On Mon, Jan 19, 2015 at 9:10 AM, Leon Fauster <leonfauster at googlemail.com> wrote: > Full updated EL6: Does someone have the same behaviour, unstable eth interface (tg3/no dhcp)? > > Jan 19 18:01:46 ane kernel: tg3 0000:04:00.0: eth0: Link is up at 1000 Mbps, full duplex > Jan 19 18:01:46 ane kernel: tg3 0000:04:00.0: eth0: Flow control is on for TX and on for RX You were probably hit a bug described in this upstream article: https://access.redhat.com/solutions/1302043 Check to see if the tg3 version is 3.137 (modinfo tg3). If so, one workaround is to downgrade the tg3 driver. Luckily, ELRepo's kmod-tg3 for EL6 is at 3.136. Install the kmod and see if this resolves the issue. Akemi