ethald wrote an interesting post today onArch Linux « Ethald's Weblog
Here’s a quick excerpt

I changed that, and uncommented the gateway part, and tried to ping my router. This time I found that I could, but I could not ping anything without an IP address, I could ping google’s IP, but http://www.google.com wouldn’t resolve to … Finally, I could install packages and ping websites using their domain names. I only had one remaining problem, downloading packages took forever, averaging about 50 Kbps, and I have a T1 connection. I checked the excellent Arch Linux …

Read the rest of this great post here: Arch Linux « Ethald's Weblog