Try the following and see Dmesg | grep -i eth
If it gives an interface then try to manually create ifcfg-* files and try network restart. If dmesg doesn't show up anything then I think there is an issue with your driver ? Thanks, SWAMY -----Original Message----- From: Seif Eddine Jemli [mailto:seifeddineje...@gmail.com] Sent: Friday, 22 March 2013 3:29 AM To: cloudstack-us...@incubator.apache.org Subject: no ethernet interface Hi, when trying to create the network between the management server and the infrastructure machines, i faced an unexpected problem. ifconfig -a doesn't show any ethernet interface (just lo and wlan0 (wifi)) i am on centos 6.2 64bits . is there any solution different from reinstalling the os. ?