Ubuntu 20/22

配置文件路径

/etc/netplan

1. DHCP配置

network:
  version: 2
  ethernets:
    eth0:
      dhcp4: true

2. 配置静态ip

network:
  version: 2
  ethernets:
    eth0:
      addresses:
        - 10.10.10.2/24
      gateway4: 10.10.10.1
      nameservers:
        addresses: [8.8.8.8,223.5.5.5]

3. 多网口DHCP配置

network:
  version: 2
  ethernets:
    eth0:
      dhcp4: yes
      dhcp4-overrides:
        route-metric: 100
    eth1:
      dhcp4: yes
      dhcp4-overrides:
        route-metric: 200

4. 多网口路由配置

network:
  version: 2
  ethernets:
    eth0:
      addresses:
        - 192.168.3.30/24
      dhcp4: no
      routes:
        - to: 0.0.0.0/0
          via: 192.168.3.1
          metric: 100
    eth1:
      addresses:
        - 192.168.5.24/24
      dhcp4: no
      routes:
        - to: 192.168.5.0/24
          via: 192.168.5.1
          metric: 100

使配置生效

sudo netplan apply