NTP

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Summary[edit | edit source]

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 service section of RUTxxx routers.

General[edit | edit source]

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.

Services ntp general v2.png

field name value description
Current system time time; Default: current time Current local time of the router
Time zone time zone; Default: UTC Time zone of the country where the router is located
Enable NTP yes | no; Default: no SO/IEC 3166 alpha2 country codes as defined in ISO 3166-1 standard
Force servers yes | no; Default: yes Forces unreliable NTP servers
Update interval (in seconds) integer; Default: 3660 How often the router updates systems time
Save time to flash yes | no; Default: yes Saves last synchronized time to flash memory
Count of time synchronizations integer; Default: " " Total amount of times that router will do the synchronization.
NOTE: If left blank - the count will be infinite
GPS synchronization yes | no; Default: no Enables periodic time synchronization of the system using the GPS module (does not require internet connection)
Offset frequency integer; Default: 0 Adjusts the minor drift of the clock so that it will run more accurately
Button: Sync with GPS - Synchronizes the router's time with your GPS time
Button: Sync with browser - Synchronizes the router's time with your browser's time

NTP Server[edit | edit source]

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.

Services ntp general ntp server.png

Time Servers[edit | edit source]

The Time Servers section displays the time 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.

Services ntp time servers v2.png