幀中繼OSPF的NBMA模式

NBMA模式：須要手工指定鄰居

BMA模式：不須要手工指定鄰居

 

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:

en

conf t

hostname R1

interface loopback 1

ip address 1.1.1.1 255.255.255.0

no sh

exit

interface s0/0

encapsulation frame-relay

no sh

ip address 192.168.1.1 255.255.255.0

no frame-relay inverse-arp

frame map ip 192.168.1.3 103 broadcast

frame map ip 192.168.1.4 104 broadcast

ip ospf network non-broadcast

ip ospf priority 10

exit

router ospf 1

neighbor 192.168.1.3

neighbor 192.168.1.4

network 1.1.1.0 0.0.0.255 area 0

network 192.168.1.0 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 sh

exit

interface s0/0

encapsulation frame-relay

no sh

ip address 192.168.1.3 255.255.255.0

no frame-relay inverse-arp

frame map ip 192.168.1.1 301 broadcast

ip ospf network non-broadcast

ip ospf priority 0

exit

router ospf 1

network 1.1.1.0 0.0.0.255 area 0

network 192.168.1.0 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 sh

exit

interface s0/0

encapsulation frame-relay

no sh

ip address 192.168.1.4 255.255.255.0

no frame-relay inverse-arp

frame map ip 192.168.1.1 401 broadcast

ip ospf network non-broadcast

ip ospf priority 0

exit

router ospf 1

network 1.1.1.0 0.0.0.255 area 0

network 192.168.1.0 0.0.0.255 area 0

exit