Are there different naming schemes for network interfaces?
The following different naming schemes for network interfaces are now supported by udev natively:
Is it possible to rename an interface in Linux?
If this tool has to work in an arbitrary environment (rather than just on internal environments which you control), note that users may rename interfaces on linux systems with arbitrary names, such as [ wan0, lan0, lan1, dmz0] which will break any assumptions about initial letters.
How to name an interface in systemd V197?
By default, systemd v197 will now name interfaces following policy 1) if that information from the firmware is applicable and available, falling back to 2) if that information from the firmware is applicable and available, falling back to 3) if applicable, falling back to 5) in all other cases.
How to name an Ethernet interface in systemd?
Your users will thank you. For systemd predictable interface names, the prefixes can be seen in udev-builtin-net_id.c : so for both the traditional ethX style of naming and the newer systemd naming, an initial letter e should be an ethernet interface for any automatically generated interface names.
The following different naming schemes for network interfaces are now supported by udev natively: Names incorporating Firmware/BIOS provided index numbers for on-board devices (example: eno1) Names incorporating Firmware/BIOS provided PCI Express hotplug slot index numbers (example: ens1)
How are interfaces named in systemd V197 by default?
By default, systemd v197 will now name interfaces following policy 1) if that information from the firmware is applicable and available, falling back to 2) if that information from the firmware is applicable and available, falling back to 3) if applicable, falling back to 5) in all other cases.
How to name a network interface device Red Hat?
The interface name starts with a two-character prefix based on the type of interface: 1 en for Ethernet 2 wl for wireless LAN (WLAN) 3 ww for wireless wide area network (WWAN)
How does network device renaming work in x86 _ 64?
How the network device renaming works 2.3. Predictable network interface device names on the x86_64 platform explained 2.4. Predictable network interface device names on the System z platform explained 2.5. Disabling consistent interface device naming during the installation