110
Step Command
Remarks
3.
Configure an SNTP
authentication key.
sntp authentication-keyid
keyid
authentication-mode md5
{
cipher
|
simple
}
value
By default, no SNTP authentication
key is configured.
4.
Specify the key as a trusted
key.
sntp reliable authentication-keyid
keyid
By default, no trusted key is
specified.
5.
Associate the SNTP
authentication key with an
NTP server.
•
For IPv4:
sntp unicast-server
{
server-name
|
ip-address
}
[
vpn-instance
vpn-instance-name
]
authentication-keyid
keyid
•
For IPv6:
sntp ipv6 unicast-server
{
server-name
|
ipv6-address
}
[
vpn-instance
vpn-instance-name
]
authentication-keyid
keyid
By default, no NTP server is
specified.
Displaying and maintaining SNTP
Execute
display
commands in any view.
Task Command
Display information about all IPv6 SNTP associations.
display sntp ipv6 sessions
Display information about all IPv4 SNTP associations.
display sntp sessions
SNTP configuration example
Network requirements
As shown in
, perform the following tasks:
•
Configure the local clock of Device A as a reference source, with the stratum level 2.
•
Configure Device B to operate in SNTP client mode, and specify Device A as the NTP server.
•
Configure NTP authentication on Device A and SNTP authentication on Device B.
Figure 41
Network diagram
Configuration procedure
1.
Assign an IP address to each interface, and make sure Device A and Device B can reach each
other, as shown in
. (Details not shown.)