Configuration Guide Configuring NTP
Deployment
Configure DEVICE-B to the NTP external reference clock mode.
13.2.2 Synchronizing Time Based on a Local Reference Clock Source
Scenario
As shown in Figure 13-2, DEVICE-B uses a local clock as the NTP reference clock source and provides time synchronization
for DEVICE-C.
Figure 13-2
Deployment
Configure DEVICE-B to the NTP local reference clock mode.
13.3 Features
Basic Concepts
NTP Packet
As defined in RFC1305, NTP uses User Datagram Protocol (UDP) packets for transmission and the used UDP port ID is 123.
Figure 13-3 shows the format of an NTP time synchronization packet.
Figure 13-3 Format of an NTP Time Synchronization Packet
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