HP 5820X Switch User Manual

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NOTE:
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
To do… Use the command… Remarks
1. Enter system view.
system-view —
2. Enable NTP authentication.
ntp-service authentication enable
Required.
Disabled by default.
3. Configure an NTP
authentication key.
ntp-service authentication-keyid
keyid authentication-mode md5
value
Required.
No NTP authentication key by
default.
4. Configure the key as a trusted
key.
ntp-service reliable authentication-
keyid keyid
Required.
By default, no authentication key
is configured to be trusted.
5. Enter interface view.
interface interface-type interface-
number
—
Broadcast server mode:
ntp-service broadcast-server
authentication-keyid keyid
6. 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 [ |
{ begin | exclude | include }
regular-expression ]
Available in any view
Display information about NTP
sessions
display ntp-service sessions
[ verbose ] [ | { begin | exclude |
include } regular-expression ]
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 [ |
{ begin | exclude | include }
regular-expression ]
Available in any view

HP 5820X Switch Specifications

General

Brand	HP
Model	5820X Switch
Category	Network Router
Language	English