126 Clock
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
•
sntp
— SNTP servers
Default Configuration
No external clock source.
Command Mode
Global Configuration mode
User Guidelines
There are no user guidelines for this command.
Examples
The following example configures an external time source for the system clock.
clock timezone
The clock timezone Global Configuration mode command sets the time zone for display purposes. Use the
no form of this command to set the time to the Coordinated Universal Time (UTC).
Syntax
•
clock timezone
hours-offset
[
minutes
minutes-offset
] [
zone
acronym
]
• no clock timezone
•
hours-offset —
Hours difference from UTC. (Range: -12
– +
13)
•
minutes-offset —
Minutes difference from UTC. (Range: 0
–
59)
•
acronym —
The acronym of the time zone. (Range: Up to 4 characters)
Default Configuration
Clock set to UTC.
Command Mode
Global Configuration mode.
Console(config)# clock source sntp
book.book Page 126 Thursday, December 18, 2008 7:40 PM
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