Lastmile probe configuration.
The expected maximum receive bitrate in bps in range of [100000,5000000].
The expected maximum sending bitrate in bps in range of [100000,5000000]. It is recommended to set this value according to the required bitrate of selected video profile.
Whether to probe downlink of lastmile.
Whether to probe uplink of lastmile. i.e., audience don't need probe uplink bandwidth.