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NE20E-S2 V800R010C10SPC500 Configuration Guide - System Management 01

This is NE20E-S2 V800R010C10SPC500 Configuration Guide - System Management
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Configuring NTP Security Mechanisms

Configuring NTP Security Mechanisms

This section describes how to ensure the security of NTP sessions through NTP security mechanisms.

Usage Scenario

NTP supports two security mechanisms: access authority and NTP authentication.

  • Access authority

    Access authority is a type of simple security method provided by the NE20E to protect local NTP services.

  • NTP authentication

    NTP authentication is required in some networks with high security demands.

    The configuration of NTP authentication involves configuring NTP authentication on both, the client and the server.

    During the configuration of NTP authentication, pay attention to the following rules:

    • Configure NTP authentication on both the client and the server. Otherwise, the authentication does not take effect.

    • If NTP authentication is enabled, a reliable key needs to be configured at the client side.

    • The authentication key configured on the server and that on the client must be consistent.

    • In NTP peer mode, the symmetric active end equals the client, and the symmetric passive end equals the server.

Pre-configuration Tasks

Before configuring NTP security mechanisms, complete the following tasks:

  • Configure the link layer protocol for the interface.

  • Configure the link layer protocol and routing protocol to make the server and client reachable.

  • Configure ACL rules if the access authority is configured.

Configuration Procedures

Figure 5-2 Flowchart for configuring NTP security mechanisms

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Updated: 2019-01-02

Document ID: EDOC1100055400

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