Administrator Guide

Usage Information Coordinated universal time (UTC) is the time standard based on the International Atomic Time standard,
commonly known as Greenwich Mean time. When determining system time, include the differentiator between
UTC and your local timezone. For example, San Jose, CA is the Pacific Timezone with a UTC offset of -8.
debug ntp
Display Network Time Protocol (NTP) transactions and protocol messages for troubleshooting.
Syntax
debug ntp {level level-number}
To disable debugging of NTP transactions, use the no debug ntp {level level-number} command.
Parameters
level Enter the keyword level then the level–number to display information about NTP logs.
The log level range is from 1 to 6.
• 1 is the most important log level.
• 6 is the least important log level.
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.14(1.0) Introduced on the S4810 and S4820T.
9.14(0.0) Introduced on the C9010, FN–IOM, MIOA, MXL, S3048–ON, S4048–ON, S4048T-ON,
S5048F-ON, S6000, S6000–ON, S6010-ON, S6100–ON, and Z9100–ON.
ntp authenticate
Enable authentication of NTP traffic between the switch and the NTP time serving hosts.
Syntax
ntp authenticate
To disable NTP authentication, use the no ntp authentication command.
Defaults Not enabled.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100–ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
1538 System Time and Date