commands.txt

bridge:
sudo ip route add 192.168.102.0/24 via 192.168.100.4

web:
ip route add default via 192.168.100.2

dbserver:
ip route add 192.168.102.0/24 via 192.168.100.4



             network:
                ethernets:
                  eth0:
                    [...]
                    routes:
                      - to: default # could be 0.0.0.0/0 optionally
                        via: 10.0.0.1
                        metric: 100
                        on-link: true
                      - to: default # could be ::/0 optionally
                        via: cf02:de:ad:be:ef::2
                  eth1:
                    [...]
                    routes:
                      - to: default
                        via: 172.134.67.1
                        metric: 100
                        on-link: true
                        # Not on the main routing table,
                        # does not conflict with the eth0 default route
                    table: 76