From: Bob Martin on
in 47808 20100502 220513 John Taylor <john(a)jt.response.invalid> wrote:
>On Sat, 01 May 2010 06:53:53 +0000, Bob Martin wrote:
>
>>
>> Did you remember to set resolv.conf
>>
>> You need
>> nameserver w.x.y.z
>> (usually address of your router / gateway etc)
>
>Doing /etc/init.d/networking restart got it working.
>
>However, it is still very irritating that network manager still has very
>basic bugs.
>
>I've tried this on two different machines, and same results:
>Manual configuration of IP address etc. just doesn't work.
>Network Manager just gets in the way - it used to be easier without it.
>
>JohnT

Yes, it does, so just uninstall it.
Or do what I just did and get a router which reserves ip addresses to specified
MAC addresses, then you can use NM and DHCP but always have the same ip addr,