Cisco ASR 14000 Series Management Command Reference page 104

clear (global)
interface POS0/2/0/0
ipv4 address 1.1.1.1 255.0.0.0
!
end
RP/0/RP0/CPU0:router(config)# clear
RP/0/RP0/CPU0:router(config)# show configuration
Building configuration...
end
Related Commands Command
abort
clear (EXEC)
commit
end
exit
Cisco ASR 14000 Series Router System Management Command Reference
SMR-102
Configuration Management Commands on Cisco IOS XR Software
Description
Ends a configuration session without saving changes to the target
configuration.
Resets command functions in administration EXEC mode or in EXEC
mode.
Merges the target configuration to the running configuration.
Terminates a session and returns the router to EXEC mode from any
configuration mode.
Exits from the current configuration mode to the next higher
command mode or logs out from the terminal session.
OL-17231-01