HPE FlexNetwork 5510 HI Series

21
Step
Command
Remarks
ipv6-acl-number ] *
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 broadcast 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 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, 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.
5. Enter interface view.
interface
interface-type
interface-number
N/A
6.
Associate the
specified key with the
broadcast server.
ntp-service broadcast-server
authentication-keyid
keyid
By default, the broadcast server is
not associated with any key.
NTP authentication results differ when different configurations are performed on broadcast client and
server. For more information, see Table 4. (N/A in the table means that whether the configuration is
performed does not make any difference.)
Table 4 NTP authentication results
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 Yes Yes Yes Yes Succeeded
Yes Yes Yes Yes No Failed
Yes Yes Yes No N/A Failed
Yes No Yes Yes N/A Failed
Yes No Yes No N/A No authentication
Yes N/A No Yes N/A Failed