HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Con - Page 29

Configuring NTP authentication in multicast mode, Authentication result

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Broadcast server Enable NTP authentic ation Configure a key and configure it as a trusted key Yes No Yes N/A Yes N/A No N/A No N/A Broadcast client Associate the key with a broadcast server Enable NTP authenticati on Configure a key and configure it as a trusted key Yes No N/A No Yes N/A No No N/A N/A Yes N/A N/A No N/A Authentication result No authentication. NTP messages can be sent and received properly. Failed. NTP messages cannot be sent and received properly. No authentication. NTP messages can be sent and received properly. Failed. NTP messages cannot be sent and received properly. No authentication. NTP messages can be sent and received properly. 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, and 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 1. Enter system view. Command system-view 2. Enable NTP authentication. ntp-service authentication enable 3. Configure an NTP authentication key. ntp-service authentication-keyid keyid authentication-mode md5 { cipher | simple } value 4. Configure the key as a trusted ntp-service reliable key. authentication-keyid keyid Remarks N/A By default, NTP authentication is disabled. By default, no NTP authentication key is configured. By default, no authentication key is configured as a trusted key. To configure NTP authentication for a multicast server: Step 1. Enter system view. 2. Enable NTP authentication. Command system-view ntp-service authentication enable Remarks N/A By default, NTP authentication is disabled. 23

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23
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
authenticati
on
Configure
a key and
configure
it as a
trusted
key
Yes
No
Yes
No
N/A
No authentication. NTP
messages can be sent and
received properly.
Yes
N/A
No
Yes
N/A
Failed. NTP messages cannot
be sent and received properly.
Yes
N/A
No
No
N/A
No authentication. NTP
messages can be sent and
received properly.
No
N/A
N/A
Yes
N/A
Failed. NTP messages cannot
be sent and received properly.
No
N/A
N/A
No
N/A
No authentication. NTP
messages can be sent and
received properly.
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, and 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.
3.
Configure an NTP
authentication key.
ntp-service authentication-keyid
keyid
authentication-mode md5
{
cipher
|
simple
}
value
By default, no NTP authentication
key is configured.
4.
Configure the key as a trusted
key.
ntp-service reliable
authentication-keyid
keyid
By default, no authentication key is
configured as a trusted key.
To configure NTP authentication for a multicast server:
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.