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large install overpowering router
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Michael
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March 11, 2015 - 5:23 pm
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I have installed about 60 ip cameras on 2 NVRs. As I try to add cameras, I am seeing the comcast router not recognizing devices after a certain number. It also seemed to be overwhelmed by the traffic. I had read somewhere (here i think) to segment the network with routers. I started with one with my comcast router and the internet port of the netgear AC1750 router on 10.1.10.1 and .2. The LAN side of the netgear router, i made 192.168.1.1 and I made all the cameras 192.168.1.x. the netgear took about 45 camera before it quit discovering new devices. So I bought a second netgear router (AC1600) and made it 10.1.10.3 and 192.168.2.1. I then split the cameras between them and now had one router per DVR. The second device took about 20 before it quit. 

Do I need to go to 4 routers? how do you have 1 dvr work with 2 routers?

Any idea why these darn routers quit discovering? It seems like a bug because even after I delete a few cameras, the router still wont discover new ones.

Michael

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Heath Phillips
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March 11, 2015 - 5:33 pm
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Michael, 

For an install with so many IP cameras an NVR with dual NIC’s would be ideal in order to isolate the IP cameras from the main network. If you do not have that available, the best way for you to go about this is to drop the frame rate and the bit rate really low. Even the resolution if it is higher than 720p. How are you connecting these cameras on your network? Are you using a POE switch or just a gigabyte switch? I am not sure why the routers would drop cameras, are they dropping off of the NVR at the same time?

Thank You! 

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Michael
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March 11, 2015 - 5:47 pm
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Cameras are connected to POE switches. 2 16 port switches feed into a router. The NVR is on the same LAN as the cameras. So 32 ports per router or 1 DVR’s worth. All the video traffic stays local to the LAN.

Cameras are not being dropped. As I use the router to configure the IP address of the cameras, the router stops discovering the cameras after a certain number. 

How are other large installs handling this?

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Heath Phillips
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March 11, 2015 - 5:59 pm
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So right now you have 2 routers, both with 1 NVR and both with 2 16 port switches, correct? I wouldn’t use the router itself to configure the IP’s of cameras. Use the config tool, but in order for me to get you the right one I will need the model# of your cameras. Also, what model NVR do you have? Does it have 2 Ethernet ports?”

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Michael
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March 12, 2015 - 5:22 pm
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correct on your first question. I didn’t know there was a config too. Is that built into the NVR? or is that a standalone piece of sw?

my cameras are IPOB-EL1MPRI50-E. My NVRs have 2 ethernet ports (NVR-EL-32).

I did manage to get this up and running after working around a bunch of router discovery issues. But I will be buying more cameras and I would appreciate a better way to configure the cameras.

Michael

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Techpro Security
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March 12, 2015 - 5:47 pm
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Sorry but I’m confuse here of what you mean about “I would appreciate a better way to configure the cameras.” for every install there is a type of configuration that needs to be done so I;m sorry but i don’t understand your statement. 

 

Thanks

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Michael
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March 12, 2015 - 5:54 pm
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I am using the routers to do the camera config (IP address, no DHCP). I have found them to be flaky with discovery. I plug a new camera in and the router does not discover it and so I cannot configure it. Is there a piece of software that allows for the discovery and configuring of these IP cameras?

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Heath Phillips
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March 12, 2015 - 6:08 pm
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Mike, 

Follow this link, http://www.securitycameraking……#038;ind=0

That is the link to the config tool, it will find every single NVR and EL camera on your network. If your NVR’s have dual NIC this is the easiest way to configure this type of set up with the least amount of errors. i have attached a diagram I made of an 80 camera set up that I recently configured. You will need 1x gigabyte switch per NVR, you will connect 2x 16 port POE switches to said gigabyte switch, and with the proper configuring your cameras will be completely separate from your network, this is kind of like a simple VLAN set up! That would be the best way to go about this type of system, utilize the tools given to you, The dual NIC’s in this case. There will be no need for a second router and your system will flow smoothly. if you are interested in getting more details about this type of set up, please allow me to call you so I can help you understand and I can do the configurations for you! Thank you! Look at the diagram I provided and subtract the 3rd NVR. The network on that install was completely separate from all 80 cameras, and everything worked out great. if you take my advice you will have much fewer problems than normal. I would say zero problems, but i can not guarantee that! Please provide me with a good number and time i can call you tomorrow! Thanks! 

 

 

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