Bosch VideoJet 8008 User Manual Page 91

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VideoJet 8008 | Installation and Operating Manual
EN | 91
Bosch Security Systems | 2005-06 | V2.0 Configuration using a Web Browser
Multicasting
In addition to a 1:1 connection between an encoder and a single receiver
(unicast), the VideoJet 8008 can enable multiple receivers to receive the video
signal from an encoder simultaneously. This is either done by duplicating the
data stream in the unit and then distributing it to multiple receivers (multi-unicast)
or by distributing an individual data stream in the network itself to multiple
receivers in a defined group (multicast). A dedicated multicast address and port
can be specified for each stream on each of the eight encoders. You can switch
between streams by clicking the associated tabs.
Note
The prerequisite for multicast operation is a multicast-capable network that
uses the UDP and IGMP protocols. Other group membership protocols are
not supported. The TCP protocol does not support multicast connections.
A special IP address (class D address) must be configured for multicast
operation in a multicast-enabled network.
The network must support group IP addresses and the Internet Group
Management Protocol (IGMP V2). The address range is from 224.0.1.0 to
239.255.255.255.
The multicast address can be the same for multiple streams. However, it is then
necessary to use a different port in each case so that multiple data streams are
not sent simultaneously using the same port and multicast address.
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