Reference Guide

• 224.0.1.1 is configured if the interface address is IPv4
• ff05::101 is configured if the interface address is IPv6
Defaults Not configured.
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.4.1.0 Added support for IPv6 multicast addresses.
Version 8.3.7.0 Introduced on the S4810.
pre-Version
6.1.1.0
Introduced on the E-Series.
ntp server
Configure an NTP time-serving host.
Z-Series
Syntax
ntp server {hostname | ipv4-address | ipv6-address} [key keyid]
[prefer] [version number]
Parameters
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. 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 3.
Defaults Not configured.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
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