TP-Link TL-SC3171 User Manual page 36

B. Mobile View
If RTSP is On (see Setting →Basic → Camera → General), the screen will display as shown
below.
Viewer Authentication: If the viewer authentication is On, the users will be requested to type in
username and password when viewing through RTSP.
Multicast Streaming (If it is On)
Multicast Address: Specify the multicast server address.
Video/Audio Port: Specify the transmission port number of the video data, which is an even
number from 1024 to 65534. It is set to 10000 and 11000 by default.
Time-To-Live: Set the maximum TTL(Transistor-Transistor Logic) that multicast can pass
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