Netplan

静态 IP

network:
  version: 2
  renderer: NetworkManager
  ethernets:
    end0:
      dhcp4: false
      dhcp6: false
      addresses:
        - 192.168.2.x/24
      routes:
        - to: 0.0.0.0/0
          via: 192.168.2.1
      nameservers:
        addresses: [192.168.2.1]
      link-local: [] # 禁用ipv6

多网口桥接上网

任意端口插入 wan 后另外一个端口可以用来给其他设备上网，建议设备里固定 ip 自动分配可能会有问题

• 开启 ipv4 转发

  /etc/sysctl.conf

  net/ipv4/ip_forward=1
  

• 桥接

  network:
    version: 2
    renderer: NetworkManager
    ethernets:
      end0:
        dhcp4: false
        dhcp6: false
      end1:
        dhcp4: false
        dhcp6: false
    bridges:
      br0:
        dhcp4: false
        dhcp6: false
        interfaces:
          - end0
          - end1
        addresses:
          - 192.168.2.x/24
        routes:
          - to: 0.0.0.0/0
            via: 192.168.2.1
        nameservers:
          addresses:
            - 223.5.5.5
            - 223.6.6.6