Hello Lisi, Is eth1 up? so check /etc/udev/rules.d/70-persistent-net.rules for multiple entrys.
Regards, basti || On 15.11.2013 16:06, Lisi Reisz wrote: > I have just upgraded a client's computer to Wheezy. It appeared to go > well and there was certainly an internet connection: it would not > have been able to upgrade otherwise! > > Now there is none. I have checked /etc/network/interfaces and > changed "allow-hotplug" to "auto", just for something to try. :-( It > made no difference. I pinged the gateway, largely so that I could > report that I had done so. I got the error message "Network is > unreachable". > > KControl tells me that eth0 is "disabled". How and why is it > disabled? More importantly, **how do I enable it?** > > Thanks, > Lisi > >