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9 Time Settings and NTP
9.1 Setting and checking the time
9.1.1 Supported specifications
Set the clock time at first deployment of the Switch. Time information is used in the Switch's
log entries and in timestamps when files are created. Set the correct time when you begin
using the Switch. You can set the time using the
You can also use Network Time Protocol (NTP) to synchronize the time to an NTP server
on the network.
The following types of NTP client functionality are supported on the Switch.
Table 9-1 NTP client functionality supported on the Switch
Functionality
Unicast mode
Multicast mode
Broadcast mode
Manual time acquisition
Distribution source restriction
Host name specification (using
DNS)
Authentication type
Time adjustment
If the setting for regularly obtaining the time is enabled in the configuration, the Switch
requests the time from the NTP server at startup.
You can set more than one mode at the same time, but only one of them is enabled. You
can perform manual time acquisition regardless of the following conditions.
100
Description
In this mode, the Switch regularly requests the time from the NTP
server.
In this mode, the Switch obtains the time sent from the NTP server as
a multicast message.
In this mode, the Switch obtains the time sent from the NTP server as
a broadcast message.
You can obtain the time from the NTP server by using the
ntp
operation command.
(Unicast mode)
Not supported
Not supported
Not supported
Not supported
set clock
operation command.
set clock
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