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Cisco Systems Cisco IOS XR Manual De Usuario

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Cisco IOS XR Getting Started Guide
OL-10957-02
Chapter 4      Configuring General Router Features
Manually Setting the Router Clock
DETAILED STEPS 
Command or Action
Purpose
Step 1
configure
Example:
RP/0/RP0/CPU0:router# configure
Enters global configuration mode.
Step 2
clock timezone
 
zone hours-offset
Example:
RP/0/RP0/CPU0:router(config)# clock timezone 
pst -8
Sets the time zone for the router clock. 
•
The clock timezone command should be entered 
before the clock is set because it defines the difference 
between the system time and UTC.
Note
The system time is the time that appears when you 
enter the show clock command. 
•
zone: Name of the time zone to be displayed when 
standard time is in effect.
•
hours-offset: Difference in hours from UTC.
•
For detailed information about setting the system 
clock, including the configuration of a network time 
server, see the following Cisco documents:
–
Cisco IOS XR System Management Configuration 
Guide
–
Cisco IOS XR System Security Command 
Reference
Step 3
commit
Example:
RP/0/RP0/CPU0:router(config-if)# commit
Commits the target configuration to the running 
configuration.
Step 4
end
Example:
RP/0/RP0/CPU0:router(config-if)# end
Ends the configuration session and returns to EXEC mode.
Step 5
clock set 
hh
:
mm
:
ss
 
dd
 
mm
 
yyyy
Example:
RP/0/RP0/CPU0:router# clock set 14:12:00 10 feb 
2004
Sets the system software clock.
Step 6
clock update-calendar
Example:
RP/0/RP0/CPU0:router# clock update-calendar
Updates the hardware clock (calendar clock) with the new 
clock settings. 
•
The hardware clock is battery operated and runs 
continuously, even if the router is powered off or 
rebooted. 
Step 7
show clock
Example:
RP/0/RP0/CPU0:router# show clock
Displays the clock setting.
•
Use this command to verify the settings.