No. Data
1 ACL rules
2 Shared key and its ID that are used in NTP authentication
3 NTP primary clock and its stratum
4 Interfaces that send and receive NTP packets
5 NTP version
6 Preparing the following data according to the NTP operation mode:
l Server/client mode: IP address of the server and the VPN instance the server
belongs to
l Peer mode: IP address of the symmetric passive end and the VPN instance it
belongs to
l Broadcast mode: interfaces to send and receive broadcast NTP packets and the
maximum number of the sessions set up dynamically on the client
l Multicast mode: IP address of the multicast group and the TTL values of the
multicast packets
4.4.2 Setting NTP Access Authorities
When receiving an access request packet, the NTP server matches the request packet with the
access authority in descending order (from peer, server, synchronization to query). The first
matched authority takes effect.
Context
Do as follows on the switch.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
ntp-service access { peer | query | server | synchronization } acl-number
Access authority for the NTP service on the local switch is configured.
You can configure the ntp-service access command depending on the actual situations.
Table 4-1 shows the detailed NTP access authorities.
Quidway S5700 Series Ethernet Switches
Configuration Guide - Network Management 4 NTP Configuration
Issue 01 (2011-10-26) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
223
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