Table 3-1
Description of the NTP access authorities
NTP Operation Mode
Limited NTP Query
Supported Devices
Unicast NTP server/client
mode
Synchronizing the client with
the server
Client
Unicast NTP server/client
mode
Clock synchronization
request from the client
Server
NTP peer mode
Clock synchronization with
each other
Symmetric active end
NTP peer mode
Clock synchronization
request from the active end
Symmetric passive end
NTP multicast mode
Synchronizing the client with
the server
NTP multicast client
NTP broadcast mode
Synchronizing the client with
the server
NTP broadcast client
----End
3.4.3 Enabling NTP Authentication
You must configure the same authentication key on the NTP server and NTP client, and declare
that the key is reliable. Otherwise, NTP authentication fails.
Context
NOTE
l
Configure both the NTP server and the NTP client following the preceding steps.
l
Configure the same authentication key on the server and client and affirm that the key is reliable;
otherwise, NTP authentication fails.
l
Enable NTP authentication before performing actual authentication.
Do as follows on the switch.
Procedure
Step 1
Run:
system-view
The system view is displayed.
Step 2
Run:
ntp-service authentication enable
NTP authentication is enabled.
Step 3
Run:
ntp-service authentication-keyid
key-id
authentication-mode md5
password
The NTP authentication key is configured.
Quidway S9300 Terabit Routing Switch
Configuration Guide - Network Management
3 NTP Configuration
Issue 03 (2010-09-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3-17
