Reference Guide
1488 | System Time and Date
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Command
History
Usage
Information
The number parameter in the ntp trusted-key command must be the same number as 
the 
number parameter in the ntp authentication-key command. If you change the ntp 
authentication-key command, you must also change the ntp trusted-key command.
Related
Commands
ntp update-calendar
c e s
Configure the FTOS to update the calendar (the hardware clock) with the 
NTP-derived time.
Syntax
ntp update-calendar 
[minutes]
To return to default setting, enter 
no ntp update-calendar.
Parameters
Defaults
Not enabled.
Command Modes
CONFIGURATION
Command
History
show calendar
c e s
Display the current date and time based on the switch hardware clock.
Syntax show calendar
Command Modes
EXEC
EXEC Privilege
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series
ntp authentication-key Set an authentication key for NTP.
ntp authenticate Enable the NTP authentication parameters you set.
minutes
(OPTIONAL) Enter the number of minutes between updates from NTP to the 
hardware clock.
Range: 1 to 1440.
Default: 60 minutes.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series










