Basic commands for virtual network cards under Linux

Create virtual network card

# 创建tap模式的虚拟网卡tap0
sudo ip tuntap add mode tap tap0
# 开启网卡
sudo ip link set tap0 up
# 设置网卡的ip地址和子网掩码
sudo ip addr add 192.168.1.1/24 dev tap0

View virtual network card

# 查看虚拟网卡tap0
ifconfig tap0

Delete virtual network card

# 删除虚拟网卡tap0
sudo ip tuntap del mode tap tap0