If you use 2 WAN ports on your mx you can do that based on for example source subnet https://documentation.meraki.com/MX/Firewall_and_Traffic_Shaping/MX_Load_Balancing_and_Flow_Preferences#:~:text=To%20create%20a%20flow%20preference,traffic%2C%20select%20Add%20a%20preference ... View more