34 © 2009 VBrick Systems, Inc.
Configuration: Encoder > Announce (SAP)
Contains parameters used to change the SAP (Session Announcement Protocol)
advertisements. SAPs are advertisement packets that are transmitted by VBrick appliances to
other VBrick appliances and VBrick applications such as the Portal Server and
StreamPlayerPlus. They are used to identify streams present in the network.
Type of Service The TOS (Type of Service) can be configured in the IP header to
establish packet priority in the network.
Unicast Ping Feature for primary destination can be enabled, disabled. If the VBrick
is designated to transmit a transport stream to any destination
(whether another VBrick or not) in Unicast mode, this parameter is
used to instruct the VBrick to ping the destination periodically to test
connectivity before sending the stream. If Unicast Ping is not enabled,
and the destination goes off-line, the Unicast stream may be broadcast
to all destinations on the network, flooding the network. This feature
should only be disabled if the network has a particular requirement
that makes it unworkable.
Join Own Multicast Some network equipment requires that a Multicast source (such as a
VBrick encoder) join its own Multicast group. This feature is enabled
by default and has no adverse affect on equipment that is fully
multicast-supported.
Disable Transmit
on Video Input
Problem
Stop sending and free up bandwidth if there is an interruption for any
reason in video input.
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