Siemens RUGGEDCOM ROX II User Manual page 782

Chapter 17
Time Services
Section 17.8.3
Adding an NTP Server
To configure an NTP server on the device, do the following:
1. Make sure the CLI is in Configuration mode.
2. [Optional] If the communications with the server are to be authenticated, add a server authentication key or
make sure the required key has been configured. For more information, refer to
Server Keys".
3. Add the NTP server by typing:
NOTE
RUGGEDCOM ROX II supports both IPv4 and IPv6 addresses.
services ntp server IP Address
Where:
• IP Address is the address of the remote NTP server
4. Configure the following parameter(s) as required:
Parameter
enabled
peer
minpoll { minpoll }
maxpoll { maxpoll }
iburst
ntp-version { ntp-version }
prefer
key { key }
5. [Optional] Set restrictions to control which NTP services can be accessed on the server. For more information,
refer to Section 17.8.6.2, "Adding a Server
Type commit and press Enter to save the changes, or type revert and press Enter to abort.
6.
736
Turns on the NTP interface to this server.
Allows you to enter and edit peers. Peers are NTP servers of the same stratum as the
router, and are useful when contact is lost with the hosts in the NTP servers menu.
Synopsis: An 8-bit unsigned integer between 4 and 17
Default: 6
The minimum poll interval for NTP messages, in seconds as a power of two.
Synopsis: An 8-bit unsigned integer between 4 and 17
Default: 10
The maximum poll interval for NTP messages, in seconds as a power of two.
When the server is unreachable and at each poll interval, a burst of eight packets is sent
instead of one.
Synopsis: A 32-bit signed integer between 1 and 4
The version of the NTP protocol used to communicate with this host. Change this only if
it is known that the host requires a version other than 4.
Marks this server as preferred.
Synopsis: A string
An authentication key associated with this host.
Restriction".
Section 17.8.5, "Managing
Description
Adding an NTP Server
RUGGEDCOM ROX II
CLI User Guide