Cisco NTP配置

手动设置：

LGY-2960-29.11(config)#clock timezone BJ +8

LGY-2960-29.11#clock set 15:40:09 23 december 2017

NTP：

ntp server 10.10.101.21

注：ntp服务器可以用AD

时间戳

service timestamps debug datetime msec localtime year

service timestamps log datetime msec localtime year