How long is the NTP synchronization interval on the switch

20

The maximum NTP synchronization interval on the switch is 210 seconds. The interval for clock synchronization between the NTP client and server is not fixed and depends on the clock precision. A higher clock precision results in a longer synchronization interval. The synchronization interval depends on the following factors:
1.Time difference between the client and server
2.Frequency offset of the clock on the client compared with the clock on the server.

Other related questions:
How long is the NTP synchronization interval on an S series switch
The maximum NTP synchronization interval on an S series switch (except the S1700) is the tenth power of 2 in seconds, namely, 1024 seconds. The interval for clock synchronization between the NTP client and server is not fixed and depends on the clock precision. A higher clock precision results in a longer synchronization interval. The synchronization interval depends on the following two factors: 1. Time difference between the client and server 2. Frequency offset of the clock on the client compared with the clock on the server

How long is the LSA refresh interval
Defined in RFC 2328, the 1800-second interval cannot be changed.

How do I configure NTP synchronization on the SMC2.0?
For details about how to configure NTP synchronization on the SMC2.0: 1. Log in to Huawei Enterprise Technical Support Website. 2. Enter SMC2.0 in the search box and click the SMC2.0 path displayed below the search box. 3. View section "Synchronizing the Clock Source" in the product documentation of the corresponding version.

How can I set NTP time synchronization for a camera?
After NTP is enabled for a camera, the camera will automatically time-synchronize with the NTP server. VCN3000 V100R002C00 For DHSDK-, GB/T 28181-, and AXISSDK-compliant cameras, you need to set NTP parameters on camera web pages. For HWSDK-, ONVIF-, and HIKSDK-compliant cameras, you need to enable the NTP time synchronization function on the OMU portal of the access server. After the NTP time synchronization function is enabled, the cameras will automatically time-synchronize with the server. The procedure is as follows: 1. Log in to the OMU portal of the MPU server as the Admin user. 2. Choose Maintenance > Unified Configuration and select the serve to which the camera mounts. 3. Set Module name to SCU and Parameter type to System property, and click Search. 4. In the search results, click Edit in the row where Parameter Name is NTPIPC and set Value to 1. 5. Click Save to enable the camera NTP time synchronization function. VCN3000 V100R001C01: 1. Log in to the server with which the camera synchronizes time as the root user. Note: The default password of the root user is Change_Me. 2. Run the chkconfig ntp command to check whether the NTP service is enabled on the server. If the following information is displayed, the NTP service has been enabled: ntp on Note: If a VMU two-node cluster is deployed, verify that the NTP service is enabled on both the active and standby nodes. If the NTP service has been enabled, go to step 3. If the NTP service is disabled, run the /etc/init.d/ntp restart command to enable the NTP service and go to the next step. 3. Change the NTP server IP address of the camera. If the Driver parameter of the camera is set to TEYES, skip this step. If the Driver parameter of the camera is set to T28181, DHSDK, or AXISSDK, log in to the camera web page and change the NTP server IP address to the server IP address. If the Driver parameter of the camera is set to HWSDK, HIKSDK, or ONVIF, perform the following steps: a. Log in to the C/S client. b. Choose Devices > Local Domain. c. Double-click the camera. The Configuration window is displayed. d. Choose System Settings > Time Settings. e. Enable the NTP and enter the NTP server IP address. f. Click OK.

How do I configure NTP synchronization for the TE series endpoint?
To configure NTP synchronization for the TE series endpoint, perform the following steps: On the web interface, choose System Settings > General > Time and Time Zone, enable NTP, and configure the NTP server address.

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