How to connect a security DVR to the internet

Written by nathaniel bloom
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Many modern security camera control systems contain a digital video recorder (DVR) device integrated into the system, as well as an Ethernet network interface. By utilising this network interface along with simple wiring connections and some possible basic device settings changes, one may integrate the DVR into the local area network (LAN) and successfully connect the DVR to the Internet. The materials and devices required for the process are common and easy to attain at many retail and online stores.

Skill level:

Things you need

  • Security DVR device with Ethernet interface
  • Ethernet LAN router
  • Computer with Ethernet interface and Web browser software
  • Ethernet network cables

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  1. 1

    Connect the Ethernet router to the broadband Internet connection device. Plug one end of an Ethernet cable into the Internet interface of the router, usually labelled as "Internet" or "WAN." Plug the other end of the Ethernet cable into the broadband Internet connection device's LAN port, often labelled as "LAN," "PC" or numbered sequentially when more than one exists. Most router devices are programmed at the factory to, by default, request an automatically assigned IP address for the WAN interface via the dynamic host configuration protocol (DHCP) from the Internet service provider; any device not found to be as such must be set up to use DHCP.

  2. 2

    Connect the security DVR device to the Ethernet router. Using another Ethernet cable, connect one end to any LAN port on the router; plug the other end into the Ethernet interface on the DVR device. Most such devices are shipped from the factory programmed to request a dynamically assigned IP address from the router. If the DVR in process is not programmed as such, consult the manual for instructions on how to set it to use DHCP for IP address assignment.

  3. 3

    Verify that network settings are functional. Connect the computer into another of the LAN ports on the router; verify that the computer's Ethernet interface is set to use DHCP for address assignment. Use a command prompt, shell or third-party application to "ping" an Internet address such as, thereby verifying by successful ping that the Internet connection is active and properly configured. At this point, further verification can be achieved by initiating an Internet-dependent activity on the DVR device, such as a firmware update from the manufacturer's website servers.

  4. 4

    Unsuccessful ping is most commonly caused by redundant network numbers. One simple fix for this problem is to change the LAN network number on the router device. For example, many devices use the 192.168.0 network. By using the administrative Web interface on the router, and changing the LAN IP address of the router from its current number (e.g. or to, this particular problem can be remedied.

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