John Summerfield wrote: >> So when exactly did you have to say ifdown in your pre-NM days? > > When I took my Acer to work, and when I brought it home. It was then > running opensuse 10.0. So you have your laptop at work, connected by ethernet? Then you turn it off, and bring it home? Then you connect it by WiFi? I do this all the time, and don't find any need to say ifdown. The interface only comes up if the device is connected.