Click Apply to save any changes for the current boot session; the changes take effect immediately.
the IP address to its factory-default value. A manual reset to factory defaults is the only way to
access a switch without the IP address.
Simple Network Time Protocol
The HP 1810 series switch software supports the Simple Network Time Protocol (SNTP). SNTP
ensures accurate network device clock time synchronization up to the millisecond. Time
synchronization is performed by a network SNTP server. The software operates only as an SNTP
client and cannot provide time services to other systems.
The SNTP server port of 123 is used by default. A log message is generated when the configured
SNTP server is unreachable.
NOTE: SNTP acquires the Coordinated Universal Time (UTC) from an SNTP server. Configure
the Time Zone (see “Time Zone” (page 28)) and Daylight Daving Time (see “Daylight Saving Time”
(page 28)) to configure the offsets for your local time zone.
To display the SNTP page, click Network Setup > SNTP in the navigation pane.
Figure 16 SNTP Page
Table 13 SNTP fields
DescriptionField
Select to enable SNTP client mode. Clear to disable SNTP client mode. When disabled, the
system time increments from 00:00:00, 1 Jan 1970, which is set at bootup.
Enable SNTP
Specify the IP address of the SNTP server to send requests to.SNTP/NTP Server
Specify the server's UDP port to listen for responses/broadcasts (range 1–65535, default =
123).
Server Port
Select either 24-hour (“military” time) format or 12-hour (standard) format.Time Format
Last update date and time (UTC) assigned by this server.Last Update
The number of requests made to the SNTP sever since the switch was rebooted.Attempts
The status of the last update request to the SNTP server.Last Update Status
The number of failed SNTP requests made to this server since last reboot.Failures
• Click Apply to save any changes for the current boot session; the changes take effect
immediately.
• Click the Refresh link above the page to re-display the page with current settings from the
switch.
To view a summary of clock information, click Status > Clock in the navigation pane.
Simple Network Time Protocol 27
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