NTP configuration example analysis

1. Configure the network device as an NTP server.

1. Configure NTP master clock
ntp-service refclock-master 2
2. Enable NTP authentication
ntp-service authentication enable
3. Configure NTP clock source local interface, It does not need to be configured.
ntp-service source-interface loopback0
4. Configure the NTP server service authentication password
ntp-service authentication-keyid 1 authentication-mode md5 cipher admin
5. Configure the trusted secret key number
ntp-service reliable authentication-keyid 1
6. Enable NTP server function
undo ntp-service disable
2. Configure the network device as an NTP client.

1. Enable NTP authentication
ntp-service authentication enable
2. Configure NTP service authentication password
ntp-service authentication-keyid 1 authentication-mode md5 cipher admin
3. Configure the key number

ntp-service reliable authentication-keyid 1

4. Configure the NTP server address
ntp-service unicast-server 192.168.1.1

3. View various NTP status
1. View the NTP session information of the local device.

display ntp-service sessions
2. View the detailed information of the local device NTP session
display ntp-service sessions verbose
3. View the path from the local device to the reference clock source
display ntp-service trace
4. View the statistics of NTP packets
display ntp-service statistics packet
5. View the latest 10 clock out-of-synchronization reasons

display ntp- service event clock-unsync
View the latest 10 clock unsynchronization reasons

Note: H3C equipment must manually specify the clock protocol ntp, otherwise it will not be synchronized

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