DOCSIS 3.1 and NTP
Spectrum upgraded my area to DOCSIS 3.1 to offer 1G/40M service. I believe they
have it configured for 1.7Gbit shared downstream (using DOCSIS 3.1) and ~100Mbit
shared upstream (sharing the legacy DOCSIS 3.0 upstream channels). This is
unverified because the modem (a Technicolor TC4400-AM) has