OSPF篇：帧中继承载OSPF-广播

R1:
interface Ethernet0/0
ip address 1.0.0.1 255.0.0.0
!
interface Serial0/0
ip address 10.0.0.1 255.0.0.0
encapsulation frame-relay
ip ospf network broadcast
frame-relay map ip 10.0.0.4 104 broadcast
frame-relay map ip 10.0.0.5 105 broadcast
!
router ospf 1
network 0.0.0.0 255.255.255.255 area 0
R4:
interface Ethernet0/0
ip address 4.0.0.4 255.0.0.0
!
interface Serial0/0
ip address 10.0.0.4 255.0.0.0
encapsulation frame-relay
ip ospf network broadcast
ip ospf priority 0
frame-relay map ip 10.0.0.1 401 broadcast
frame-relay map ip 10.0.0.5 401
no frame-relay inverse-arp
!
router ospf 1
network 0.0.0.0 255.255.255.255 area 0
R5:
interface Ethernet0/0
ip address 5.0.0.5 255.0.0.0
!
interface Serial0/0
ip address 10.0.0.5 255.0.0.0
encapsulation frame-relay
ip ospf network broadcast
ip ospf priority 0
frame-relay map ip 10.0.0.1 501 broadcast
frame-relay map ip 10.0.0.4 501
no frame-relay inverse-arp
!
router ospf 1
network 0.0.0.0 255.255.255.255 area 0
R1#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
10.0.0.4 0 FULL/DROTHER 00:00:33 10.0.0.4 Serial0/0
10.0.0.5 0 FULL/DROTHER 00:00:36 10.0.0.5 Serial0/0
R4#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
10.0.0.1 1 FULL/DR 00:00:39 10.0.0.1 Serial0/0
R5#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
10.0.0.1 1 FULL/DR 00:00:33 10.0.0.1 Serial0/0
R1#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
Gateway of last resort is not set
C 1.0.0.0/8 is directly connected, Ethernet0/0
O 4.0.0.0/8 [110/74] via 10.0.0.4, 00:01:49, Serial0/0
O 5.0.0.0/8 [110/74] via 10.0.0.5, 00:01:49, Serial0/0
C 10.0.0.0/8 is directly connected, Serial0/0
R4#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
Gateway of last resort is not set
O 1.0.0.0/8 [110/74] via 10.0.0.1, 00:02:26, Serial0/0
C 4.0.0.0/8 is directly connected, Ethernet0/0
O 5.0.0.0/8 [110/74] via 10.0.0.5, 00:02:26, Serial0/0
C 10.0.0.0/8 is directly connected, Serial0/0
R5#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
Gateway of last resort is not set
O 1.0.0.0/8 [110/74] via 10.0.0.1, 00:00:11, Serial0/0
O 4.0.0.0/8 [110/74] via 10.0.0.4, 00:00:11, Serial0/0
C 5.0.0.0/8 is directly connected, Ethernet0/0
C 10.0.0.0/8 is directly connected, Serial0/