ospf帧中继环境下点到点模式

环境描述：

4台路由器，其中R2用来模拟帧中继云；R1的S0/0连接R2的S0/0，R3的S0/0连接R2的S0/1，R4的S0/0连接R2的S0/2；

 

配置命令：

1、将R2变为帧中继交换机

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:

en

conf t

hostname r1

interface loopback 1

ip address 1.1.1.1 255.255.255.0

no shutdown

exit

interface s0/0

no shutdown

no ip address

encapsulation frame-relay

no frame-relay inverse-arp

ip ospf network point-to-point

exit

interface s0/0.1 point-to-point

ip address 192.168.1.1 255.255.255.0

frame-relay interface-dlci 103

interface s0/0.2point-to-point

ip address 192.168.21 255.255.255.0

frame-relay interface-dlci 104

exit

router ospf 1

router-id 1.1.1.1

network 1.1.1.0 0.0.0.255 area 0

network 192.168.1.0 0.0.0.255 area 0

network 192.168.2.0 0.0.0.255 area 0

exit

 

R3

en

conf t

hostname r3

interface loopback 1

ip address 3.3.3.3 255.255.255.0

no shutdown

exit

interface s0/0

no shutdown

no ip address

encapsulation frame-relay

no frame-relay inverse-arp

ip ospf network point-to-point

exit

interface s0/0.1 point-to-point

ip address 192.168.1.2 255.255.255.0

frame-relay interface-dlci 301

exit

router ospf 1

router-id 3.3.3.3

network 3.3.3.0 0.0.0.255 area 0

network 192.168.1.0 0.0.0.255 area 0

network 192.168.2.0 0.0.0.255 area 0

exit

 

R4

en

conf t

hostname r4

interface loopback 1

ip address 4.4.4.4 255.255.255.0

no shutdown

exit

interface s0/0

no shutdown

no ip address

encapsulation frame-relay

no frame-relay inverse-arp

ip ospf network point-to-point

exit

interface s0/0.1 point-to-point

ip address 192.168.2.2 255.255.255.0

frame-relay interface-dlci 401

exit

router ospf 1

router-id 4.4.4.4

network 4.4.4.0 0.0.0.255 area 0

network 192.168.1.0 0.0.0.255 area 0

network 192.168.2.0 0.0.0.255 area 0

exit