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IP cameras are slowing down your network
Brad Besner
Boca Raton, Florida
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March 9, 2013
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March 28, 2013 - 11:07 pm
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A customer submitted this ticket today:
Michael programed my cameras system today (13 ip 1.3 mp) and now my internet is extremely slow. This is both when logged into the cameras from home and when logged off and not viewing cameras.

Brad Besner
Boca Raton, Florida
Forum Posts: 201
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March 9, 2013
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March 28, 2013 - 11:08 pm
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There are only 3 ways to avoid this bandwidth consumption without reducing the quality of the video from the cameras. Each IP cameras at the highest quality setting will require between 3-4 mbps of bandwidth. So 13 cameras will consume between 40-50 mbps of bandwidth. If you only have a standard network, then it will only support a maximum of 100 mbps and typically you should assume that you will only achieve 50% of the advertised bandwidth. Basically you are maxing out your bandwidth with the 13 cameras. When you are accessing the cameras remotely, either inside or outside the network you are using even more bandwidth. For 13 cameras, we recommend you set up a separate dedicated network for the cameras. If this is not something you want to do, then you need to convert your network to a gigabit network which will provide you with 10 times the available bandwidth. This is fairly simple to do. Just replace any switches and routers with Gigabit devices. The last option is to switch to an edge server configuration where you have cameras in close proximity connected through the network to nearby NVRs which will limit the bandwidth travel over your network to short distances. When you connect remotely, be sure to connect only to the substream to reduce the bandwidth consumption as well. Still, my recommendation is for you to have a dedicated network for your cameras.

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May 6, 2014
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May 6, 2014 - 12:51 pm
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Hi Brad, just found this answer to the same question I have.  So you have to swith both the router and the switch to Gigabit option?  So Which one are you recommending out there?  and if I want to set up a different net work, how do you set it up?  I assume that you will need two router but then that is what I have and I still have the same problem with the network being slow at times.  I can only guess that probably because the networks share the same internet.  Is this the case? Please enlighten me.


Brad Besner
Boca Raton, Florida
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March 9, 2013
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May 6, 2014 - 1:35 pm
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If you mean that you are having problems with a slow network when you are outside the network (WAN) then there are only two ways to handle this. Either increase the "up" bandwidth from your ISP or make sure you are only accessing the substream of your system when outside the network and configure the substream to use only the available amount of bandwidth. 

If the problem is inside your network then you will want to create a subnet to isolate your security camera system from the rest of the network. This is normally done using a managed switch. I recommend you call us to help you with this configuration. 

Dan Maresca


Forum Posts: 319
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March 27, 2013
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May 6, 2014 - 1:57 pm
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Brad has a good idea in upgrading equipment as that maybe the issue. Another thought is if you have a router that is a 10-100 it may not be scaling up to 100 mbp. As for isolation of equipment on network you can connect NVR and cameras to same switch. That keeps traffic on switch so it should not bog down network. Another option is use another router and connect only cameras and NVR to that router.  You should probably call in for setup. I suspect you have cameras configured improperly so they are sapping your throughput.

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