Adding a New Route onto Enterasys Core Switch

Enterasys L3 switch:

router
enable
configure
interface vlan 200
ip address 192.168.200.1 255.255.255.0 #DMZ Gateway
ip helper-address 10.10.10.2 #(DC01)
ip helper-address 10.10.10.3 #(DC02)
ip helper-address 10.10.10.10 #(LOGS01)
no shutdown
ip ospf cost 1

ip route 192.168.200.0 255.255.255.0 10.10.10.10 1 #CORE01

router ospf 1
network 192.168.200.0 0.0.0.255 area 0.0.0.0