HP JG221A User Manual

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.
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.
NOTE:
After you enable the NTP authentication feature for the client, make sure that you confi
g
ure for the clien
t
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
By default, no authentication key is
configured to be trusted.
Enter VLAN interface view
interface interface-type
interface-number
—
Associate the specified key with an
NTP server
Broadcast server mode:
ntp-service broadcast-server
authentication-keyid keyid
Required
You can associate a non-existing
key with an NTP server. To enable
NTP authentication, you must
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HP JG221A Specifications

General

Brand	HP
Model	JG221A
Category	Switch
Language	English