Static ip for cameras
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I have a Verizon Quantum router.
Because the wifi is weak in parts of the house, I have an ASUS ACRH13 router in another room attached by ethernet cable to it. The ASUS is set as an AP.
Part of my home WLAN includes some ip 2.4 security cameras that go directly to a cam viewer app (not calling outside the home). To ensure continuous connection, I went into the verizon router Advanced Tab/IP Address Distribution/Connection List and set the camera ip addresses to static. I also gave them names to help me remember them.
Just now, the cameras stopped working and I discovered that was because their IPs had changed! Maybe when I rebooted the Verizon or ASUS router but I'm not sure.
So I went back to verizon router Advanced Tab/IP Address Distribution/Connection List. The static addresses were still there and marked as "static" but the cameras now had new IPs they are currently connected to!!! The old IPs no longer work in the camera app. The new IPs were also present in the ASUS connection list but the old static IPs were not there.
I don't understand what I am doing wrong. How do I prevent this from happening? I think the ASUS router is assigning new IPs (even though it is an AP) but I am not sure how to make them static there too.
I "think" I need to
1. In the Verizon router, delete the old static IPs
2. In the Verizon router, mae the new camera IPs static
3. In the ASUS router make the new current camera IPs static
But I'm no good at networks so I may be missing something here. And it is very frustrating.
Help appreciated.
Solved! Go to Correct Answer
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Things are fixed now (I think).
A reply I sent seems to have gotten lost. So i may repeat myself. What worked was:
--removed power from all my cameras, so they were offline
--removed power from the ASUS router I'm using as an AP for same reason
--pressed reset button on the Verizon router for 15 seconds
--entered the new router password
--entered the new ssid and passwords
--Went to Advanced/IP Address distribution/connection List
--Edited the Network (Home/Office) distribution to limit the pool as follows:
Server 255.255.255.0 192.168.1.15-192.168.1.254
--Used "add Static Connection +" to add the mac addresses of the cameras with IPs in the range 192.168.1.(4-14)
--That registered correctly in the router.
Prior to doing that, the Verizon router would issue new ip addresses every few hours (5-6hrs I think). What's worse, the distribution list would show 2 different IPS for the same Mac device, only the newer one connecting. Weird. So far, this is not happening after the router reset.
Fwiw, I (who know nothing about these things) think that the router was corrupted possibly by interaction with the Asus router I was using as an ap to extend the wlan coverage range. I say that because I noticed and repeatedly mentioned that the list of connected devices and their associated IPs were different in the 2 routers. I don't think that should be if the Asus router is just used as an Access Point. Should it? But, so far things are fine with the 'static IPS' set outside the distribution range. I'll see if things go south again tomorrow.
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Progress! It's now about 12 hrs later.
Cameras remain connected except for one camera. Unplugging that camera from electric power and repowering it brings it back online at the same static/reserved ip it was set for. The unchanging ip is now a huge improvement because previously it used to sometimes acquire a new ip address.
I'm guessing that camera's connection loss is probably due to poor wifi signal strength at that camera's location. Correct? If so, I could fix that with a tp-Link repeater or similar. Correct?
Is there an android tool I can use to determine wifi strength at various locations around the house?
Is there an android tool I can use to determine RSSI at various locations around the house in case that is part of the problem?
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Great! Yes same for me over 12 hours and IPs are still good. I would suspect a bad wifi signal for the camera. Yes you could get a wireless repeater to help. Just remember that a wireless repeater shouldn't be next to the device it should be somewhere in between the router and the device.
Download a wifi analyzer tool from the Play Store. It will show you the RSSI score and best channel.
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Thanks for all the help. And the patience!
I will get some repeaters. Probably tp-link re200 because i already have one and they are inexpensive and easy to use. Any problems with having 2-3 (or too many) around the house?
Would you suggest a different repeater?
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I guess it really depends on the house. You can use the wifi analyzer app to see where the wifi is bad around the house. This way you can determine how many you might need.
Just try to make sure they are on different non-overlapping channels like 1, 6 and 11.
I would say if that repeater works for you it's safe to go with another one.
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Happy New Year! If the VZ router is on coax you will have to get ethernet from the ONT to the router to be able to swap them. Not sure how hard that will be but I figured I'd throw it out there.
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An IP address reference....
There is a STATIC IP address,
a DHCP IP address.
and a RESERVED DHCP Address...
Think of DHCP addresses like chairs in a concert hall. First person in the door gets seated, or assigned, first available chair, or IP address, chair 1, second gets chair 2, third gets chair 3, etc.
Computer in chair 5 gets up and leaves.
The next computer to be seated will fill the first available chair, chair 5...
Reserved DHCP puts a name, or a MAC address, on a specific chair. No one else can sit there, only that MAC address...
A static IP address means that the computer brings its own seat into the concert hall. The IP address, or chair, is assigned permanently by the computer, not the DHCP server. This can lead to the chair that was brought in conflicting with a chair assigned by the DHCP server, or if the IP address subnet changes, the chair not fitting in the concert hall.
I have had a wireless printer on a reserved DHCP address for years. Every time it asks the DHCP server for an address, it gets the same one....
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