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VPort 25 User’s Manual
System Configuration
4-18
Configuring Multicast Settings
Setting
Description
Default
Multicast group
address
Multicast Group address for sending
video stream.
239.127.0.100
Multicast video port
Video port number.
5556
Multicast audio port
Audio port number.
5558
Multicast TTL
Multicast-TTL (Time-to-live) threshold.
There is a certain TTL threshold defined
for each network interface or tunnel. A
multicast packet’s TTL must be larger
than the defined TTL for that packet to be
forwarded across that link.
15
NOTE
Whenever you enable the VPort’s IGMP Multicast stream, note the video/audio port number.