ntp server

Add an IP address for a Network Time Protocol (NTP) server or modify existing NTP server parameters. You can configure a maximum of 10 IPv4 NTP servers and 10 IPv6 NTP servers.

Syntax

default ntp server WORD<0-255>
default ntp server WORD<0-255> auth-enable
default ntp server WORD<0-255> authentication-key
default ntp server WORD<0-255> enable
default ntp server WORD<0-255> source-ip
no ntp server WORD<0-255>
no ntp server WORD<0-255> auth-enable
no ntp server WORD<0-255> enable
ntp server WORD<0-255>
ntp server WORD<0-255> auth-enable
ntp server WORD<0-255> authentication-key <0-65534>
ntp server WORD<0-255> enable
ntp server WORD<0-255> source-ip

Command Parameters

auth-enable: Activates MD5 or SHA1 authentication on this Network Time Protocol (NTP) server. Without this option, the NTP server will not have any authentication by default.
authentication-key <0-65534>: Specifies the key ID value used to generate the MD5 or SHA1 digest for the Network Time Protocol (NTP) server. The default authentication key is 0, which indicates disabled authentication.
enable: Activates the Network Time Protocol (NTP) server.
WORD<0-255>: Specifies the IPv4 or IPv6 address of the NTP server.

Default

The default configuration does not use MD5 authentication.

Command Mode

Global Configuration