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Specifying PCI device for eth0 and eth1?

Posted by eger, 12-11-2009, 12:58 PM
I have a strange problem on a Supermicro X7DVL-E board with CentOS 5.4 running. This problem may have started with a kernel upgrade. But I am not sure. Only the second onboard ethernet interface is coming up. According to the dmesg output it looks like CentOS is assigning eth0 to BOTH the onboard IDs (thus overwriting the first one?). See dmesg output: You can see there is 0000:04:00.0 and 0000:04:00.1 and they both become eth0. Any way to force the eth0 device -> PCI ID or IRQ? I have tried aliasing eth0 and eth1 to e1000e in modprobe.conf. But it doesn't make a difference. The first onboard NIC doesn't seem to have an issue as the IPMI is still working on it. Just not becoming a eth1 device that I can use :\

Posted by vapetrov, 12-11-2009, 07:15 PM
Usually interface name depend on parameter like HWADDR=00:30:48:be:38:a2 and HWADDR=00:30:48:be:38:a3 in ifcfg-eth0 and ifcfg-eth1 in /etc/sysconfig/network-scripts/



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