拓扑图如上:
R1配置：
R1#SH RUN
Building configuration...
Current configuration : 1099 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip router isis
!
interface Serial0/0
ip address 200.1.1.1 255.255.255.0
ip router isis
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
frame-relay map ip 200.1.1.3 103 broadcast //配置CLNS映射
frame-relay map ip 200.1.1.4 104 broadcast
frame-relay map clns 103 broadcast
frame-relay map clns 104 broadcast
!
interface Serial0/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router isis
net 49.0001.1111.1111.1111.00
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
control-plane
!
!!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
R3的配置
R3#show run
Building configuration...
Current configuration : 1036 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup!
!
interface Loopback0
ip address 3.3.3.3 255.255.255.0
ip router isis
!
interface Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
ip address 200.1.1.3 255.255.255.0
ip router isis
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
isis priority 0
frame-relay map ip 200.1.1.1 301 broadcast
frame-relay map clns 301 broadcast
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router isis
net 49.0001.2222.2222.2222.00
!
no ip http server
no ip http secure-server
!
control-plane
!
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
R4的配置：
R4#show run
Building configuration...
Current configuration : 1036 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
interface Loopback0
ip address 4.4.4.4 255.255.255.0
ip router isis
!
interface Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/2
ip address 200.1.1.4 255.255.255.0
ip router isis
encapsulation frame-relay
serial restart-delay 0
clock rate 64000
isis priority 0
frame-relay map ip 200.1.1.1 401 broadcast
frame-relay map clns 401 broadcast
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router isis
net 49.0001.3333.3333.3333.00
!
no ip http server
no ip http secure-server
!
control-plane
!
!line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
验证：查看路由表
R1#sh ip route
Codes: C - connected, S - static, 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
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
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
3.0.0.0/24 is subnetted, 1 subnets
i L1 3.3.3.0 [115/20] via 200.1.1.3, Serial0/0
4.0.0.0/24 is subnetted, 1 subnets
i L1 4.4.4.0 [115/20] via 200.1.1.4, Serial0/0
C 200.1.1.0/24 is directly connected, Serial0/0
R3# show ip route
Codes: C - connected, S - static, 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
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
1.0.0.0/24 is subnetted, 1 subnets
i L1 1.1.1.0 [115/20] via 200.1.1.1, Serial0/1
3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, Loopback0
4.0.0.0/24 is subnetted, 1 subnets
i L2 4.4.4.0 [115/30] via 200.1.1.1, Serial0/1
C 200.1.1.0/24 is directly connected, Serial0/1
R4#show ip route
Codes: C - connected, S - static, 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
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
1.0.0.0/24 is subnetted, 1 subnets
i L1 1.1.1.0 [115/20] via 200.1.1.1, Serial0/2
3.0.0.0/24 is subnetted, 1 subnets
i L2 3.3.3.0 [115/30] via 200.1.1.1, Serial0/2
4.0.0.0/24 is subnetted, 1 subnets
C 4.4.4.0 is directly connected, Loopback0
C 200.1.1.0/24 is directly connected, Serial0/2
全网的路由都有了，实验完成!
总结：在接口和多点接口下， IP 映射和CNLS 映射应该分别分配，命令分别是” franme-relay map clns” 和” franme-relay map
ip”
