Hi Nigel,
The new udev device naming schema is a bit daunting at first. I recommend
at least looking over Red Hat's own documentation in regards to this:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/ch-Consistent_Network_Device_Naming.html
If you want to revert to the old-style naming:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Disabling_Consistent_Network_Device_Naming.html
Most modern distros are headed down the systemd-udevd path. I recommend
using the CentOS 7 defaults and renaming via
/etc/udev/rules.d/70-persistent-net.rules instead of disabling the feature
altogether.
Here's an example for yours. Replace ATTR{address}== with the MAC addresses
of your interfaces. Easiest way to get these to take effect is to reboot.
/etc/udev/rules.d/70-persistent-net.rules:
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{dev_id}=="0x0",
ATTR{address}=="00:0e:b7:34:10:38", ATTR{type}=="1", KERNEL=="enp*",
NAME="eth0"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{dev_id}=="0x0",
ATTR{address}=="00:0e:b7:34:10:39", ATTR{type}=="1", KERNEL=="enp*",
NAME="eth1"
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{dev_id}=="0x0",
ATTR{address}=="00:0e:b7:34:10:3a", ATTR{type}=="1", KERNEL=="enp*",
NAME="eth2"
You can get creative with the naming. For mine, I use 'wan0', 'lan0',
'wifi0', etc.
Hope this helps!
mateo
On Wed, Oct 7, 2015 at 7:03 PM, Nigel Aves <ni...@twin-peaks-video.com>
wrote:
> Quick question on interface names.
>
> I'm building a Centos 7 server and the interface names are no longer eth*
> but (on this machine) are:-
>
> enp2s0 - Outside world
> enp8s0 - Internal network
> enp7s0 - Internal network
>
> I've tried checking the documentation but can not find a definitive answer.
>
> Will Shorewall - Interfaces be OK with these new names, or should I try
> and revert back to the eth* naming schema.
>
> (and it's a bit of a hit and miss getting those names back, but dead easy
> to loose all your networking! :) )
>
> Nigel.
>
>
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