/tool netwatch
:foreach i in=[find comment~"path"] do={ remove $i }

/ip route
:foreach r in=[find comment~"probe pin"]        do={ remove $r }
:foreach r in=[find comment~"probe blackhole"]  do={ remove $r }

/ip route
add dst-address=4.2.2.1/32 gateway=192.168.12.1%ether6-tmobile       check-gateway=ping distance=1 scope=10 comment="TMO probe pin"
add dst-address=4.2.2.1/32 type=blackhole                             distance=2         comment="TMO probe blackhole"
add dst-address=4.2.2.2/32 gateway=204.110.191.30%ether5-vntx-static  check-gateway=ping distance=1 scope=10 comment="VNTX probe pin"
add dst-address=4.2.2.2/32 type=blackhole                             distance=2         comment="VNTX probe blackhole"
add dst-address=4.2.2.3/32 gateway=192.168.1.1%ether7-starlink        check-gateway=ping distance=1 scope=10 comment="Starlink probe pin"
add dst-address=4.2.2.3/32 type=blackhole                             distance=2         comment="Starlink probe blackhole"

/tool netwatch
add type=simple host=4.2.2.1 interval=2s timeout=1s comment="TMO path" up-script="/ip route enable [find comment=\"Default via TMO (primary)\"]; /ip route enable [find comment=\"tmo table default\"]" down-script="/ip route disable [find comment=\"Default via TMO (primary)\"]; /ip route disable [find comment=\"tmo table default\"]"
add type=simple host=4.2.2.2 interval=2s timeout=1s comment="VNTX path" up-script="/ip route enable [find comment=\"Default via VNTX (secondary)\"]" down-script="/ip route disable [find comment=\"Default via VNTX (secondary)\"]"
add type=simple host=4.2.2.3 interval=2s timeout=1s comment="Starlink path" up-script="/ip route enable [find comment=\"Default via Starlink (last resort)\"]" down-script="/ip route disable [find comment=\"Default via Starlink (last resort)\"]"