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Setting up IP addresses for static IP

D

Diggar

Junior Member
Hi Everyone:

I just had comcast setup a static IP because we were having voip phone issues and the phone company wanted a static ip and a router saying they had to set something they couldn't set with the comcast router.

Well everything got finished this Friday at 6:30PM. The phones work great now but none of the computers will access the internet.

The computers are setup to find the addresses automatically. I also have a copier on the network and a few other printers. When I went in on Saturday to print something it could not find the copier and would not access the Internet ( all of this worked fine all day Friday)

Do I need to set IP addresses for everything now that there is a static IP?
If so what numbers do I use?
The static IP starts with 50 no 10 like I usually see.

If you need more information I will be happy to supply it.

Any help appreciated.
 
You will have to describe how the cable modem and/or router are connected. Generally, the cable modem will be connected to your router with a network cable. Then, each computer will connect to the router via network cable or wifi. Sometimes a lazy cable technician will connect the cable modem directly to a single computer, leaving every other computer disconnected from the internet.

Unless you have specific reasons to use fixed IP's inside your house, you should use use DHCP to automatically assign IP's. The static IP is just for your external IP. The internal IP's are allocated and managed by the router. Internal IP's are often something like 192.168.1.x, where the x is 1 through 255 (x = the 50 you're seeing as the starting point).
 
Last edited:
All the computers and phones go to a switch. From the switch to the Netgear router that I just installed and from the Netgear to the comcast router and out.

Computers -> Switch -> Netgear Router -> Comcast Router

Thanks
 
Sounds like someone may have turned of DHCP Reservations in the NetGear router. Login to the router and check that DHCP service is enabled.

If everything is set up with Static IP addresses then DHCP isn't needed, but if you ever want to connect a device and just have it work, then it's necessary.
 
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