帧中继上的OSPF配置（NBMA）

1.指定邻居

R1：
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.2 255.255.255.0
 encapsulation frame-relay
 ip ospf priority 10
 serial restart-delay 0
 frame-relay map ip 192.168.1.3 102 
 frame-relay map ip 192.168.1.1 101 
!
router ospf 1
 log-adjacency-changes
 network 1.1.1.1 0.0.0.0 area 0
 network 192.168.1.2 0.0.0.0 area 0
 neighbor 192.168.1.3
 neighbor 192.168.1.1
!

R3：
!
interface Loopback0
 ip address 3.3.3.3 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.3 255.255.255.0
 encapsulation frame-relay
 serial restart-delay 0
 frame-relay map ip 192.168.1.1 401 
 frame-relay map ip 192.168.1.2 401 
!
router ospf 1
 log-adjacency-changes
 network 3.3.3.3 0.0.0.0 area 0
 network 192.168.1.3 0.0.0.0 area 0
 neighbor 192.168.1.2
!

R4：
!
interface Loopback0
 ip address 4.4.4.4 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.1 255.255.255.0
 encapsulation frame-relay
 serial restart-delay 0
 frame-relay map ip 192.168.1.2 301 
 frame-relay map ip 192.168.1.3 301 
!
router ospf 1
 log-adjacency-changes
 network 4.4.4.4 0.0.0.0 area 0
 network 192.168.1.1 0.0.0.0 area 0
 neighbor 192.168.1.2
!

2.加上broadcast

R1:
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.2 255.255.255.0
 encapsulation frame-relay
 ip ospf priority 10
 ip ospf network broadcast
 serial restart-delay 0
 frame-relay map ip 192.168.1.3 102 broadcast
 frame-relay map ip 192.168.1.1 101 broadcast
!
router ospf 1
 log-adjacency-changes
 network 1.1.1.1 0.0.0.0 area 0
 network 192.168.1.2 0.0.0.0 area 0
!

R3:
!
interface Loopback0
 ip address 3.3.3.3 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.3 255.255.255.0
 encapsulation frame-relay
 ip ospf network broadcast
 serial restart-delay 0
 frame-relay map ip 192.168.1.1 401 broadcast
 frame-relay map ip 192.168.1.2 401 broadcast
!
router ospf 1
 log-adjacency-changes
 network 3.3.3.3 0.0.0.0 area 0
 network 192.168.1.3 0.0.0.0 area 0
!

R4:
!
interface Loopback0
 ip address 4.4.4.4 255.255.255.0
!
interface Serial1/0
 ip address 192.168.1.1 255.255.255.0
 encapsulation frame-relay
 ip ospf network broadcast
 serial restart-delay 0
 frame-relay map ip 192.168.1.2 301 broadcast
 frame-relay map ip 192.168.1.3 301 broadcast
!
router ospf 1
 log-adjacency-changes
 network 4.4.4.4 0.0.0.0 area 0
 network 192.168.1.1 0.0.0.0 area 0
!