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BeamOS – NTP

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Summary

Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. This chapter is an overview of the NTP section for BEAM routers.

General

The Time Synchronization section is used to configure general router time settings, like selecting the local time zone, setting a time update interval, synchronizing the time, etc.

The figure below is an example of the Time Synchronization section and the table below provides information about the fields contained in that section:

BeamOS networking ntp general screen
Field Name
Value
Description
Current system time
time; default: none
Current local time of the router.
Time zone
time zone; default: UTC
The router will sync time in accordance with the selected time zone.
Enable NTP
yes | no; default: yes
Turns NTP on or off.
Force servers
yes | no; default: no
Forces unreliable NTP servers.
Update interval (in seconds)
integer; default: 3660
Defines how often the router will update the time.
Save time to flash
yes | no; default: no
Saves last synchronized time to flash memory.
Count of time synchronizations
integer; default: none
The amount of times that router will perform time synchronizations. Leave empty in order to set to infinite.
Offset frequency
integer; default: 0
Adjusts the minor drift of the clock so that it will run more accurately.

NTP Server

The router can also act as an NTP Server, providing clock synchronization to other devices in the network. From this section you can turn this feature on or off:

BeamOS networking ntp server screen

Time Servers

The Time Servers section displays the NTP servers that the router uses. You are provided with 4 default time servers (as seen in the example below), but you can also add custom time servers by clicking the “Add” button or you can edit the given time servers.

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