H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 82)

6-14
Configuration Procedure
Configuring NTP authentication for a client
Follow these steps to configure NTP authentication for a client:
To do… Use the command… Remarks
Enter system view system-view —
Enable NTP authentication
ntp-service authentication
enable
Required
Disabled by default
Configure an NTP authentication
key
ntp-service authentication-keyid
keyid authentication-mode md5
value Required
No NTP authentication key by
default
Configure the key as a trusted key
ntp-service reliable
authentication-keyid keyid
Required
No authentication key is configured
to be trusted by default.
Client/server mode:
ntp-service unicast-server
{ ip-address | server-name }
authentication-keyid keyid
Associate the specified key with an
NTP server
Symmetric peers mode:
ntp-service unicast-peer
{ ip-address | peer-name }
authentication-keyid keyid
Required
You can associate a non-existing
key with an NTP server. To enable
NTP authentication, you must
configure the key and specify it as
a trusted key after associating the
key with the NTP server.
After you enable the NTP authentication feature for the client, make sure that you configure for the client
an authentication key that is the same as on the server and specify that the authentication key is trusted;
otherwise, the client cannot be synchronized to the server.
Configuring NTP authentication for a server
Follow these steps to configure NTP authentication for a server:
To do… Use the command… Remarks
Enter system view system-view —
Enable NTP authentication
ntp-service authentication
enable Required
Disabled by default
Configure an NTP authentication
key
ntp-service authentication-keyid
keyid authentication-mode md5
value
Required
No NTP authentication key by
default
Configure the key as a trusted key
ntp-service reliable
authentication-keyid keyid
Required
No authentication key is configured
to be trusted by default.
Enter interface view
interface interface-type
interface-number
—