Select from the network element names defined previously on the Network Element Configuration page.
Enter the IP address for the appropriate network in the Interfaces grid
Select the Interface in the Interfaces grid.
Select the VLAN ID for the network in the Interfaces grid, if applicable.
Select the Prefer checkbox for preferred sources.
Click Add to add the NTP Server IP Address. Enter the NTP Server IP Address in the text box.
Enter the NTP Server IP Address in the text box.
Select the Prefer checkbox for the NTP Server IP Addresses.
Enter a Location.
Click OK to submit the information and return to the Servers Configuration page, or click Apply to submit the information and continue entering additional data.