CLI Guide

Command Modes CONFIGURATION
Supported Modes All Modes
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 congure 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 congured.
ntp authenticate
Enable authentication of NTP trac 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 congure an authentication key for NTP trac using the ntp authentication-key command.
Related Commands
ntp authentication-keycongures the authentication key for NTP trac.
ntp trusted-keycongures a key to authenticate.
ntp authentication-key
Specify a key for authenticating the NTP server.
Syntax
ntp authentication-key number md5 [0 | 7] key
Parameters
number Specify a number for the authentication key. The range is from 1 to 4294967295.
This number must be the same as the number parameter congured in the ntp
trusted-key command.
md5 Specify that the authentication key is encrypted using MD5 encryption algorithm.
System Time 1285