R4#
R4#show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       + - replicated route, % - next hop override

Gateway of last resort is not set

O     192.168.0.0/24 [110/128] via 192.168.2.1, 00:14:25, Serial1/0.1
      192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.2.0/24 is directly connected, Serial1/0.1
L        192.168.2.4/32 is directly connected, Serial1/0.1
O     192.168.101.0/24 [110/65] via 192.168.2.1, 00:14:25, Serial1/0.1
O     192.168.102.0/24 [110/129] via 192.168.2.1, 00:12:12, Serial1/0.1
O     192.168.103.0/24 [110/129] via 192.168.2.1, 00:12:02, Serial1/0.1
      192.168.104.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.104.0/24 is directly connected, FastEthernet0/0
L        192.168.104.1/32 is directly connected, FastEthernet0/0
R4#
R4#show ip ospf neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
192.168.101.1     0   FULL/  -        00:00:35    192.168.2.1     Serial1/0.1
R4#
R4#show frame-relay map
Serial1/0.1 (up): point-to-point dlci, dlci 401(0x191,0x6410), broadcast
          status defined, active
R4#
R4#show ip ospf interface
Serial1/0.1 is up, line protocol is up
  Internet Address 192.168.2.4/24, Area 0, Attached via Network Statement
  Process ID 1, Router ID 192.168.104.1, Network Type POINT_TO_POINT, Cost: 64
  Topology-MTID    Cost    Disabled    Shutdown      Topology Name
        0           64        no          no            Base
  Transmit Delay is 1 sec, State POINT_TO_POINT
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:07
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 2/2, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 1
  Last flood scan time is 4 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1
    Adjacent with neighbor 192.168.101.1
  Suppress hello for 0 neighbor(s)
FastEthernet0/0 is up, line protocol is up
  Internet Address 192.168.104.1/24, Area 0, Attached via Network Statement
  Process ID 1, Router ID 192.168.104.1, Network Type BROADCAST, Cost: 1
  Topology-MTID    Cost    Disabled    Shutdown      Topology Name
        0           1         no          no            Base
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 192.168.104.1, Interface address 192.168.104.1
  No backup designated router on this network
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:08
  Supports Link-local Signaling (LLS)
  Cisco NSF helper support enabled
  IETF NSF helper support enabled
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 0, maximum is 0
  Last flood scan time is 0 msec, maximum is 0 msec
  Neighbor Count is 0, Adjacent neighbor count is 0
  Suppress hello for 0 neighbor(s)
R4#
R4#show ip protocols
*** IP Routing is NSF aware ***

Routing Protocol is "ospf 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Router ID 192.168.104.1
  Number of areas in this router is 1. 1 normal 0 stub 0 nssa
  Maximum path: 4
  Routing for Networks:
    0.0.0.0 255.255.255.255 area 0
  Routing Information Sources:
    Gateway         Distance      Last Update
    192.168.101.1        110      00:14:24
    192.168.103.1        110      00:12:01
    192.168.102.1        110      00:12:11
  Distance: (default is 110)

R4#