Operation Manual – NTP
Quidway S3100 Series Ethernet Switches
Chapter 1 NTP Configuration
Huawei Technologies Proprietary
1-9
z
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).
z
You need to couple the NTP authentication with a trusted key.
z
The configurations performed on the server and the client must be the same.
z
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
Command
Description
Enter system view
system-view
—
Enable NTP
authentication
globally
ntp-service authentication
enable
Required
By default, the NTP
authentication is disabled.
Configure the NTP
authentication key
ntp-service
authentication-keyid
key-id
authentication-model
md5
value
Required
By default, the NTP
authentication key is not
configured.
Configure the
specified key to be
a trusted key
ntp-service reliable
authentication-keyid key-id
Required
By default, no trusted
authentication key is
configured.
NTP server mode:
ntp-service
unicast-server
remote-ip
authentication-keyid
key-id
Associate the
specified key with
the corresponding
NTP server
Peer mode:
ntp-service
unicast-peer
remote-ip
authentication-keyid
key-id
In NTP server mode and NTP
peer mode, you need to
associate the specified key
with the corresponding NTP
server on the client.
You can associate the NTP
server with the authentication
key while configuring the
switch to operate in a specific
NTP mode. You can also
associate them using this
command after configuring
the NTP mode where the
switch is to operate in.