> master, I can normally do: > ethtool -s end1 speed 1000 master-slave forced-slave You might want to try adding 'autoneg off' If the new default is to perform autoneg, speed 1000 tells it to try to autoneg only advertising 1000. If the link partner is not actually performing autoneg, it will never succeed. This is the regression i was talking about. For this device, due to its history, we might want to default to autoneg off. Andrew