First NIC appearing as eth10 instead of expected eth0
Timothy Murphy
gayleard at eircom.net
Thu Jan 24 14:43:10 UTC 2008
thomas62186218 at aol.com wrote:
> I am running Fedora 8 32-bit with no updates (fresh install) on a
> server with a Tyan S5380 motherboard with the latest 2.00 BIOS. This
> motherboard has two Intel GbE ports on the motherboard.
>
> Oddly, when I type ifconfig -a, these GbE ports appear as eth10 and
> eth11. There is no eth0. I've been around Linux for a few years and
> have never seen anything like this, so I'm stumped. Why would it not
> map these GbE ports as eth0 and eth1, as expected?
>
> [root at localhost ~]# ifconfig -a
> eth10 Link encap:Ethernet HWaddr 00:E0:81:79:C9:51
> inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
> inet6 addr: fe80::2e0:81ff:fe79:c951/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:2756 errors:0 dropped:0 overruns:0 frame:0
> TX packets:1732 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:3781521 (3.6 MiB) TX bytes:132139 (129.0 KiB)
> Base address:0x2000 Memory:d8020000-d8040000
>
> eth11 Link encap:Ethernet HWaddr 00:E0:81:79:C9:50
> BROADCAST MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
> Base address:0x2020 Memory:d8060000-d8080000
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> inet6 addr: ::1/128 Scope:Host
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:3066 errors:0 dropped:0 overruns:0 frame:0
> TX packets:3066 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:2968932 (2.8 MiB) TX bytes:2968932 (2.8 MiB)
>
>
>
> Any ideas on this?
In addition to the entries in /etc/sysconfig/network-scripts/ifcfg-eth?
and /etc/modprobe.conf mentioned by others,
I think udev can affect the naming of interfaces,
as determined eg on my system by the entries
in /etc/udev/rules.d/70-persistent-net.rules .
--
Timothy Murphy
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland
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