H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 83)

6-15
To do… Use the command… Remarks
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.
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
View the information of NTP service status display ntp-service status Available in any view
View the information of NTP sessions
display ntp-service sessions
[ verbose ]
Available in any view
View the brief information of the NTP
servers from the local AC back to the
primary reference source
display ntp-service trace Available in any view
NTP Configuration Examples
Configuring NTP Client/Server Mode
Network requirements
z The local clock of Switch is to be used as a reference source, with the stratum level of 2.
z AC works in the client/server mode and Switch is to be used as the NTP server of AC.
Figure 6-7 Network diagram for NTP client/server mode configuration
Configuration procedure
1) Configuration on Switch:
# Specify the local clock as the reference source, with the stratum level of 2.
<Switch> system-view
[Switch] ntp-service refclock-master 2
2) Configuration on AC:
# View the NTP status of AC before clock synchronization.