Monitoring multiple WAN links in PCC using BLACK-HOLE

For WAN-1 link we will monitor 4.2.2.1  [DNS Server]
For WAN-2 link we will monitor 208.67.222.123 [Open DNS server IP]

/ip route
add comment="WAN-1  /  FORCED ROUTE FOR LINK MONITORING / ZAIB" disabled=no distance=1 dst-address=4.2.2.1/32 gateway=pppoe-out1 scope=30 target-scope=10

add comment="WAN-2  /  FORCED ROUTE FOR LINK MONITORING / ZAIB" disabled=no distance=1 dst-address=208.67.222.123/32 gateway=pppoe-out2 scope=30 target-scope=10


add comment="WAN-1  blackhole /  FORCED ROUTE FOR LINK MONITORING / ZAIB" disabled=no distance=2 dst-address=4.2.2.1/32 type=blackhole

add comment="WAN-2  blackhole /  FORCED ROUTE FOR LINK MONITORING / ZAIB" disabled=no distance=2 dst-address=208.67.222.123/32 type=blackhole