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Configuring DHCP for static IP

By psparks ·
Is there a method to configure a router that is DHCP served for a static IP in order to use a network security camera offsite?

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by ippirate In reply to Configuring DHCP for stat ...

Running Domain or Peer to Peer/Workgroup?

Is the router the DHCP server for the network?

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by ippirate In reply to

To my knowledge you would need to get the static. Even then the issue is going to move from your router to your subnet. If you are using the default 192.168.x.x subnet you will remain unroutable and therefore incapable of connecting up without difficulty. With that in mind you would then need to purchase a subnet itself so that you can route your traffic. This in turns runs into how you will now keep everyone else from viewing your camera, accessing any other hardware behind the router or the router itself.
You could run this setup

ISP-feeding static IP-

VPN/Firewall/Router (67.1.1.1)(Authenticate/passthrough)-

Security Camera (67.1.1.2)

Of course an easier solution may be to install a dial-in camera. Frames would be choppy but overall cost is cheaper. Have a phone line run with no services but talk and pay for that line ongoing.

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by psparks In reply to Configuring DHCP for stat ...

I am subscribed to an ISP that uses DHCP(Charter) and want to use my Hawking Network camera connected to my Linksys wireless G router. I want to view the location from my work and am told that I need a static IP address for my router in order to access the camera which is behind it. Is there a way?

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by CG IT In reply to Configuring DHCP for stat ...

you don't need a static IP address from your ISP. As long as you know your current "public" IP address [public means the one your ISP assigns you], you shouldn't have a problem. The router itself should have a static IP address for its LAN port. That is the gateway address all hosts behind the router use as the way out to the internet.

The biggest problem is letting traffic past the router for which you use port fowarding or use the DMZ port. To use port fowarding, the host has to have a configured static IP address [host means device such as a printer, computer, camera, whatever].

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by CG IT In reply to

your public IP from your ISP is how another computer not on your LAN finds you. Your router acts as a firewall/gatekeeper/packet filter- inspector/router for inbound traffic. The router is capable of reading NAT packet header information for source and destination IP addresses [one of it's primary functions is NAT translation]. So if your away from home and you know what your Public IP address is, you can in essence, phone home. The documentation that came with the application you use will specify which ports need to be open for the application to run remotely. Once at the router, the packet header is stripped away and send to the destination computer on the LAN.

NOTE: the application that you use must be running on the computer you are trying to remotely access and run the program. That means the target computer has to be on and the program has to be running. Now most consumer level programs are not run as a service which means it doesn't run until a user starts it up. So for 24/7 access, your going to need the computer and program runnings 24/7. There are programs that can convert your application to run as a service.

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by CG IT In reply to

now everyone who says you need a static IP address might mean the computer on your LAN that runs the program for the camera needs a static IP address. That is so if you have multiple computers on your LAN, the router's port fowarding feature where you can specify a specific computer on your LAN and that traffic over a specific port or range of ports is allowed. So don't confuse a public IP address which all ISPs issue by DHCP unless you buy a static IP, with a LAN IP address.

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by sgt_shultz In reply to Configuring DHCP for stat ...

just call your isp and tell them what you need. it will be surprisingly cheap to get the same ip address assigned to your account. even a truly static address may not be all that expensive. shop isp's if you are fortunate to have several to choose from

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by psparks In reply to Configuring DHCP for stat ...

I found the ability to enable DDNS on my Linksys router and use DynDNS.org to redirect my dynamic IP to a static and it works like a charm.

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by wlbowers In reply to Configuring DHCP for stat ...

You would need to buy a static IP address from your ISP or use a service like dyndns.org.

With Dyndns.org you assign a dns link to your tcpip address that is assigned to your internet link.

http://www.dyndns.org

The basic service is free. Ya I said free. They have advanced services but the basic dns link is free.

You register with dyndns.org and select a dns link. They have several options. I chose homeip.net.

You install a client on your computer that every thirty days or when your ip address changes reports to dyndns.org what the new tcpip address is. They have a list of the clients that work with their service.

So instead of going to xx.xx.xx.xx you would go to xxxxxx.homeip.net.

f course what you chose will replace xxxxxx.
They have a good explination of this service.

Good Luck Lee

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