IP/Switch problems

[fs1]

Hi,

I'm not a switch expert by any means and am encountering an issue I thought I'd throw this way. I have a switch that three users use plugged into a cable modem to get internet access. On occassion, only two of the three will be able to get on the internet. I have rebooted both the modem and switch, all computers, but still, only two computers can get out to the internet.

I have done IPCONFIG /Release on all PCs, but still, only the first two to boot up get on the internet. I have statically assigned one PC's IP, but this did not fix issue. Does anyone have any idea how I need to proceed to fix this?

Thanks in advance for any help.

 

[Motopsycho]

If you have a cable modem connected to a switch, this will not provide dynamic IP addressing (DHCP) or NAT that will be necessary to allow PCs to access the internet using only 1 public IP address. A router should do the trick.

 

[vipergg]

Yup you need a router to do NAT to get multiple users out 1 assigned ISP address , surprised you get 2 to work at the same time .

 

[voltron1011]

Go buy a cheap Lynksys cable/dsl router. It NATS and DHCP's right out of the box.