HPE FlexFabric 5700 Series

18
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.
5. Associate the specified key
with a passive peer.
• Associate the specified key
with a passive peer:
ntp-service unicast-peer
{ ip-address | peer-name }
authentication-keyid keyid
• Associate the specified key
with a passive peer:
ntp-service ipv6
unicast-peer { ipv6-address
| peer-name }
authentication-keyid keyid
N/A
To configure NTP authentication for a passive peer:
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.
NTP authentication results differ when different configurations are performed on active peer and
passive peer. For more information, see Table 3.
(N/A in the table means that whether the
configuration is performed does not make any difference.)
Table 3 NTP authentication results
Active peer Passive peer
Authentication
result
Enable NTP
authenticatio
n
Configur
e a key
and
configure
it as a
trusted
key
Associat
e the key
with a
passive
peer
Enable NTP
authenticatio
n
Configure a
key and
configure it
as a trusted
key
Stratum level of the active and passive peers is not considered.
Yes Yes Yes Yes Yes
Succeeded. NTP
messages can be
sent and received