Lantronix SISPM1040-xxxx-L3 Web User Guide
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Buttons
Configure NTP Server: Click to display the NTP Configuration page (see below).
Apply: Click to save changes.
Reset: Click to undo any changes made locally and revert to previously saved values.
Configure NTP Server
When you select “Use NTP Server” from the System > System Time menu path, the NTP Configuration page
displays.
NTP (Network Time Protocol) is used to sync the network time based Greenwich Mean Time (GMT). If using NTP
mode and you select a built-in NTP time server or manually specify an NTP server and Time Zone, the switch will
sync the time in a short while after clicking the Apply button. Although it synchronizes the time automatically, NTP
does not update the time periodically without user processing.
Time Zone is an offset time of GMT. You must select the time zone first and then perform time sync via NTP
because the switch will combine this time zone offset and updated NTP time to determine the local time,
otherwise, you will not able to get the correct time. The switch supports configurable time zones from –12 to +13
step 1 hour.
Default Time zone: +8 Hrs.
Automatic: At the dropdown select Disabled (default) or Enabled.
Server address via DHCP: Not used.
NTP Time-Sync Interval: The switch is periodically transmitting NTP frames to its servers for having the network
time information up-to-date. The interval between each NTP frame is determined by the NTP Time-Sync Interval
value. Valid values are restricted to 5,10,15,30,60,120 minutes.
Server #: Provide the IPv4 or IPv6 address of a NTP server. IPv6 address is in 128-bit records represented as
eight fields of up to four hexadecimal digits with a colon separating each field (:). For example,
'fe80::215:c5ff:fe03:4dc7'. The symbol '::' is a special syntax that can be used as a shorthand way of representing
multiple 16-bit groups of contiguous zeros; but it can appear only once. It can also represent a legally valid IPv4
address. For example, '::192.1.2.34'. In addition, it can also accept a domain name address.
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