To allow OSPF route exchange between a CE router and its associated PE router, OSPF must be enabled on the CE router. To configure OSPF on the CE 1 router for local area 1 in OSPF to CE network example and enable it to redistribute static routes through OSPF, enter the following commands.
device(config)# router ospf
device(config-ospf-router)# area 1
device(config-ospf-router)# redistribute static