Cisco ASR 14000 Series Management Command Reference page 457

NTP Commands on Cisco IOS XR Software
C i s c o C o n f i d e n t i a l - B e t a R e v i e w R 3 . 7. 1
Related Commands Command
authenticate (NTP)
authentication-key
(NTP)
OL-17231-01
Description
Enables NTP authentication.
Defines an authentication key for NTP.
Cisco ASR 14000 Series Router System Management Command Reference
trusted-key
SMR-455