The manycast mode applies to the scenario where servers are scattered on a network. The delay of packet transmission in a LAN is at the milliseconds level. In a typical scenario, one or more clock servers on the network periodically send multicast packets to the workstations. The multicast mode applies to the high-speed network that has multiple workstations and does not require high accuracy. Relevant commands need to be run on the server and the client. When the IP address of a server or a symmetric peer is not determined, or when the clocks of a large number of devices need to be synchronized on a network, clock synchronization can be implemented in the broadcast mode. In symmetric peer mode, a symmetric peer of a higher stratum is synchronized to a symmetric peer of a lower stratum. The symmetric passive peer does not need to be configured with an NTP command. You need to configure only the symmetric active peer. To be specific, a symmetric peer of a higher stratum is synchronized to a symmetric peer of a lower stratum. In this mode, a symmetric active peer and a symmetric passive peer can be synchronized with each other. The symmetric peer mode is used on a lower stratum on the synchronization subnet. Note that the client can be synchronized to the server but the server cannot be synchronized to the client. The server needs to be configured with only an NTP primary clock. In this mode, the IP address of the server needs to be obtained in advance. The unicast client/server mode is used on a higher stratum on a synchronization subnet. On the NTP synchronization chain, determines the stratum of the clockĭeployment Location and Synchronization Direction The master reference clock source, that is, the number of NTP servers The NTP distance from a device on the network to Which means the local clock of the NTP server is configured as the Network synchronize their clocks with the clock of the NTP server, Server synchronized with the authoritative clock is set as stratum1,Īnd is used as a master reference clock source. Time of the authoritative clock is synchronized through the broadcast The current authoritativeĬlock is mostly a Radio Clock or the Global Positioning System. The clock of a lower stratum is preferred.Ĭlock is used as a reference time source for a synchronization subnet,Īnd is located at the top of a hierarchical structure on the synchronization Optimal clock source by comparing the clocks determined in the two If both manners are configured, the device selects an Is used as an NTP clock server to provide a reference clock for the Synchronizing with another device on the network: This device.
Synchronizing with the local clock: The local clock is used as.
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