Hi Gonzalo,
Maybe this can help writing your udev rule based on the pci bus numbering:
lspci | grep Eth | awk '{print "KERNEL==\"eth*\", ID==\"0000:"$1"\",
NAME=\"eth"count++"\""}' >> /etc/udev/rules.d/70-persistent-net.rules
cheers
peter
On 02/07/2012 08:42 AM, Gonzalo Servat wrote:
> Hi All,
>
> I've noticed that in RHEL 6.1, setting mac addresses in Cobbler (and, thus,
> in /etc/sysconfig/network-scripts/ifcfg-* -> HWADDR) sometimes results in
> interfaces being renamed. In /etc/udev/rules.d/70-persistent-net.rules, I
> end up with:
>
> # PCI device 0x8086:0x105e (e1000e)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:15:17:4a:2e:91", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth1"
>
> # PCI device 0x8086:0x105e (e1000e)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:15:17:4a:2e:90", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth0"
>
> # PCI device 0x14e4:0x164c (bnx2)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:1a:64:11:a1:60", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth2"
>
> # PCI device 0x14e4:0x164c (bnx2)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:1a:64:11:a1:62", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth3"
>
> # PCI device 0x8086:0x105e (e1000e) (custom name provided by external tool)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:15:17:4a:2e:91", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth3"
>
> # PCI device 0x14e4:0x164c (bnx2) (custom name provided by external tool)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:1a:64:11:a1:62", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth1"
>
> # PCI device 0x14e4:0x164c (bnx2) (custom name provided by external tool)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:1a:64:11:a1:60", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth0"
>
> # PCI device 0x8086:0x105e (e1000e) (custom name provided by external tool)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:15:17:4a:2e:90", ATTR{type}=="1", KERNEL=="eth*",
> NAME="eth2"
>
> The above is the result of specifying the 4 MAC addresses in Cobbler for
> eth0/1/2/3. It ended up renaming eth0 to rename4 and eth1 to rename5!? By
> removing the first 4 entries out of 70-persistent-net.rules, it brought up
> eth0/1/2/3 correctly.
>
> Any suggestions on how to manage consistent naming of NICs on RHEL 6?
>
> Thanks in advance.
> Gonzalo
>
>
>
>
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Peter Mumenthaler
Linux System-Ingenieur
Puzzle ITC GmbH
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