ospf幀中繼模式下點到多點模式

環境描述：

4臺路由器，其中R2用來模擬幀中繼雲；R1的S0/0鏈接R2的S0/0，R3的S0/0鏈接R2的S0/1，R4的S0/0鏈接R2的S0/2；

 

配置命令：

一、將R2變爲幀中繼交換機

en

conf t

hostname fr-sw

frame-relay swithing

interface s0/0

no ip address

clock rate 128000

encapsulation frame-relay

frame-relay lmi-type cisco

frame-relay intf-type dce

frame-relay route 103 interface s0/1 301

frame-relay route 104 interface s0/2 401

no shutdown

interface s0/1

no ip address

clock rate 128000

encapsulation frame-relay

frame-relay lmi-type cisco

frame-relay intf-type dce

frame-relay route 301 interface s0/1 103

no shutdown

interface s0/0

no ip address

clock rate 128000

encapsulation frame-relay

frame-relay lmi-type cisco

frame-relay intf-type dce

frame-relay route 104 interface s0/0 401  

no shutdown

end

sh frame-relay route

 

R1

interface Loopback1
 ip address 1.1.1.1 255.255.255.0
!
interface Serial0/0
 no ip address
 encapsulation frame-relay
 serial restart-delay 0
 no frame-relay inverse-arp
!
interface Serial0/0.1 multipoint
 ip address 192.168.1.1 255.255.255.0
 ip ospf network point-to-multipoint
 frame-relay map ip 192.168.1.2 103 broadcast
 frame-relay map ip 192.168.1.3 104 broadcast
 no frame-relay inverse-arp

router ospf 1
 router-id 1.1.1.1
 log-adjacency-changes
 network 1.1.1.0 0.0.0.255 area 0
 network 192.168.1.0 0.0.0.255 area 0

R3

interface Loopback1
 ip address 3.3.3.3 255.255.255.0
!
interface Serial0/0
 ip address 192.168.1.2 255.255.255.0
 encapsulation frame-relay
 ip ospf network point-to-multipoint
 serial restart-delay 0
 frame-relay map ip 192.168.1.1 301 broadcast
 no frame-relay inverse-arp

router ospf 1
 router-id 3.3.3.3
 log-adjacency-changes
 network 3.3.3.0 0.0.0.255 area 0
 network 192.168.1.0 0.0.0.255 area 0
!

R4

interface Loopback1  ip address 4.4.4.4 255.255.255.0 ! interface Serial0/0  ip address 192.168.1.3 255.255.255.0  encapsulation frame-relay  ip ospf network point-to-multipoint  serial restart-delay 0  frame-relay map ip 192.168.1.1 401 broadcast  no frame-relay inverse-arp ! router ospf 1  router-id 4.4.4.4  log-adjacency-changes  network 4.4.4.0 0.0.0.255 area 0  network 192.168.1.0 0.0.0.255 area 0