Huawei Quidway S5600 Series Operation Manual page 839

Operation Manual – NTP
Quidway S5600 Series Ethernet Switches-Release 1510
client side and the server side, the client is synchronized only to the server that
passes the authentication. This improves network security.
1.4.1 Prerequisites
NTP authentication configuration involves:
Configuring NTP authentication on the client
Configuring NTP authentication on the server
Note the following when performing NTP authentication configuration:
If the NTP authentication is not enabled on a client, the client can be
synchronized to a server regardless of the NTP authentication configuration
performed on the server (assuming that the related configurations are
performed).
You need to couple the NTP authentication with a trusted key.
The configurations performed on the server and the client must be the same.
A client with NTP authentication enabled is only synchronized to a server that
can provide a trusted key.
1.4.2 Configuring NTP Authentication
I. Configuring NTP authentication on the client
Table 1-4 Configure NTP authentication on the client
Operation
Enter system view
Enable
authentication
globally
Configure the NTP
authentication key
Configure
specified key to be a
trusted key
Command
system-view
NTP
ntp-service authentication
enable
ntp-service
authentication-keyid key-id
authentication-model md5
value
the
ntp-service
authentication-keyid key-id
Huawei Technologies Proprietary
1-10
Chapter 1 NTP Configuration
Description
—
Required
By default,
authentication is disabled
Required
By default,
authentication key is not
configured
Required
By default,
authentication
reliable
configured
the NTP
the NTP
no trusted
key is