Multicast - Sony SNC-EMX30R User Manual

92 en | Configuration
SNMP traps
To choose which traps are sent:
1.
2.
3.
UPnP
Select On to activate UPnP communication. Select Off to deactivate it.
When the Universal Plug-and-Play (UPnP) function is activated, the unit responds to requests
from the network and is automatically registered on the requesting computers as a new
network device. This function should not be used in large installations due to the large number
of registration notifications.
Note:
To use the UPnP function on a Windows computer, both the Universal Plug-and-Play Device
Host and the SSDP Discovery Service must be activated.
Quality of service
The priority of the different data channels can be set by defining the DiffServ Code Point
(DSCP). Enter a number between 0 and 252 as a multiple of four. For alarm video you can set
a higher priority than for regular video and you can define a Post Alarm Time over which this
priority is maintained.
Click Set to apply the changes.
4.7.5

Multicast

The camera can enable multiple receivers to receive the video signal simultaneously. The
stream is either duplicated and then distributed to multiple receivers (Multi-unicast), or it is
sent as a single stream to the network, where it is simultaneously distributed to multiple
receivers in a defined group (Multicast).
Multicast operation requires a multicast-enabled network that uses UDP and the Internet
Group Management protocol (IGMP V2). The network must support group IP addresses. Other
group management protocols are not supported. The TCP protocol does not support multicast
connections.
A special IP address from 225.0.0.0 to 239.255.255.255 (class D address) must be configured
for multicast operation in a multicast-enabled network. The multicast address can be the same
for multiple streams, however, it is necessary to use a different port in each case.
The settings must be made individually for each stream. Enter a dedicated multicast address
and port for each stream. Switch between the streams by clicking the appropriate tabs.
The video channels can be individually selected for each stream.
Enable
Enable simultaneous data reception on receivers that need to activate the multicast function.
To do this, check the box and enter the multicast address.
Multicast Address
Enter a valid multicast address to be operated in multicast mode (duplication of the data
stream in the network).
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Click Select. A dialog box appears.
Click the check boxes of the appropriate traps.
Click Set to close the window and send all of the checked traps.
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Network camera
Sony Corporation