Show existing routing table:
route print
Add a new persistent route:
#Destination network 10.0.0.0
#Destination netmask 255.0.0.0
#Gateway for this route 10.0.0.1
route -p add 10.0.0.0 255.0.0.0 10.0.0.1
#Destination netmask 255.0.0.0
#Gateway for this route 10.0.0.1
route -p add 10.0.0.0 255.0.0.0 10.0.0.1