Enter either one of the following four URLs in the VLC
1.rtsp://admin:123@192.168.1.11:554/videoMain
2.rtsp:// @192.168.1.11:554/videoMain
3.rtsp://:123@192.168.1.11:554/videoMain
4.rtsp://admin@192.168.1.11:554/videoMain
Open the VLC, and go to "Media"--"Open Network Stream" option, then enter the URL in VLC.
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