creating 70-persistent-net.rules

[Greg Woods]

I have read previously that you can't use "eth*" as the device name. As an
experiment, you could try using a device name other than "eth0" and see if
that works.

--Greg



On Mon, Aug 25, 2014 at 2:45 PM, Robert Moskowitz <rgm at htt-consult.com>
wrote:

>
> On 08/25/2014 03:57 PM, Digimer wrote:
>
>> On 25/08/14 03:52 PM, Robert Moskowitz wrote:
>>
>>> This is on a f20 arm system, but it should be like any F20 system. Yeah,
>>> famous last words.
>>>
>>> So I want a 70-persistent-net.rules so I can specify the MAC address to
>>> the device name.  Then in the ifcfg-xxxx I can change the MACADDR to
>>> what I want.
>>>
>>> I got this working on my Redsleeve arm system, but now I need it on my
>>> F20 arm system.
>>>
>>> So I have done a little searching on creating 70-persistent-net.rules,
>>> and I come up with two commands:
>>>
>>> udevadm trigger
>>> udevadm trigger --action=add
>>>
>>> I have run both and no 70-persistent-net.rules
>>>
>>> help please...
>>>
>>
>> As before, you need to create it yourself. I wrote a little script that
>> will do this, which you can see here:
>>
>> https://alteeve.ca/w/Changing_Ethernet_Device_Names_in_EL7_
>> and_Fedora_15%2B#Writing_The_udev_Rules_File
>>
>
> Thanks.  I used your script to create my rules file:
>
> # cat /etc/udev/rules.d/70-persistent-net.rules
>
> # Added by 'write_udev' for detected device 'eth0'.
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="02:56:02:01:f3:b9", NAME="eth0"
>
> And that looked good (right madaddr and device name).  So built my
> ifcfg-eth0:
>
> # cat /etc/sysconfig/network-scripts/ifcfg-eth0
> DEVICE="eth0"
> BOOTPROTO=none
> NM_CONTROLLED="no"
> ONBOOT="yes"
> TYPE="Ethernet"
> NAME="System eth0"
> MACADDR=02:67:15:00:01:78
> MTU=1500
> DNS1=208.83.67.188
> GATEWAY="208.83.67.177"
> IPADDR="208.83.67.178"
> NETMASK="255.255.255.240"
> HOSTNAME="miredo.htt-consult.com"
> IPV6INIT="yes"
> DNS2=2607:f4b8:3:3:9254:5400:0:188
>
> Something is missing as after the change I restarted network.services and
> got IPv6 RA errors.  So I rebooted and now no eth0 listed with ifconfig (or
> ip addr show).  So something is lacking.  Almost like udev is not running
> at boot?  How do I check this out?
>
>
>
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