authenticate

Enables Network Time Protocol (NTP) strict authentication.
Syntax
authenticate
no authenticate
Command Default

Authentication is disabled.

Modes

NTP configuration mode

Usage Guidelines

If authentication is enabled, NTP packets that do not have a valid MAC address are dropped.

The no form of the command disables NTP strict authentication.

Examples

The following example enables NTP strict authentication.

device(config)# ntp
device(config-ntp)# authenticate