem options SecurityUsers IP Address FilterIeee 802.1x Network Admission Control Axis 241Q/241S System optionsAuthentication process CA serversNetwork Basic TCP/IP settings Date & timeNetwork Advanced TCP/IP settings ServicesDNS configuration NTP ConfigurationNetwork Traffic Link-Local IPv4 AddressNAT traversal port mapping for IPv4 Smtp email QoS Quality of serviceQoS Settings UPnP RTP Multicast/MPEG-4Bonjour Ports & devicesMaintenance SupportSupport Overview System OverviewConfiguration Resetting to the factory default settings Using the Control ButtonPin Unit connectorsD-Sub connector I/O terminal connector Pin Function DescriptionSchematic diagram I/O terminal connector COM ports RS-232 and RS-485To BNC cable Upgrading the firmware TroubleshootingChecking the firmware Emergency recovery procedure Lit Axis video server cannot be accessed from a web browserAlarms, etc, to a destination outside the local network Video Image Problems No images displayed in the Web interfaceSnapshot images Only I framesDownloaded from the manufacturers web site Technical specifications Frame rate Motion JpegIntelligent video Dimensions HxWxD General performance considerations Optimizing your systemAxis 241Q/241S Frame rates Motion JpegFrame rates MPEG-4 Bandwidth Active Speaker a speaker with a built-in power amplifier GlossaryCompression See Image Compression De-interlacing See InterlacingFixed iris See Autoiris Axis 241Q/241S Glossary Megapixel See Pixel Axis 241Q/241S Glossary SSL/TSL URL Uniform Resource Locator An address on the networkVideo camera See Network camera and Cctv video camera Index Http API requests Http port number Http server RTP 14 Rtsp 14 Axis 243SA Index
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