Dell M6220 User Configuration Manual page 276

Figure 11-25. Add SNTP Server
3 In the SNTP Server field, enter the IP address or host name for the new
SNTP server.
4 Specify whether the information entered in the SNTP Server field is an
IPv4 address, IPv6 address, or a hostname (DNS).
5 If you require authentication between the SNTP client on the switch and
the SNTP server, select the Encryption Key ID check box, and then select
the key ID to use.
To define a new encryption key, see "Adding an SNTP Authentication Key"
on page 272.
NOTE:
information to allow time synchronization to take place between the two
devices.
276
Managing General System Settings
The SNTP server must be configured with the same authentication