Command Line Reference Guide

1048 | Time and Network Time Protocol (NTP)
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ntp disable
c e s
Prevent an interface from receiving NTP packets.
Syntax
ntp disable
To re-enable NTP on an interface, enter no ntp disable.
Default
Disabled (that is, if an NTP host is configured, all interfaces receive NTP packets)
Command Modes
INTERFACE
Command
History
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 address [key keyid] [prefer] [version number]
To delete an NTP server configuration, use the no ntp server ip-address command.
Parameters
Version 8.3.5.0 Introduced on S55
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
multicast-address
(OPTIONAL) Enter a multicast address. If you do not enter a multicast address,
the address 224.0.1.1 is configured.
pre-Version 6.1.1.0 Introduced for E-Series
address
Enter either an IP address, in dotted decimal format, of the NTP time server, or enter the
name of the server associated with the IP address.
key keyid (OPTIONAL) Enter the keyword key and a number as the NTP peer key.
Range: 1 to 4294967295