3Com Switch 7750 Series
Command Reference Guide – NTP Chapter 1 NTP Configuration Commands
1-13
Parameter
number: Specifies the key number, ranging from 1 to 4,294,967,295.
Description
Use the ntp-service reliable authentication-keyid command to configure the key as
a reliable key.
Use the undo ntp-service reliable authentication-keyid command to cancel the
current setting.
By default, no reliable key is configured.
When you enable the authentication, you can use this command to configure one or
more than one reliable keys. In this case, a client only synchronizes to the server that
provides reliable keys.
Example
# Enable NTP authentication, adopt MD5 encryption, and designate Key 37 BetterKey
and configure it as a reliable key.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] ntp-service authentication enable
[3Com] ntp-service authentication-keyid 37 authentication-mode md5 BetterKey
[3Com] ntp-service reliable authentication-keyid 37
1.1.16 ntp-service source-interface Syntax
ntp-service source-interface interface-type interface-number
undo ntp-service source-interface
View
System view
Parameter
interface-type: Specifies an interface. This parameter is used to specify an interface
together with the interface-number parameter.
interface-number: Specifies an interface number. This parameter is used to specify an
interface with the interface-type parameter.
Description
Use the ntp-service source-interface command to designate an interface to transmit
NTP messages.