Reference Guide

System Time and Date | 1441
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
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.
Version 8.3.7.0 Introduced on S4810
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