Cisco ASR 14000 Series Management Command Reference page 446

server (NTP)
C i s c o C o n f i d e n t i a l - B e t a R e v i e w R 3 . 7. 1
server (NTP)
To allow the system clock to be synchronized by a time server, use the server command in NTP
configuration mode. To remove the server command from the configuration file and restore the system
to its default condition with respect to this command, use the no form of this command.
Syntax Description ip-address
version number
key key-id
minpoll interval
maxpoll interval
source
interface-type
interface-id
prefer
Defaults
No servers are configured by default. If a server is configured, the default NTP version number is 4, no
authentication key is used, and the source IP address is taken from the outgoing interface.
minpoll interval: 6 seconds
maxpoll interval: 10 seconds
Command Modes NTP configuration
Command History Release
Release 3.7.1
Cisco ASR 14000 Series Router System Management Command Reference
SMR-444
server ip-address [version number] [key key-id] [minpoll interval] [maxpoll interval]
[source interface-type interface-id] [prefer]
no server ip-address
IPv4 address of the time server providing the clock synchronization.
(Optional) Defines the Network Time Protocol (NTP) version number,
where the number argument is a value from 1 to 4. The default is 4.
(Optional) Defines the authentication key, where the key-id argument is the
authentication key to use when packets are sent to this peer.
(Optional) Defines the shortest polling interval, where the interval argument
is specified in seconds as a power of 2. The number is used in a power-of-2
expression (meaning 2
default value is 6.
(Optional) Defines the longest polling interval, where the interval argument
is specified in seconds as a power of two. The default value is 10.
(Optional) IP source address. The default is the outgoing interface.
(Optional) Interface type. For more information, use the question mark (?)
online help function.
(Optional) Identifies a physical interface or a virtual interface.
Note
For more information about the syntax for the router, use the question mark
(?) online help function.
(Optional) Makes this peer the preferred server that provides
synchronization.
Modification
This command was introduced on the Cisco ASR 14000 Series Router.
6
= 64), and can be in the range from 4 to 14. The
Use the show interfaces command to see a list of all possible
interfaces currently configured on the router.
NTP Commands on Cisco IOS XR Software
OL-17231-01