anyone have a Lenovo T400 with working ethernet?

Rick Stevens ricks at nerd.com
Fri Nov 14 19:10:49 UTC 2008


Per Bothner wrote:
> Chuck Anderson wrote:
>> I think that is "persistent udev naming rules" which tries to keep the 
>> eth name the same for every boot despite additional interfaces 
>> coming/going, e.g. usb or other hotplugged devices.
>>
>> You can find the mapping of ethernet address to device name here and 
>> change it if you want:
>>
>> /etc/udev/rules.d/70-persistent-net.rules
> 
> That was it: I removed from that file two lines referring to
> eth0 and eth1, and after reboot my Ethernet comes up as eth0.
> Thanks!
> 
>> Also, make sure your ifcfg-ethX files have matching HWADDR= lines.  
>> e.g. ifcfg-eth0 should save DEVICE=eth0 and HWADDR= that matches the 
>> ATTR{address} from the persistent-net.rules above.
> 
> There are no fcfg-ethX files in /etc.

The full path to those is /etc/sysconfig/network-scripts/ifcfg-ethX.
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