Ubuntu 20.04 네트워크(L4 DSR) 설정

* Ubuntu 네트워크 설정

# vi /etc/netplan/*.yaml

# netplan apply

 

* L4 DSR loopback

network:
  version: 2
  renderer: networkd
  ethernets:
    lo:
      match:
        name: lo
      addresses:
        - L4_VIP_입력/32