Command Reference Guide

3Com Router 5000 Family and Router 6000 Family ntp-service unicast-peer ● 249
Command Reference
ntp-service unicast-peer
Purpose Use the ntp-service unicast-peer command to configure NTP peer mode.
Use the undo ntp-service unicast-peer command to cancel the setting.
Syntax ntp-service unicast-peer [ vpn-instance vpn-instance-name ] {X.X.X.X |
server-name } [ version number | authentication-key keyid |
source-interface interface-type interface-number | priority ] *
undo ntp-service unicast-peer [ vpn-instance vpn-instance-name ] {
X.X.X.X | server-name }
Parameters vpn-instance
vpn-instance-name
Specifies a VPN instance, through which the router can
synchronize to the remote server and 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 one always preferred.
Default By default, NTP version 3 is used, ID authentication is not configured and the server is
not the preferred one.
Example Allow the local device and its peer at 128.108.22.44 to synchronize to each other.
Specify NTP version to three and use the IP address of Ethernet 1/0/0 as the source IP
address of the NTP messages.
[3Com] ntp-service unicast-peer 128.108.22.44 version 3
source-interface ethernet 1/0/0