Bedienungsanleitung Axis P3344 (Seite 42 von 68) (Englisch)

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AXIS P33 Series - System Options

QoS (Quality of Service)

Quality of Service (QoS) guarantees 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 can

be summarized as:

• 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 bandwidth 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 network cameras mark the following types of traffic:

•video

•event/alarm

• 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 the 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 IP addresses) and port numbers for your primary and secondary mail servers in the fields provided, to

enable the sending of notifications and image email messages from the camera to predefined addresses via SMTP.

If your mail server requires authentication, check the box for Use authentication to log in to this server and enter the

necessary information. See the online help for more information.

SNMP

The Simple Network Management Protocol (SNMP) allows remote management of network devices. An SNMP community is

the group of devices and management station running SNMP. Community names are used to identify groups.

Depending on the level of security required, select the version of SNMP to use. The three levels of security are:

SNMP v1/v2 - Select either SNMP v1 that includes no security, or SNMP v2c that uses very simple security.

The community name can be specified as a password for read or read/write access to all supported SNMP objects. The

community is the group of network devices using SNMP. The default password for the Read Community is public and the

default password for the Write community is write.

Traps for SNMP v1/v2

Traps are used by the camera to send messages to a management system for important events or status changes.

If Enable traps is selected, enter the email address where the trap message is to be sent as well as the Trap community that

should receive the message.

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Axis P3344 Seite 42

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