Re: anyone have a Lenovo T400 with working ethernet?

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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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