SAP for Multicast
Session Announcement Protocol (SAP) is a protocol to announce available Multicast streams in local networks. Clients on the network listens for announces and receives information such:
- Stream name
- Multicast address and port
- TTL
- Stream format - RTP or UDP
Astra send SAP packets to the multicast group 239.255.255.255 port 9875.
Configure Astra
Section titled “Configure Astra”In the Output address append sap option to turn the SAP announcements on.
Receiving SAP with VLC
Section titled “Receiving SAP with VLC”Open VLC Media Player and in the Playlist select Local Network → Network streams (SAP). VLC receives SAP announcements and list all available streams. Double click on the stream to start playing.