Administrator Guide

ntp authenticate
Enable authentication of NTP traffic between the switch and the NTP time serving hosts.
C9000 Series
Syntax
ntp authenticate
To disable NTP authentication, use the no ntp authentication command.
Defaults Not enabled.
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.1.1.0 Introduced on the E-Series.
Usage
Information
You also must configure an authentication key for NTP traffic using the ntp authentication-key
command.
Related
Commands
ntp authentication-key — configures the authentication key for NTP traffic.
ntp trusted-key — configures a key to authenticate.
ntp authentication-key
Specify a key for authenticating the NTP server.
Syntax
ntp authentication-key key-number {md5 | sha1} {0 | 7} key
Parameters
key-number Specify a number for the authentication key. The range is from 1 to 65534.
This number must be the same as the number parameter configured in the ntp
trusted-key command.
md5 Specify that the authentication key is encrypted using MD5 encryption algorithm.
sha1 Specify that the authentication key is encrypted using SHA1 encryption algorithm.
0 Specify that authentication key is entered in an unencrypted format (default).
7 Specify that the authentication key is entered in DES encrypted format.
key Enter the authentication key in the previously specified format.
Defaults NTP authentication is not configured by default. If you do not specify the option [0 | 7], 0 is selected by
default.
System Time and Date 1707