View Full Version : [ubuntu] DHCP fails to get address

April 15th, 2010, 03:18 AM
I have a Ubuntu Lucid Lynx Beta 2 64-bit build running on an Asus P7H55-m Pro mobo. This has an onboard Realtek RTL8111 chip. Lately, the machine is unable to get its IP address from my router when initially powered on. The networking icon doesn't show up on the Gnome status bar either. If I manually assign an IP address, I can connect to other boxes on my LAN. However, without DNS I cannot go out to the Internet. Now, if I restart the system, it comes up with the icon in the status bar and I can open up the Networking window and click on "auto eth0" to get the DHCP address and everything works fine.

This used to work fine when I initially installed my system but somewhere down the road, it has stopped working. I haven't made any changes to any system files manually. It's a relatively new system (~ 2 weeks old) and I have only added packages so I wonder if one of the added packages screwed something up.

Any help would be appreciated in debugging this problem.