Allied Telesis AT-S100 - Manual (Page 30)

Chapter 2: Configuring the AT-S100 Software
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Setting the NTP Server Address
Setting an NTP server allows the switch to have an official time. The basic
syntax of this command is:
ntp server xxx.xxx.xxx.xxx
To set the IP address of an NTP server to 198.10.1.1, enter the following
commands:
switch# configure terminal
switch(config)# ntp server 198.10.1.1
For more information about this command, see “NTP SERVER” on
page 148.
Turning on NTP Authentication
After you have assigned an NTP server, you can turn on NTP
authentication. The basic syntax of this command is:
ntp authenticate
To turn on NTP authentication, enter the following commands:
switch# configure terminal
switch(config)# ntp authenticate
For more information about this command, see “NTP AUTHENTICATE”
on page 145.
Configuring an NTP Trusted Key
You may want to configure an NTP Trusted key as a security measure to
verify that the NTP server that you have allowed to access your switch is
the one you specified.
The basic syntax of this command is:
ntp trusted-key <1-xx>
To configure an NTP trusted key, enter the following commands:
switch# configure terminal
switch(config)# ntp trusted-key
For more information about this command, see “NTP TRUSTED-KEY” on
page 150.