Note that all network interfaces, including switches in the local network, must support the same MTU in order to use jumbo frames. MTUBytes: Using a value larger than 1500 (so called jumbo frames) can significantly speed up your network transfers. etc/udev/rules.d/les SUBSYSTEM="net", ACTION="add", ATTRS="2000" Property=ID_VENDOR_ID=12ab ID_MODEL_ID=3cd4 Android phone tethering) that has a dynamic MAC address and you want to be able to use different USB ports, you could use a rule that matched depending on vendor and model ID instead: If you are using a USB network device (e.g. Only the system-default rule will fire the second time around, causing the name to be changed back. For example, in the given rule, "/devices/pci*/*1c.0/*/net/en*" would be wrong since it will stop matching once the name is changed to net1. The device path should match both the new and old device name, since the rule may be executed more than once on bootup. 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):
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