HPE FlexFabric 5700 Series Network Management And Monitoring Configuration Manual page 29

•
Configure an authentication key.
•
Set the key as a trusted key on both the broadcast client and server.
•
Configure an NTP authentication key on the broadcast server.
The key IDs and key values configured on the broadcast server and client must be the same.
Otherwise, NTP authentication fails.
To configure NTP authentication for a broadcast client:
Step
1. Enter system view.
2. Enable NTP authentication.
3. Configure an NTP
authentication key.
4. Configure the key as a
trusted key.
To configure NTP authentication for a broadcast server:
Step
1. Enter system view.
2. Enable NTP authentication.
3. Configure an NTP
authentication key.
4. Configure the key as a
trusted key.
5. Enter interface view.
6. Associate the specified key
with the broadcast server.
NTP authentication results differ when different configurations are performed on broadcast client and
server. For more information, see
performed does not make any difference.)
Table 4 NTP authentication results
Broadcast server
Configur
e a key
Enable NTP and
authenticatio configure
n it as a
trusted
key
Yes Yes
Command
system-view
ntp-service authentication
enable
ntp-service
authentication-keyid keyid
authentication-mode md5
{ cipher | simple } value
ntp-service reliable
authentication-keyid keyid
Command
system-view
ntp-service authentication
enable
ntp-service
authentication-keyid keyid
authentication-mode md5
{ cipher | simple } value
ntp-service reliable
authentication-keyid keyid
interface interface-type
interface-number
ntp-service broadcast-server
authentication-keyid keyid
Table 4. (N/A in the table means that whether the configuration is
Broadcast client
Associat
e the key Enable NTP
with a authenticatio
broadcas n
t server
Yes Yes
20
Remarks
N/A
By default, NTP authentication is
disabled.
By default, no NTP authentication
key is configured.
By default, no authentication key
is configured as a trusted key.
Remarks
N/A
By default, NTP authentication is
disabled.
By default, no NTP authentication
key is configured.
By default, no authentication key
is configured as a trusted key.
N/A
By default, the broadcast server is
not associated with any key.
Configure
Authentication
a key and
result
configure
it as a
trusted key
Succeeded. NTP
Yes
messages can be sent