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Remotely accessing video recorders and cameras on the internet (WAN) is an important feature to most clients and it should be considered when installing and implementing a video surveillance system. Discussed on this page are three critical aspects of networking a video recorder or camera system:
Page 1 - Port forwarding video recorder(s) and camera(s)
Page 2 - Multiple Router Port Forwarding
Page 3 - Managing an network IP camera system
Page 4 - Bandwidth and throughput limitations
Download the Networking guide in .PDF formhere.
Note the routing device that the video recorder is currently attached to. Make sure that the computer used for network configuration is getting it's network connection (IP address) from the same router. As in the previous section (Steps 2-5), access to the router should be done by inputting the router's gateway IP address into a web browser.
Log in to the router using the proper log-in credentials (see previous section step 5) and go to the Status or Internet menu of the router. Note the Internet IP address and Default gateway of the router. The IP address will be the dynamic IP address being issued by the router located above the current router in the network structure. The gateway address will be used to access the higher tier router.
Forward the HTTP and TCP ports for the video recorder(s) IP address as described in the previous section.
Log in to the higher tier router using the Internet gateway address previously noted from Step 2.
Navigate to the Status or Internet menu of the higher tier router and inspect the Internet IP address and default gateway. Ensure that it has an address that is being assigned by the ISP either dynamically or statically. If it is another local IP address (i.e. 192.168.x.x or 10.x.x.x), then there may be a third router; this process will have to be repeated for each additional router.
Repeat the port forwarding steps 6 and 7 from the previous section, however the ports must be forwarded for the local IP of the lower tier router (rather than the local IP address of the video recorder)
After setting up the port forwarding rules, go to a website such as www.canyouseeme.org or www.yougetsignal.com/tools/open-ports/to check and make sure that the ports are open. If the TCP port is open, but not the HTTP port, try changing the HTTP port to a number other than 80 or 8080 (i.e. 2000). If both HTTP and TCP are not open, try the following steps:
Check the router for any firewall settings that could be blocking remote access. Every router make and model is different when it comes to firewall settings.
Try setting up a DMZ host. To do so, navigate to the Advanced (or Firewall) section of the router and look for a DMZ submenu. From here, enter in the local (LAN) IP address of the video recorder and save the settings. Sometimes the router will report that there are duplicate port forwarding rules, but this can be ignored. Test to see if the ports are open again. NOTE: The DMZ host only works for one device. The DMZ essentially opens all ports for that one device. Opening a DMZ presents a security vulnerability and the user may opt not to utilize this feature.
If a DMZ host does not open up the ports, then double check to make sure that the router is not behind another router(s).
If the previous step does not apply, the ISP may be blocking all port forwarding. Call the ISP to find out more information on why port forwarding is not working properly on the routing device. If the client is using a satellite internet service, port forwarding may not work unless additional static IP addresses are purchased.
Repeat all steps from this section if there is any additional routers that the ports need to be forwarded through.
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