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Configuring ntp authentication in multicast mode – H3C Technologies H3C S6300 Series Switches User Manual

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Table 4 NTP authentication results

Broadcast server

Broadcast client

Authentication result

Enable

NTP

authentic

ation

Configure a

key and

configure it

as a trusted

key

Associate

the key with

a broadcast

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 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: