![]() ![]() sys/class/net/enp0s31f6: symbolic link to. $ file /sys/class/net/* /sys/class/net/enp0s20f0u4u1: symbolic link to. To get the DEVPATH of all currently-connected devices, see where the symlinks in /sys/class/net/ lead. If the network card has a dynamic MAC, you can use Path (which can be checked using networkctl status interface_name): ![]() Make sure to use the lower-case hex values in your udev rules.To get the MAC address of each card, run ip link.The network interface must be down before changing its name.99-default.link sets NamePolicy, requiring the custom config to be ordered before it, i.e. The priority of Name is lower than NamePolicy, so make sure the latter is unset/empty or the name will not be changed.The UP in is what indicates the interface is up, not the later state DOWN. $ ip link show dev enp2s0 2: enp2s0: mtu 1500 qdisc pfifo_fast master br0 state DOWN mode DEFAULT qlen 1000 To check the status of the interface enp2s0: Network interfaces can be enabled or disabled using ip link set interface up|down, see ip-link(8). See /Ethernet#Device driver or /Wireless#Device driver.Įnabling and disabling network interfaces If your network interface is not listed, make sure your device driver was loaded successfully. See also /Wireless#Get the name of the interface. Wireless device names can also be retrieved using iw dev. Note that lo is the virtual loopback interface and not used in making network connections. ![]() link files.īoth wired and wireless interface names can be found via ls /sys/class/net or ip link.
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