NTP Configuration Menu
Page 12-14
For example, to add broadcast address 1.1.1.1 with a key identifier of 5, using version 3 of
NTP, and a minimum poll time of 16 seconds, you would enter the following:
ntpbcast 1.1.1.1 5 3 4
When you have finished press <return>. A brief message appears confirming the addition of a
new server.

Unconfigure Existing Peer Associations

You can remove server, peer, or reference clock associations for this switch using the ntpun-
config command. This will remove a selected address from this switch’s list of configured
addresses. To do this, enter the ntpunconfig command as follows:
ntpunconfig <address>
where <address> is the either the domain name or IP address of the association. For exam-
ple, to remove a peer association with address 1.1.1.1, enter the following:
ntpunconfig 1.1.1.1
When you have finished press <return>. A brief message appears confirming the addition of a
new server.
You can remove multiple addresses at one time by adding additional addresses to the
command. For example, to remove a peer association with address 1.1.1.1 and a reference
clock association with address 1.1.1.2, enter:
ntpunconfig 1.1.1.1 1.1.1.2
When you have finished press <return>. A brief message appears confirming the removal of
the association.

Set the Server’s Advertised Precision

If necessary, you can adjust the server’s advertised precision. The precision of a server is a
signed integer indicating the precision of the clocks in seconds to the nearest power of 2. It
determines how accurate the clock is under normal circumstances, and allows NTP to deter-
mine which is the best time source for synchronization. To set the servers advertised preci-
sion, enter the ntpprec command as shown:
ntpprec <interval>
where <interval> is the signed integer in seconds. This number must be between -4 and -20.
For example, to set the server’s advertised precision to -5, you would enter the following:
ntpprec -5
When you have finished press <return>. A brief message appears confirming the change of the
advertised precision.
♦ Note ♦
The determination of a server’s advertised precision in
based largely on the clock type used as the ultimate
time source (stratum 1).