Safran VersaSync - Page 143

8. To designate a VersaSync as Trusted, click the Submit button. This will gen-
erate a new Groupkey.
9. To designate a VersaSync as a Client or a Server, paste the generated
Groupkey into the Groupkey box, and click the Submit button.
Configuring a Stratum-1 Server as Trusted Host
To configure an NTP Stratum-1 Server as Trusted Host with IFF Group/Client key:
1. Define the Hostname of all NTP servers before proceeding. See "NTP Serv-
ers: Adding, Configuring, Removing" on page121.
2. Disable NTP.
Ensure the time is accurate to a few seconds. Use NTP or manually
set the clocks to set the system time.
3. Verify this VersaSync is, in fact, NTP Stratum1, and its Time, and 1PPS syn-
chronization to GNSS are valid.
4. Under the Autokey tab of the Edit NTP Services window:
Enable Autokey—Check the box.
Autokey Passphrase—Enter your Group members NTP Autokey pass-
word.
Select Certificate Type to Generate—Do NOT enable Client.
Select Trusted.
Click Submit.
5. Observe the IFF Group/Client Key appearing.
This is the common IFF Group/Client Key. This key is shared between
all Group members using this NTP Servers passphrase for ALL group
members.
6. Configure NTP as requiring authentication.
7. Enable NTP in the NTP Services panel.
8. Verify that NTP reaches occur, and that NTP eventually reaches Stratum 1.
Creating a Stratum-1 Group Member Server
To configure an NTP Stratum-1 Server, which is a Group Member, using a Client
key:
1. Define the Hostname, making sure it is unique, i.e. not the same as the trus-
ted root server. See also "General Network Settings" on page1.
2. Disable NTP if enabled.
2.8 Configuring Network Settings
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