Operation Manual – NTPH3C S3100 Series Ethernet Switches Table of ContentsiTable of ContentsChapter 1 NTP Configuration ....................................................................................................... 1-11.1 Introduction to NTP............................................................................................................ 1-11.1.1 Applications of NTP................................................................................................. 1-11.1.2 Implementation Principle of NTP............................................................................. 1-21.1.3 NTP Implementation Modes.................................................................................... 1-41.2 NTP Configuration Tasks................................................................................................... 1-61.3 Configuring NTP Implementation Modes........................................................................... 1-71.3.1 Configuring NTP Server/Client Mode...................................................................... 1-71.3.2 Configuring the NTP Symmetric Peer Mode........................................................... 1-81.3.3 Configuring NTP Broadcast Mode .......................................................................... 1-91.3.4 Configuring NTP Multicast Mode .......................................................................... 1-101.4 Configuring Access Control Right.................................................................................... 1-111.4.1 Configuration Prerequisites................................................................................... 1-121.4.2 Configuration Procedure ....................................................................................... 1-121.5 Configuring NTP Authentication ...................................................................................... 1-121.5.1 Configuration Prerequisites................................................................................... 1-131.5.2 Configuration Procedure ....................................................................................... 1-141.6 Configuring Optional NTP Parameters ............................................................................ 1-151.6.1 Configuring an Interface on the Local Switch to Send NTP messages ................ 1-161.6.2 Configuring the Number of Dynamic Sessions Allowed on the Local Switch ....... 1-161.6.3 Disabling an Interface from Receiving NTP messages......................................... 1-171.7 Displaying NTP Configuration.......................................................................................... 1-171.8 Configuration Example .................................................................................................... 1-171.8.1 Configuring NTP Server/Client Mode.................................................................... 1-171.8.2 Configuring NTP Symmetric Peer Mode............................................................... 1-191.8.3 Configuring NTP Broadcast Mode ........................................................................ 1-201.8.4 Configuring NTP Multicast Mode .......................................................................... 1-221.8.5 Configuring NTP Server/Client Mode with Authentication .................................... 1-24
