Reference Guide

1438 | Time and Network Time Protocol (NTP)
www.dell.com | support.dell.com
ntp multicast client
e
Configure the switch to receive NTP information from the network via multicast.
Syntax
ntp multicast client [multicast-address]
To disable multicast reception, use the no ntp multicast client [multicast-address] command.
Parameters
Defaults
Not configured.
Command Modes
INTERFACE
Command
History
ntp server
c e s
Configure an NTP time-serving host.
Syntax
ntp server {hostname | ipv4-address | ipv6-address} [key keyid] [prefer] [version number]
Parameters
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
You can configure multiple time serving hosts (up to 250). From these time serving hosts, the FTOS
will choose one NTP host with which to synchronize. Use the show ntp associations to determine
which server was selected.
multicast-address
(OPTIONAL) Enter a multicast address. Enter either an IPv4 address in dotted
decimal format or an IPv6 address in X:X:X:X::X format. If you do not enter a
multicast address, the address 224.0.1.1 is configured if the interface address is
IPv4 or ff05::101 is configured if the interface address is IPv6.
Version 8.4.1.0 Added support for IPv6 multicast addresses.
pre-Version 6.1.1.0 Introduced for E-Series
ipv4-address |
ipv6-address
Enter an IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X).
hostname
Enter the hostname of the server.
key keyid (OPTIONAL) Enter the keyword key and a number as the NTP peer key.
Range: 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.
Range: 1 to 3
Version 8.4.1.0 Added IPv6 support.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series