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NVR-ELM-8-POE-8-DH Network settings
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MrDeepFreeze
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November 19, 2014 - 10:18 am
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Is it possible with this NVR to record cameras setup on the POE ports AND another camera or two that are not connected directly to the NVR but are connected to the network in another location.  Their video would be coming through the main network port in this case and not one of the POE ports.  Can this be done?  

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Gilberto
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November 19, 2014 - 10:24 am
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Helllo Mr Deep yes as long as the total amount of cameras your connecting is 8, you can use the built in POE and an external POE switch on the same network as the NVR.

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Jose Malave
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November 19, 2014 - 10:25 am
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You can add IP cameras that are not on the NVR’s Internal PoE switch. If it is on another network then it will use the internet connection and you upload speed on the cameras side will be constantly used as well as the download speed on the remote location where the NVR is located. Is this what you are trying to accomplish?

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MrDeepFreeze
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November 19, 2014 - 1:07 pm
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Here’s the deal…..I have two buildings fairly close together that are already networked using 192.168.1.x.  If I place an NVR in the main building where most of the cameras will go I can connect them directly to the POE ports as I usually would.  The twist is that I need a couple cameras in the other building.  I suppose two physical network connections could be made by connecting Ethernet 1 to the main network switch using an IP such as 192.168.1.50 with Ethernet 2 using an IP of 10.10.1.1.  Then program the cameras with a 10.10.1.x address.  This should force all incoming video data for recording to come in through Eth2 leaving Eth1 for viewing from PCs or phones.  This would also secure the cameras somewhat since they would be on a separate IP network but using the same existing network switches.  The second portion of my question would be can Eth2 and Eth1 be on the same IP network?  In this case Eth1 would have 192.168.1.50 and Eth2 would have 192.168.1.51 and they would both have physical connections to the network.  The cameras would have a 192.168.1.x address and be pointed to 192.168.1.51 for recording.

In my other installations I have always used two IP networks physically separated.  I’ve connected Eth1 to the main network for remote viewing, etc.  I’ve then configured Eth2 with 10.10.1.1 and connected all cameras directly to the POE switch.  This seems to be the best configuration but now that I need to connect a couple cameras that are next door I’m looking for the best solution.  

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Jose Malave
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November 19, 2014 - 3:14 pm
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The NVR-ELM-8-POE-8-DH only has one Eth port, Some Full Size as well as 1.5 U recorders have an extra port that you can create an extra network away from the main network for extra security. Or are you trying to add a switch to one of the PoE ports of the recorder and create its own network? Why not just Create a Point to Point bridge from one building to another.

Here is an article. http://www.securitycameraking……tp-locom5/

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MrDeepFreeze
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November 19, 2014 - 6:25 pm
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Yes, can you add a switch to one of the POE ports to create a separate network?  I thought that the POE side used one IP range while Eth1 used another range.  I’m also wondering if they can use the same range.

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Techpro Security
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November 19, 2014 - 6:40 pm
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Jose is referring to the NVRs with dual nic. If you have one then you can assign the sec nic to be a separate network, for example if you want to separate 16 cameras from your network then you will use the sec nic with an IP different than the primary Nic Card. Example setup MultiAddress, NIC1= 192.168.1.108 and NIC2= 192.168.2.108. NIC one will be default NIC. Connect a external POE switch to NIC 2 and add cameras to it using the range assigned to NIC 2, example: 192.168.2.100- 115. Then on NIC1 connect a cable to to your router and connect another external  POE Switch to your Router and add cameras to that switch using the 192.168.1.x network range. Cameras on NIC 1 will be accessible from a PC on the same network as the NVR but Cameras on NIC 2 will be isolated, unless you connect a AP/router to the external POE on NIC 2 and switch between networks from your PC. 

The NVRs that have build in POE use a different range on the POE side, therefore you cannot access cameras that are plug to that switch. You CANNOT assign the POE Switch IP range as the LAN side of the NVR. The POE Switch is not a Router.

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MrDeepFreeze
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November 19, 2014 - 6:43 pm
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Thank you.

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