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5.5.13 QoS
QoS (Quality of Service) function is used to provide different quality of services for different
network applications. With the deficient bandwidth, the router or switch will sort the data
streams and transfer them according to their priority to solve the network delay and
network congestion by using this function.
Go to Config→Network→QoS.
Video/Audio DSCP: The range is from 0 to 63.
Alarm DSCP: The range is from 0 to 63.
Manager DSCP: The range is from 0 to 63.
Generally speaking, the larger the number is, the higher the priority is.
5.5.14 TS Multicast
By using transport stream multicast (TS Multicast), multiple users can view the video image
simultaneously even if there is not enough bandwidth.
Multicast address: the multicast IP address of Main Stream/Sub Stream/Third Stream
ranges from 224.0.0.0 to 239.255.255.255.
Port: Main stream:2000; sub stream:2001; third stream:2002
Main stream: The address format is “udp://@IP address: main stream port.”
Sub stream: The address format is “udp://@IP address: sub stream port.”
Third stream: The address format is “udp://@IP address: third stream port.”
Audio: if enabled, the video and audio will play automatically.
For example: you can test the TS multicast by using a VLC player. Enter the TS multicast
address (eg. udp://@239.1.0.1:2001) in a VLC player.
Note: The TS multicast user also will be counted as an online user. You can go to
Config→Security→Online User to view.
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