I found the response below today online to a question I had. For some reason I never got the mail. I am not quite clear on what "DHCP + DFG + 2DNS entries" means when calculating the IP to set for the router: Thanks Re: [CentOS] Yum/WGET/HTTP sourceforge etc. new April 12, 2010 08:10AM On Sun, 2010-04-11 at 22:57 +0000, tony.chamberlain at lemko.com wrote: > Here is what I tried. When I put the machine directly on an AT&T IP connection (12.147.X.Y) everything worked fine. > Same with Comcast on a direct link. The times I am having problems is when our router is hooked up to a Comcast > IP (70.88.X.Y) and assigns 192.168.5.X addresses to our machines. So when I was doing the above from 192.168.5.27 > going through the router through Comcast is when I had the problem. > --- Try this: For the NIC on your Comcast router set its ip to one that the dhcp in the router gives out + DFG + 2 DNS entries. In order to have it static. I see lots of routers with your problem. John