Use NTP Time Synchronization

Enables NTP time synchronization.

Add a New NTP Server

Displays the controls to add a server.

Hostname or IP Address

Specify the hostname or IP address for the NTP server. For IPv6 specify an IP address using this format: eight 16-bit hexadecimal strings separated by colons, 128-bits. For example:

You don’t need to include leading zeros. For example:

You can replace consecutive zero strings with double colons (::). For example:

Version

Select the NTP server version from the drop-down list: 3 or 4.

Enabled/Disabled

Select Enabled from the drop-down list to connect to the NTP server. Select Disabled from the drop-down list to disconnect from the NTP server.

Key ID

Specify the MD5 key identifier to use to authenticate the NTP server. The valid range is from 1 to 65534. The key ID must appear on the trusted keys list.

Add a New NTP Authentication Key

Displays the controls to add an authentication key to the key list. Both trusted and untrusted keys appear on the list.

Key ID

Optionally, specify the secret MD5 key identifier for the NTP server. The valid range is from 1 to 65534.

Secret (Text)

Specify the shared secret. You must configure the same shared secret for both the NTP server and the NTP client to use MD5-based cryptography.

The shared secret:

The secret appears in the key list as its MD5 hash value.