H3C Technologies H3C S6300 Series Switches User Manual
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Table 2 NTP authentication results
Client Server
Authentication
result
Enable NTP
authentication
Configure
a key and
configure
it as a
trusted
key
Associate the
key with an NTP
server
Enable NTP
authentication
Configure a
key and
configure it
as a trusted
key
Yes Yes
Yes Yes Yes
Succeeded. NTP
messages can be
sent 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 N/A
N/A
Failed. NTP
messages cannot
be sent and
received correctly.
Yes N/A
No N/A
N/A
No
authentication.
NTP messages
can be sent and
received correctly.
No N/A
N/A N/A
N/A
No
authentication.
NTP messages
can be sent and
received correctly.
Configuring NTP authentication in symmetric active/passive
mode
When you configure NTP authentication in symmetric peers mode:
•
Enable NTP authentication.
•
Configure an authentication key.
•
Set the key as a trusted key on both active peer and passive peer.
•
Associate the key with the passive peer on the active peer.
The key IDs and key values configured on the active peer and passive peer must be the same. Otherwise,
NTP authentication fails.
To configure NTP authentication for an active peer: