Command Reference Guide

3Com Router 5000 Family and Router 6000 Family ntp-service unicast-server ● 251
Command Reference
ntp-service unicast-server
Purpose Use the ntp-service unicast-server command to configure NTP server
mode.
Use the undo ntp-service unicast-server command to cancel the setting.
Syntax ntp-service unicast-server [ vpn-instance vpn-instance-name ] {X.X.X.X
| server-name } [ version number | authentication-keyid keyid |
source-interface interface-type interface-number | priority ] *
undo ntp-service unicast-server [X.X.X.X | server-name ]
Parameters vpn-instance
vpn-instance-name
Specifies a VPN instance, through which, the local
device can synchronize to the remote server, but not
the vice versa.
X.X.X.X
IP address of the remote server.
server-name
Remote server name.
version
NTP version number.
number
NTP version number. Valid values are 1 to 3.
authentication-keyid
Specifies an ID authentication key.
keyid
Key ID used when transmitting messages to the
remote server. Valid values are 1 to 4294967295.
source-interface
Specifies an interface.
interface-type
Specifies an interface along with
interface-number.
interface-number
Specifies an interface along with interface-type.
The IP address of this interface is the source address in
the NTP messages to be transmitted.
priority
Specifies the server as the preferred one.
Default By default, NTP version 3 is used, ID authentication is not configured and the server is
not the preferred one.
Example Configure the local device to synchronize to the server at 128.108.22.44. NTP version
3 is used.
[3Com] ntp-service unicast-server 128.108.22.44 version 3
View This command can be used in the following views:
■ System view