21
Broadcast server
Broadcast client
Authentication
result
Enable NTP
authenticatio
n
Configur
e a key
and
configure
it as a
trusted
key
Associat
e the key
with a
broadcas
t server
Enable NTP
authenticatio
n
Configure
a key and
configure
it as a
trusted key
and received correctly.
Yes
Yes Yes Yes
No
Failed. NTP messages
cannot be sent and
received correctly.
Yes
Yes Yes No
N/A
Failed. NTP messages
cannot be sent and
received correctly.
Yes No
Yes
Yes N/A
Failed. NTP messages
cannot be sent and
received correctly.
Yes No
Yes
No N/A
No authentication. NTP
messages can be sent
and received correctly.
Yes N/A
No
Yes N/A
Failed. NTP messages
cannot be sent and
received correctly.
Yes N/A
No
No N/A
No authentication. NTP
messages can be sent
and received correctly.
No
N/A N/A Yes
N/A
Failed. NTP messages
cannot be sent and
received correctly.
No
N/A N/A No
N/A
No authentication. NTP
messages can be sent
and received correctly.
Configuring NTP authentication in multicast mode
When you configure NTP authentication in multicast mode:
•
Enable NTP authentication.
•
Configure an authentication key.
•
Set the key as a trusted key on both the multicast client and server.
•
Configure an NTP authentication key on the multicast server.
The key IDs and key values configured on the multicast server and client must be the same.
Otherwise, NTP authentication fails.
To configure NTP authentication for a multicast client:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enable NTP authentication.
ntp-service authentication
enable
By default, NTP authentication is
disabled.
