OSPF configuration in NBMA mode in frame relay environment
Add port to frame relay server
R1(config)#int s1/0
R1(config-if)#ip add 172.16.134.1 255.255.255.0
R1(config-if)#encapsulation frame-relay
R1(config-if)#frame-relay map ip 172.16.134.2 102 broadcast
R1(config-if)#frame-relay map ip 172.16.134.3 103 broadcast
R1(config-if)#frame-relay map ip 172.16.134.1 103 //You can ping your own interface address
R1(config-if) #no frame-relay inverse-arp //Turn off frame relay reverse ARP analysis
R2(config)#int s1/0
R2(config-if)#ip add 172.16.134.2 255.255.255.0
R2(config-if)#encapsulation frame -relay
R2(config-if)#frame-relay map ip 172.16.134.1 201 broadcast
R2(config-if)#frame-relay map ip 172.16.134.2 201 //You can ping your own interface address
R2(config-if) #no frame-relay inverse-arp //Turn off frame relay reverse ARP analysis
R3(config)#int s1/0
R3(config-if)#ip add 172.16.134.3 255.255.255.0
R3(config-if)#encapsulation frame-relay
R3(config-if)#frame-relay map ip 172.16.134.1 301 broadcast
R3(config-if)# frame-relay map ip 172.16.134.3 301 //You can ping your own interface address
R1(config)#router ospf 1
R1(config-router)#network 172.16.134.0 0.0.0.255 area 0
R1(config-router)#network 192.16.1.1 0.0.0.0 area 0
R1(config-router)#neighbor 192.168.1.2
R1(config-router)#neighbor 192.168.1.3
R2(config)#router ospf 1
R2(config-router)#network 172.16.134.0 0.0.0.255 area 0
R2(config-router)#network 192.16.1.2 0.0.0.0 area
R3(config)#router ospf 1
R3(config-router)#network 172.16.134.0 0.0.0.255 area 0
R3(config-router)#network 192.16.1.2 0.0.0.0 area 0