Cisco ASR 14000 Series Management Command Reference page 431

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
authentication-key (NTP)
To define an authentication key for a trusted Network Time Protocol (NTP) time source, use the
authentication-key command in NTP configuration mode. To restore the system to its default condition,
use the no form of this command.
Syntax Description
key-number
md5
clear
encrypted
key-name
Defaults No authentication key is defined for NTP.
Command Modes
NTP configuration
Command History Release
Release 3.7.1
Usage Guidelines To use this command, you must be in a user group associated with a task group that includes the proper
task IDs.
Use the authentication-key command to define authentication keys for use with trusted NTP time
sources.
When this command is written to NVRAM, the key is encrypted so that it is not displayed when the
Note
configuration is displayed.
Task ID Task ID
ip-services
OL-17231-01
authentication-key key-number md5 [clear | encrypted] key-name
no authentication-key key-number
Authentication key. A number in the range from 1 to 65535.
Provides message authentication support using the Message Digest 5 (MD5)
algorithm.
(Optional) Specifies that the key value entered after this keyword is
unencrypted.
(Optional) Specifies that the key value entered after this keyword is
encrypted.
Key value. The maximum length is 32 characters.
Modification
This command was introduced on the Cisco ASR 14000 Series Router.
Operations
read, write
Cisco ASR 14000 Series Router System Management Command Reference
authentication-key (NTP)
SMR-429