Displaying the NTP configuration information on the firewall

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Check the NTP configuration information of the firewall as follows:
-Run the display ntp-service status command to view the NTP service status.
-Run the display ntp-service sessions [ verbose ] command to view the NTP session status.
-Run the display ntp-service trace command to view brief information traced from the local device to the NTP servers of the reference clock source.
-Run the display ntp-service statistics packet [ ipv6 | peer [ ip-address [ vpn-instance vpn-instance-name ] | ipv6 [ ipv6-address [ vpn-instance vpn-instance-name ] ] ] command to view the global NTP packet statistics.
-Run the display current-configuration | include ntp-service command to view configuration parameters currently valid to the KOD feature on the firewall.

Other related questions:
Configuring common NTP multicast mode on the firewall
Configure common NTP multicast mode on the firewall as follows: 1. Configure FW_C as the NTP multicast server. 2. Configure FW_A and FW_D as the NTP multicast clients. For configuration examples, see "Example: Configuring Common NTP Multicast Mode" in USG6300 Product Documentation.

Debugging NTP packets on the firewall
Debug firewall NTP packets as follows: Before enabling the debugging function, you must run the terminal monitor and terminal debugging commands in the user view to enable the information display and debugging information display functions of the terminal. Note: Enabling the debugging function affects the system performance. After debugging, run the undo debugging all command to disable the debugging function immediately. Run the debugging ntp-service { access | adjustment | all | authentication | event | filter | packet [ ipv6 ] [ send | receive ] | parameter | refclock | selection | synchronization | validity } command to enable NTP debugging.

Disabling the NTP service on the firewall
Disable the NTP service on the firewall as follows: 1. Run the system-view command to enter the system view. 2. Run the following commands to disable the NTP service. a. Run the ntp-service [ ipv6 ] disable command to disable the NTP service. By default, the NTP function is enabled. b. Run the ntp-service [ ipv6 ] server disable command to disable the function that the FW serves as the NTP server. By default, the NTP server function is enabled.

View license status on S series switch
On an S series switch, except S1700, run the following commands to view license information: Run the display license command to view the license file information. A switch can have only one activated license file. Run this command to view detailed information about the activated license in the system, including license file name, version, validity period, and configuration. Run the display license state command to view the license status on the MPU (modular switch) or switch (fixed switch) and number of remaining validity days. The system supports the following license states: Normal: The license is in active state. - Demo: The license is in demo state. - Trial: The license has expired but still valid during the trial period. Emergency: The license is in emergency state. Default: No license file needs to be activated or the license file has expired. Note: The preceding command displays information only when the switch has activated license file. If the switch does not have an activated license file, no information is displayed. Run the display license resource usage command to display the usage of the resource items defined in a license file. Resource usage refers to the percentage of resources used out of resources defined by the license file.

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