HPE FlexNetwork 5510 HI Series

22
Broadcast server
Broadcast client
Authentication
result
Enable NTP
authenticatio
n
Configur
e a key
and
configure
it as a
trusted
key
Associat
e the key
with a
broadcas
t server
Enable NTP
authenticatio
n
Configure
a key and
configure
it as a
trusted key
Yes N/A No No N/A No authentication
No N/A N/A Yes N/A Failed
No N/A N/A No N/A No authentication
Configuring NTP authentication in multicast mode
To ensure a successful NTP authentication, configure the same authentication key ID, algorithm, and
key on the multicast server and client. Make sure the peer device is allowed to use the key ID for
authentication on the local device.
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.
• Release 1111:
ntp-service authentication-keyid keyid
authentication-mode md5 { cipher |
simple } value
• Release 1121 and later:
ntp-service authentication-keyid keyid
authentication-mode { hmac-sha-1 |
hmac-sha-256 | hmac-sha-384 |
hmac-sha-512 | md5 } { cipher | simple }
string [ acl ipv4-acl-number | ipv6 acl
ipv6-acl-number ] *
By default, n
o NTP
authentication key is
configured.
4. Configure the key
as a trusted key.
ntp-service reliable authentication-keyid
keyid
By default, n
o 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.
3.
Configure an NTP
authentication key.
• Release 1111:
ntp-service authentication-keyid keyid
authentication-mode md5 { cipher |
simple } value
• Release 1121 and later:
ntp-service authentication-keyid keyid
By default, n
o NTP
authentication key is
configured.