Linux配置静态路由

1. Ubuntu16

# cat /etc/network/interfaces
auto lo
iface lo inet loopback

auto ens33
iface ens33 inet static
...
up route add -net 192.168.1.0 netmask 255.255.255.0 gw 10.0.0.4 dev ens33

$ sudo /etc/init.d/networking restart

2. Ubuntu20

$ cat /etc/netplan/01-network-manager-all.yaml 
# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
  ethernets:
    eno1:
      ...
      routes:
      - to: 192.168.1.0/24
        via: 10.0.0.4

$ sudo netplan apply
$ ip route show
...
192.168.1.0/24 via 10.0.0.4 dev eno1 proto static metric 100 
...