4
Command Line Interface
clock source
The clock source Global Configuration mode command configures an external time
source for the system clock. Use no form of this command to disable external time
source.
Syntax
clock source {sntp}
no clock source
Parameters
• sntp — SNTP servers
Default Setting
No external clock source
Command Mode
Global Configuration mode
Command Usage
There are no user guidelines for this command.
Example
The following example configures an external time source for the system clock.
Console(config)# clock source sntp
Related Commands
clock set
clock timezone
clock summer-time
clock timezone
The clock timezone Global Configuration mode command sets the time zone for
display purposes. To set the time to the Coordinated Universal Time (UTC), use the
no form of this command.
Syntax
clock timezone hours-offset [minutes minutes-offset] [zone acronym]
no clock timezone
Parameters
• hours-offset — Hours difference from UTC. (Range: -12
• minutes-offset — Minutes difference from UTC. (Range: 0
• acronym — The acronym of the time zone. (Range: Up to 4 characters)
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