Administrator Guide

Defaults NTP authentication is not configured by default. If you do not specify the option [0
| 7], 0 is selected by default.
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 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.2.1.0 Added options [0 | 7] for entering the authentication key.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.0
Introduced on the E-Series.
Usage
Information
After configuring the ntp authentication-key command, configure the ntp
trusted-key command to complete NTP authentication.
Dell Networking OS versions 8.2.1.0 and later use an encryption algorithm to store
the authentication key that is different from previous Dell Networking OS versions;
beginning in version 8.2.1.0, Dell Networking OS uses DES encryption to store the
key in the startup-config when you enter the ntp authentication-key
command. Therefore, if your system boots with a startup-configuration from an
Dell Networking OS versions prior to 8.2.1.0 in which you have configured ntp
authentication-key, the system cannot correctly decrypt the key, and cannot
authenticate NTP packets. In this case you must re-enter this command and save
the running-config to the startup-config.
Related
Commands
ntp authenticate — enables NTP authentication.
ntp trusted-key — configures a trusted key.
ntp broadcast client
Set up the interface to receive NTP broadcasts from an NTP server.
Z-Series
Syntax
ntp broadcast client
To disable broadcast, use the no ntp broadcast client command.
System Time and Date
1549