Users Guide

ipv4-address | ipv6-
address
Enter an IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X) of NTP server.
hostname Enter the hostname of the server.
key keyid (OPTIONAL) Enter the keyword key and a number as the NTP peer key. The
range is from 1 to 4294967295.
prefer (OPTIONAL) Enter the keyword prefer to indicate that this peer has priority over
other servers.
version number (OPTIONAL) Enter the keyword version and a number to correspond to the
NTP version used on the server. The range is from 1 to 4.
Defaults Not congured.
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.6(0.0) Added support for VRF.
9.4.(0.0) Added support for VRF.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.11.1 Introduced on the Z9000.
8.4.1.0 Added IPv6 support.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.1.1.0 Introduced on the E-Series.
Usage Information
You can congure multiple time-serving hosts . From these time-serving hosts, the Dell Networking OS
chooses one NTP host with which to synchronize. To determine which server was selected, use the show
ntp associations command.
Because many polls to NTP hosts can impact network performance, Dell Networking recommends limiting
the number of hosts congured.
Related Commands show ntp associations — displays the NTP servers congured and their status.
System Time and Date
1535