tmnxNtpSysStratum
1.3.6.1.4.1.6527.3.1.2.38.1.1.2
The value of tmnxNtpSysStratum indicates the stratum of the
local clock. A higher stratum value has lower accuracy.
0, unspecified
1, primary reference (e.g.,, calibrated atomic clock,
radio clock)
2-255, secondary reference (via NTP)