ProLiant BL e-Class C-GbE Interconnect Switch Command Line Interface Reference Guide

Configuring the Switch Modules using the Command Line Interface
Configuring Switch Module Date and Time
The switch module can maintain the current date and time. This information displays on the
management interfaces and is used to record the date and time of interconnect switch events
in the history log.
When a new switch module is first booted up, the firmware clock starts at zero (0) and counts
the seconds since bootup. In order for the clock to display the real date and time, you must
either
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Manually set the date and time on the interconnect switch, or
Enable Simple Network Time Protocol (SNTP) on the switch module, and then set the
SNTP parameters.
SNTP allows the switch to synchronize its real time to the network time. When SNTP is
enabled, the switch module sends a request to a primary SNTP server in each period of a
specified polling interval asking for the Greenwich Mean Time (GMT). If the primary SNTP
server is not available, the request is sent to a secondary SNTP server.
When SNTP is enabled, the following events cause the switch module to request the date and
time through SNTP:
The polling interval time expires.
Changes are made to the configuration settings for Daylight Saving Time, time zone,
SNTP Server 1 or Server 2, or polling interval .
SNTP state is changed from disabled to enabled.
The following shows the SNTP factory default settings:
Feature Default Value
SNTP Disabled
SNTP Server 1 0.0.0.0
SNTP Server 2 0.0.0.0
SNTP Poll Interval
720 seconds
Time Zone -06.00
Daylight Saving Time (DST) Disabled
Offset in Minutes 60
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