配置windows ntp time

1、HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer\， 将“Enabled”数值数修改为 1，保存。

然后services.msc重启ntp time服务。

配置enable后，客户端执行ntpdate -d -u ip 返回too high

 

 2、HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\，在右窗格中，单击“AnnounceFlags”，然后单击“修改”，在“编辑 DWORD 值”对话框中的“数值数据”下，键入 5，保存。重启ntp time服务。客户端ntpdate可以有回包

 

（2）但是chronyc sources发现不同步

 

windows看配置，没有问题

 

 

 /etc/chrony.conf的配置正常

# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
server 192.168.1.3 iburst
#server 0.centos.pool.ntp.org iburst
#server 1.centos.pool.ntp.org iburst
#server 2.centos.pool.ntp.org iburst
#server 3.centos.pool.ntp.org iburst

# Record the rate at which the system clock gains/losses time.
driftfile /var/lib/chrony/drift

# Allow the system clock to be stepped in the first three updates
# if its offset is larger than 1 second.
#makestep 1.0 3

# Enable kernel synchronization of the real-time clock (RTC).
rtcsync

# Enable hardware timestamping on all interfaces that support it.
#hwtimestamp *

# Increase the minimum number of selectable sources required to adjust
# the system clock.
#minsources 2

# Allow NTP client access from local network.
allow 0.0.0.0/0

# Serve time even if not synchronized to a time source.
local stratum 10

# Specify file containing keys for NTP authentication.
#keyfile /etc/chrony.keys

# Specify directory for log files.
logdir /var/log/chrony

# Select which information is logged.
log measurements statistics tracking

　　3、抓包：tcpdump -nnni any host 192.168.1.3 发现服务端使用的协议是NTP v3协议

 参考文档：https://blog.csdn.net/u014331650/article/details/119915539

原因：根延迟太高了，改chrony.conf配置为maxdistance 16.0