D-Link DCS-7110 Product Manual - Page 38

Access Name for Stream 1 ~ 5, Multicast and Unicast Streaming Protocols, Always, multicast

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Page 38 highlights

Configuration Access Name for Stream 1 ~ 5: This camera supports multiple streams simultaneously. The access name is used to differentiate the streaming source. If you want to use an RTSP player to access the camera, you have to set the video mode to H.264 / MPEG-4 and use the following RTSP URL command to request transmission of the streaming data. Multicast and Unicast Streaming Protocols You may choose to enable multicast or unicast for your camera audio and video streaming so that your cameras (sources) and the receivers (clients) can establish the connection to send and receive contents. Unicast video transmission delivers a stream through point-to-point transmission. Multicast, on the other hand, sends a stream to the multicast group address and allows multiple clients to acquire the stream at the same time by requesting a copy from the multicast group address. Therefore, enabling multicast can effectively save network bandwidth. An IP Multicast group address is used to send and receive content. Sources use this group address as the destination address while sending their data packets. Receivers use this group address to inform the network that they are interested in receiving packets sent to that group. The ports can be changed to values between 1025 and 65535. The multicast RTP port must be an even number, and the multicast RTCP port number is the multicast RTP port number plus one, and thus is always odd. When the multicast RTP port changes, the multicast RTCP port will change accordingly. Multicast TTL [1~255]: The multicast TTL (Time To Live) is the value that tells the router the range a packet can be forwarded. Click the items to display the detailed configuration information. Select the Always multicast option to enable multicast for stream 1 ~ 4. D-Link DCS-7110 User Manual 38

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38
D-Link DCS-7110 User Manual
Configuration
Access Name for Stream 1 ~ 5:
This camera supports multiple streams simultaneously.
The access name is used to differentiate the streaming source. If you want to use an
RTSP player to access the camera, you have to set the video mode to H.264 / MPEG-4
and use the following RTSP URL command to request transmission of the streaming
data.
Multicast and Unicast Streaming Protocols
You may choose to enable multicast or unicast for your camera audio and video
streaming so that your cameras (sources) and the receivers (clients) can establish the
connection to send and receive contents.
Unicast video transmission delivers a stream through point-to-point transmission.
Multicast, on the other hand, sends a stream to the multicast group address and
allows multiple clients to acquire the stream at the same time by requesting a copy
from the multicast group address. Therefore, enabling multicast can effectively save
network bandwidth.
An IP Multicast group address is used to send and receive content. Sources use this
group address as the destination address while sending their data packets. Receivers
use this group address to inform the network that they are interested in receiving
packets sent to that group.
The ports can be changed to values between 1025 and 65535. The multicast RTP port
must be an even number, and the multicast RTCP port number is the multicast RTP
port number plus one, and thus is always odd. When the multicast RTP port changes,
the multicast RTCP port will change accordingly.
Multicast TTL [1~255]: The multicast TTL (Time To Live) is the value that tells the
router the range a packet can be forwarded.
Click the items to display the detailed configuration information. Select the
Always
multicast
option to enable multicast for stream 1 ~ 4.