ip link set $device up
ip link set $device down
vi /etc/netplan/01-netcfg.yaml
---------------------------------------------------------
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
version: 2
renderer: networkd
ethernets:
enp61s0f1:
dhcp4: no
addresses: [192.168.1.1/24]
enp61s0f0:
dhcp4: true
addresses: [192.168.21.211/22]
gateway4: 192.168.20.1
nameservers:
addresses: [10.8.8.8,10.6.6.6]
dhcp-identifier: mac
-----------------------------------------------------------
netplan apply
ifconfig enp61s0f0 down && ifconfig enp61s0f0 up
