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19
Active peer
Passive peer
Authentication
result
Enable NTP
authenticatio
n
Configur
e a key
and
configure
it as a
trusted
key
Associat
e the key
with a
passive
peer
Enable NTP
authenticatio
n
Configure a
key and
configure it
as a trusted
key
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 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.
The active peer has a higher stratum than the passive peer.
Yes No
Yes
N/A
N/A
Failed. NTP
messages cannot be
sent and received
correctly.
The passive peer has a higher stratum than the active peer.
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.
Configuring NTP authentication in broadcast mode
When you configure NTP authentication in broadcast mode:
•
Enable NTP authentication.