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标签：ntp

NTP vs PTP: Choosing Time Synchronisation for Networks

NTP vs PTP: Choosing Time Synchronisation for Networks

NTP versus PTP compared for network and data centre clocking: accuracy, hardware timestamping, jitter, and how to deploy each without breaking the oth

admin admin 2026-10-10
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华为交换机 NTP 时间同步配置实战（含认证与排障）

华为交换机 NTP 时间同步配置实战（含认证与排障）

华为交换机 NTP 时间同步配置实战：ntp-service unicast-server 与 NTP 认证（md5/hmac-sha256）配置、时钟层级与同步状态查看，并附 display ntp status、display ntp sessions 等验证命令与常见不同步故障的排错顺序。

admin admin 2026-10-04
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Chrony NTP Server Configuration on Linux

Chrony NTP Server Configuration on Linux

Configure chrony as NTP client and server: chrony.conf server lines, allow, makestep, driftfile, RTC sync, verification with chronyc tracking and sour

admin admin 2026-09-23
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Linux chrony NTP Sync Troubleshooting with chronyc

Linux chrony NTP Sync Troubleshooting with chronyc

Diagnose clock sync on Linux with chronyc tracking, sources and sourcestats, fix a stepped clock with makestep, and harden chrony.conf for servers and

admin admin 2026-09-17
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PTP vs NTP Explained: Precision Time for Networks and Servers

PTP vs NTP Explained: Precision Time for Networks and Servers

NTP keeps a data centre consistent in milliseconds while PTP keeps a radio network consistent in nanoseconds; confusing the two is expensive.

admin admin 2026-09-10
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Cisco IOS NTP Configuration: Server and Source Interface

Cisco IOS NTP Configuration: Server and Source Interface

Cisco IOS NTP configuration guide: server and prefer, source interface, authentication, access groups, verification and troubleshooting unsynchronized

admin admin 2026-09-07
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Chrony 时间同步与时钟漂移排查实战

Chrony 时间同步与时钟漂移排查实战

NTP/Chrony 时间同步与时钟漂移排障实战：chronyc tracking 字段解读、漂移模型与频率补偿、内网分层时间源设计、NTS 与 restrict 安全加固、虚拟机时钟陷阱，以及 TLS 证书、数据库复制与分布式锁故障的排查清单。

admin admin 2026-08-27
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