On 08/26/2014 09:02 AM, Robert Moskowitz wrote:
It appears to be
udevadm
Which is so complex. According to the man page 'command
--reload-rules' does NOT change any device that has existing rules. So
by that, if you change a rule, tough luck. It is SUPPOSE to be
automatic.
I have tried exporting the dev-db and looking for the mac info. But
have not succeeded yet.
I had to carefully scan down the db and found:
P: /devices/platform/sunxi_emac.0/net/eth0
E: DEVPATH=/devices/platform/sunxi_emac.0/net/eth0
E: ID_MM_CANDIDATE=1
E: ID_NET_NAME_MAC=enx02560201f3b9
E: IFINDEX=2
E: INTERFACE=eth0
E: SUBSYSTEM=net
E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/eth0
E: TAGS=:systemd:
E: USEC_INITIALIZED=104918
So the macaddr was being registered to udev. So I started playing with
the ifcfg0-eth0 file until I found the culprit. The line:
NM_CONTROLLED="no"
Was really meaning no NetworkManager control of the interface, and since
network is inactive by default, no eth0! Dah. So I just deleted that
line and let NetworkManager control the interface, as I DO want RA to
provide the IPv6 info. This is way I am changing the MAC address, so I
get an IPv6 address I can work with to put in DNS and can more easily
change IPv6 prefixes as needed. Can even change which system I use as
long as the rules are right, as I set the macaddr. Local Scope mac
addresses can be your friend...
thanks for putting up with me as I dug into this one.
What I get from copying ifcfg-eth0 from a Centos6 system to F20... :)
On 08/26/2014 08:23 AM, Robert Moskowitz wrote:
All the instructions I have found for 70-persistent-net.rules call
for running:
start_udev
But it is not on ANY of my f20 systems, arm or intel. Something
changed. Most likely related to systemd stuff.
So any pointers would be appreciated, as I still don't have this
working.
On 08/25/2014 06:19 PM, Robert Moskowitz wrote:
On 08/25/2014 05:05 PM, Digimer wrote:
On 25/08/14 04:45 PM, Robert Moskowitz 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?
I've not played with IPv6 yet, and on my system it "just worked".
So I'm not sure what to suggest. Is there a systemd udev target?
SOmething like this:
# systemctl list-unit-files --type=service|grep udev
dracut-pre-udev.service static
initrd-udevadm-cleanup-db.service static
systemd-udev-settle.service static
systemd-udev-trigger.service static
systemd-udevd.service static
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