Configuring Network Time Protocol (NTP) Configuring NTP
OmniSwitch 6800/6850/9000 Switch Management Guide December 2007 page 3-11
Setting the Version Number
There are currently four versions of NTP available (numbered one through four). The version that the NTP
server uses must be specified on the client side.
To specify the NTP version on the server from which the switch receives updates, use the ntp server
command with the server IP address (or domain name), version keyword, and version number, as shown:
-> ntp server 1.1.1.1 version 3
The default setting is version 4.
Marking a Server as Preferred
If a client receives timestamp updates from more than one server, it is possible to mark one of the servers
as the preferred server. A preferred server’s timestamp will be used before another unpreferred server
timestamp.
To specify an NTP as preferred, use the ntp server command with the server IP address (or domain name)
and the prefer keyword, as shown:
-> ntp server 1.1.1.1 prefer
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