openwrt开发中，我们可能遇到这样需求，使用路由器支持局域网内设备ntp授时功能。 NTP（Network Time Protocol，网络时间协议）是由RFC 1305定义的时间同步协议，用来在分布式时间服务器和客户端之间进行时间同步。NTP基于UDP报文进行传输，使用的UDP端口号为123。

Setting up a Unix system to be an NTP client is generally straightforward. On those Unix platforms that include NTP in the default configuration, you may only need to make a few adjustments to NTP’s ...

Just curious, for those of you who use ntp servers on your network, how do you instruct your Mac OS X clients to sync their time/date with the ntp server? <BR><BR>Example: You know you have a time ...