Configuration Guide Configuring NTP
Leap Indicator(LI): indicates a 2-bit leap second indicator.
00: indicates no warning information; 01: indicates that there are 61 seconds in the previous minute; 10: indicates that
there are 59 seconds in the previous minute; 11: indicates that the clock is not synchronized.
Version Number(VN): indicates a 3-bit NTP version number. The current version number is 3.
Mode: indicates a 3-bit NTP working mode.
0: indicates no definition; 1: indicates symmetric active; 2: indicates symmetric passive; 3: indicates a client; 4: indicates
a server; 5: indicates broadcasting; 6: indicates control information; 7: reserved.
Stratum: indicates the 8-bit stratum of a local clock. 0: indicates no definition; 1: indicates the master reference clock
source; other values: indicate slave reference clock sources.
Poll Interval: indicates the poll interval (seconds), which is a 8-bit integer.
Precision: indicates the time precision (seconds) of a local clock, which is a 8-bit integer.
Root Delay: indicates the round-trip time to the master reference clock source, which is a 32-bit integer.
Root Dispersion: indicates the largest difference from the master reference clock source, which is a 32-bit integer.
Reference Clock Identifier: indicates the 32-bit identifier of a reference clock source.
Reference Timestamp: indicates a 64-bit timestamp, namely, the time that is set or corrected at the last time.
Originate Timestamp: indicates a 64-bit timestamp, namely, the local time when a time synchronization request packet
leaves from a client.
Receive Timestamp: indicates a 64-bit timestamp, namely, the local time when a time synchronization request packet
arrives at a server.
Transmit Timestamp: indicates a 64-bit timestamp, namely, the local time when a time synchronization response packet
leaves from a server.
Authenticator (optional): indicates authentication information.
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