![]() ![]() The mapping database and its updating engine are hosted in one of the Dynamic DNS servers, most of which offer basic services for free, such as How does it work? Look at the graph below. ACTi cameras support Dynamic DNS service that allows frequently changing IP be mapped to a certain unchangeable domain name. 1ΔΆ The good news is - there exists a solution that makes sure the NVR can find the camera even if the camera IP changes frequently. NVR will not know about this change, and the connection between the camera and NVR will fail. If the camera s network connection has been reset for any reason, the camera will get a new IP address through DSL Modem, which may be different from the previous one. PPPoE Connection with Dynamic IP address Internet IP Camera DSL Modem Video Stream from camera to NVR Control Center (NVR) Commands from NVR to camera s IP address However, there is one drawback in this solution in order to do the remote surveillance from the Control Center, the NVR Server in the Control Center has to know the address of the IP camera at all times in order to get the video stream from the camera. In such cases, one of the practical networking solutions is to use DSL modem on camera site and let the camera obtain the dynamic IP address from the Internet Service Provider through the DSL modem using PPPoE connection, which is much more cost-effective than applying for static IP address. ![]() For example, the chain stores, bus stops, currency exchange booths, etc. ![]() 1 ACTi Knowledge Base Category: Installation & Configuration Note Sub-category: Streaming & Networking Model: All Firmware: All Software: N/A Author: Ando.Meritee Published: 8 Reviewed: 8 How to Use Dynamic DNS with ACTi Cameras Contents Introduction How to Set Up DDNS Introduction There are surveillance solutions that consist of single cameras scattered over a wide territory, therefore each of those cameras should be connected to Internet in order to become accessible by Control Center. ![]()
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