It's been my experience that if you want udev to rename interfaces you have to include in /etc/default/grub: net.ifnames=0 on the kernel command line to prevent the auto rename that the kernel does: GRUB_CMDLINE_LINUX="rd.md.uuid=bf821173:4de945af:1f58df6d:74e2fc11 net.ifnames=0 rd.shell rd.timeout=65" Don't forget to re-create your grub config and then reboot: grub2-mkconfig -o /boot/grub2/grub.cfg
My /etc/udev/rules.d/70-persistent-net.rules line looks like this: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="6c:f0:49:0a:1e:54", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="lan4"
Bill
On 12/11/2018 9:10 PM, sean darcy wrote:
On 12/11/18 12:54 PM, Rick Stevens wrote:
On 12/11/18 8:52 AM, sean darcy wrote:
On 12/11/18 12:54 AM, Samuel Sieb wrote:
On 12/10/18 4:22 PM, sean darcy wrote:
I'm trying to get the interface on a multi-homed machine named "internal"
ifconfig enp1s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether 50:7b:9d:0b:8a:ab txqueuelen 1000 (Ethernet)
Is that the full ifconfig output for that interface or does it have the right IP address as well?
I haven't connected the port yet. Before I do I need to make sure I've got the correct internet name.
That's the device (ethernet port) name, NOT the host name. The host name is controlled by the contents of the /etc/hostname file, which is read at boot time and sets the FQDN (fully qualified domain name) of the machine.
That was fat finger syndrome. I meant interface name !
The stuff in the /etc/sysconfig/network-scripts/ifcfg-* files (and NM's configurations) control how the interfaces themselves are configured and do not affect the hostname of the machine.
As I understand, NM scans the ifcfg files for HWADDR's. If there's a match, it names the interface the DEVICE name.
I believe NM uses the DEVICE _or_ the HWADDR to set up the interface. Whichever one matches the hardware config first is what gets used (I'm not sure which has precedence). And don't be confused...the values in the NM config are only used to match the hardware.
And in answer to your second message, NM doesn't do any renaming of devices. That's still done by the udev rules.
If so, why doesn't the udev rule work ? But I think nm now does device renaming: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/htm...
sean
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