User`s manual

VPort 251 User’s Manual System Configuration
Configuring Multicast Settings
Setting Description Default
Multicast group
address
Multicast Group address for sending
video stream.
239.128.0.99
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.
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