WAN IP - 80.85.X.2/29
LAN IP - 80.X.157.1/24
default Route : gateway=80.85.x.1
/ip firewall nat
add action=masquerade chain=srcnat comment="" disabled=no src-address= 80.X.157.2
Mikrotik 2 connected to mikrotik 1 LAN
WAN IP 80.X.157.2/24
LAN IP 80.X.158.1/24
default Route : gateway=80.X.157.1
/ip firewall nat
add action=masquerade chain=srcnat comment="" disabled=no src-address=80.X.158.0/24