H3C Technologies H3C SecPath F1000-E - Manual (Page 127)

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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
By default, no authentication key is
configured to be trusted.
Enter interface view
interface interface-type
interface-number
—
Broadcast server mode:
ntp-service broadcast-server
authentication-keyid keyid
Associate the specified key with an
NTP server
Multicast server mode:
ntp-service multicast-server
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.
NOTE:
The procedure of configuring NTP authentication on a server is the same as that on a client, and the same
authentication key must be configured on both the server and client sides.
Displaying and Maintaining NTP
To do… Use the command… Remarks
Display information about NTP
service status
display ntp-service status Available in any view
Display information about NTP
sessions display ntp-service sessions
[ verbose ]
Available in any view
Display the brief information about
the NTP servers from the local
device back to the primary
reference source
display ntp-service trace Available in any view
NTP Configuration Examples
NOTE:
Unless otherwise specified, the examples given in this section apply to all switches and routers that support
NTP.