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H3C Technologies H3C S6300 Series Switches User Manual

Page 32

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19

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: