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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
NTP Commands on Cisco IOS XR Software
authentication-key (NTP)
SMR-429
Cisco ASR 14000 Series Router System Management Command Reference
OL-17231-01
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.
authentication-key
key-number
md5
[
clear
|
encrypted
]
key-name
no
authentication-key
key-number
Syntax Description
Defaults
No authentication key is defined for NTP.
Command Modes
NTP configuration
Command History
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.
Note
When this command is written to NVRAM, the key is encrypted so that it is not displayed when the
configuration is displayed.
Task ID
key-number
Authentication key. A number in the range from 1 to 65535.
md5
Provides message authentication support using the Message Digest 5 (MD5)
algorithm.
clear
(Optional) Specifies that the key value entered after this keyword is
unencrypted.
encrypted
(Optional) Specifies that the key value entered after this keyword is
encrypted.
key-name
Key value. The maximum length is 32 characters.
Release
Modification
Release 3.7.1
This command was introduced on the Cisco ASR 14000 Series Router.
Task ID
Operations
ip-services
read, write