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WM Configuration
VBrick WM Appliance Admin Guide 47
The HTTP and RTSPU SAPs described above automatically advertise a URL that contains
the VBrick's configured IP address. There are some situations when those URLs won't work
for players—for example when your VBrick is behind a firewall with Network Address
Translations (NAT) or when you are reflecting your VBrick's stream through a server. In
those cases you may wish to send SAPs to advertise a custom URL for your stream that uses
the NATed address of your VBrick or the address of the reflecting server. The
Announce
External Server
configuration gives you the flexibility to advertise any URL for your stream.
Announce External Server -- Slot1
ASX Rollover
In addition to the dedicated multicast-to-unicast rollover mechanism available via the
Unicast Rollover URL in the NSC file (see Configuration: Encoder > Multicast), Windows
Click here to play
the external URL
Click to trigger Windows Media Player to initiate streaming via the
external URL. Right-click and select
Save Target As to save the .asx
and send to others for viewing.
Transmit Enables/disables the transmission of SAPs to advertise the external
URL for this encoder.
Stream
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The external announcement includes the video and audio bit rates
selected in the reflected stream; use this setting to indicate what type of
reflection is being used. For example, select Push Microsoft Reflector
to advertise a publishing point that is receiving a push from this WM
appliance.
• Multicast Microsoft Reflector.
• Push Microsoft Reflector.
• Pull Group1 Microsoft Reflector (default).
• Pull Group2 Microsoft Reflector.
• Pull Group3 Microsoft Reflector.
• Pull All Groups Microsoft Reflector.
Retransmit Time
(sec)
If Transmit is enabled, this setting tells the VBrick how often (in
seconds) to send a SAP.
Time to Live The number of hops (between routers) for which an IP packet is valid
on the network.
Type Of Service The TOS (Type of Service) can be configured in the IP header to
establish SAP packet priority in the network.
IP Address or Host
Name
The IP address or DNS host name to which the SAP information is
sent.
Port The port SAP information is sent out onto the network.
RTSP URL Sets the URL that is advertised in the SAP. It can be RTSP, HTTP, or
any other URL.
Click here to play
the external URL
Click to play or right-click to save the external URL .asx file. The play
option may not work on older versions of Internet Explorer and/or
older versions of Windows operating systems. If necessary, right-click
and save.