iTable of Contents1 NTP Configuration ·····································································································································1-1Introduction to NTP ·································································································································1-1Applications of NTP ·························································································································1-1Implementation Principle of NTP·····································································································1-2NTP Implementation Modes············································································································1-3NTP Configuration Tasks ························································································································1-5Configuring NTP Implementation Modes ································································································1-5Configuring NTP Server/Client Mode ······························································································1-6Configuring the NTP Symmetric Peer Mode ···················································································1-6Configuring NTP Broadcast Mode···································································································1-7Configuring NTP Multicast Mode·····································································································1-8Configuring Access Control Right ···········································································································1-9Configuration Prerequisites ···········································································································1-10Configuration Procedure················································································································1-10Configuring NTP Authentication············································································································1-10Configuration Prerequisites ···········································································································1-11Configuration Procedure················································································································1-11Configuring Optional NTP Parameters ·································································································1-13Configuring an Interface on the Local Switch to Send NTP messages ········································1-13Configuring the Number of Dynamic Sessions Allowed on the Local Switch ·······························1-13Disabling an Interface from Receiving NTP messages·································································1-14Displaying NTP Configuration···············································································································1-14Configuration Example··························································································································1-14Configuring NTP Server/Client Mode ····························································································1-14Configuring NTP Symmetric Peer Mode ·······················································································1-16Configuring NTP Broadcast Mode·································································································1-17Configuring NTP Multicast Mode···································································································1-19Configuring NTP Server/Client Mode with Authentication·····························································1-20
