enable ntp authentication

enable ntp authentication


Enables NTP authentication globally on the switch.

Syntax Description



NTP authentication is disabled by default.

Usage Guidelines

If authentication is disabled, NTP will not use any authentication mechanism to a server or from clients. To use authentication for a specific server, enable NTP authentication globally, and then configure an RSA Data Security, Inc. MD5 Message-Digest Algorithm or SHA256 key index for the specific server.


The following command enables NTP authentication globally on the switch:

enable ntp authentication


This command was first available in ExtremeXOS 12.7.

Platform Availability

This command is available on ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, and X695 series switches.