[MIKROTIK] Failover using recursive gateway - fourslickz/notes GitHub Wiki
#BACKUP
ip route add dst-address=0.0.0.0/0 gateway=192.168.2.1 distance=2 comment="backup-backbone"
#MAIN
ip route add dst-address=0.0.0.0/0 gateway=8.8.8.8 check-gateway=ping target-scope=30 comment="main-backbone"
ip route add dst-address=8.8.8.8 gateway=192.168.1.1