H3C S3100 8C SI - Ntp Configuration

Operation Manual – NTP
H3C S3100 Series Ethernet Switches Table of Contents
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Table of Contents
Chapter 1 NTP Configuration....................................................................................................... 1-1
1.1 Introduction to NTP............................................................................................................ 1-1
1.1.1 Applications of NTP................................................................................................. 1-1
1.1.2 Implementation Principle of NTP............................................................................. 1-2
1.1.3 NTP Implementation Modes.................................................................................... 1-4
1.2 NTP Configuration Tasks................................................................................................... 1-6
1.3 Configuring NTP Implementation Modes........................................................................... 1-7
1.3.1 Configuring NTP Server/Client Mode...................................................................... 1-7
1.3.2 Configuring the NTP Symmetric Peer Mode........................................................... 1-8
1.3.3 Configuring NTP Broadcast Mode .......................................................................... 1-9
1.3.4 Configuring NTP Multicast Mode .......................................................................... 1-10
1.4 Configuring Access Control Right....................................................................................1-11
1.4.1 Configuration Prerequisites................................................................................... 1-12
1.4.2 Configuration Procedure ....................................................................................... 1-12
1.5 Configuring NTP Authentication ...................................................................................... 1-12
1.5.1 Configuration Prerequisites................................................................................... 1-13
1.5.2 Configuration Procedure ....................................................................................... 1-14
1.6 Configuring Optional NTP Parameters............................................................................ 1-15
1.6.1 Configuring an Interface on the Local Switch to Send NTP messages................ 1-16
1.6.2 Configuring the Number of Dynamic Sessions Allowed on the Local Switch....... 1-16
1.6.3 Disabling an Interface from Receiving NTP messages......................................... 1-17
1.7 Displaying NTP Configuration.......................................................................................... 1-17
1.8 Configuration Example ....................................................................................................1-17
1.8.1 Configuring NTP Server/Client Mode.................................................................... 1-17
1.8.2 Configuring NTP Symmetric Peer Mode............................................................... 1-19
1.8.3 Configuring NTP Broadcast Mode ........................................................................ 1-20
1.8.4 Configuring NTP Multicast Mode .......................................................................... 1-22
1.8.5 Configuring NTP Server/Client Mode with Authentication .................................... 1-24