AutoDome Easy IP
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Bosch Security Systems, Inc.
Installation Manual
F01U079609 | 1.0 | 2008.08
12.10.2
Multicasting
Certain encoding devices can transmit a video signal to multiple
receivers simultaneously. This feature either duplicates the data
stream in the encoder device with subsequent distribution to
multiple receivers (called multi-unicast), or distributes a single
data stream over the network to a number of receivers in a
defined group (true multicasting).
The TCP/IP protocol does not support multicasting, therefore
you must implement the User Datagram Protocol (UDP) and the
Internet Group Management Protocol version 3 (IGMP V3) on
top of the IP network.
You must also configure a special Class-D IP address in the
Multicast-enabled network. This Multicast IP address can be
the same for multiple encoder devices. If you do use the same
address, however, you must define a different port number in
each device so that the encoder does not send multiple data
streams over the same port and the Multicast IP address. The
address range is from 225.0.0.0 to 239.255.255.255. The
multicast address can be the same for multiple AutoDome Easy
IP units.
–
Multicast Address Video 1
Type a valid Multicast IP address for the encoder stream to
enable true Multicasting. To enable the Multi-unicast
mode, type 0.0.0.0 as the Multicast IP address.
–
Port
Type a value to assign different port addresses for each
AutoDome Easy IP unit. You must use different port
addresses if simultaneous data streams utilize the same
Multicast IP address.
–
Streaming
Check the box to enable Multicasting.
i
NOTICE!
Duplication of data places a heavy demand on the unit and can
lead to impairment of the image quality under certain
circumstances.
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