CLI Guide

Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
Usage Information
You can configure multiple time-serving hosts (up to 250). From these time-
serving hosts, the operating system chooses one NTP host with which to
synchronize.
Because many polls to NTP hosts can impact network performance, Dell
Networking recommends limiting the number of hosts configured.
ntp authenticate
Enable authentication of NTP traffic between the switch and the NTP time serving hosts.
Syntax
ntp authenticate
To disable NTP authentication, use the no ntp authentication command.
Defaults Not enabled.
Command Modes CONFIGURATION
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
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 number md5 [0 | 7] key
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System Time