R1配置如下：
R1#sh run
Building configuration...
Current configuration : 916 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 a
!
interface Serial0/0
ip address 192.168.1.1 255.255.255.0
ip router isis a
serial restart-delay 0
!
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 a
net 49.0001.1111.1111.1111.00
is-type level-1
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
R2配置：
R2#sh run
Building configuration...
Current configuration : 960 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
interface Serial0/0
ip address 192.168.1.2 255.255.255.0
ip router isis b1
serial restart-delay 0
clock rate 64000
!
interface Serial0/1
ip address 192.168.2.1 255.255.255.0
ip router isis b2
serial restart-delay 0
clock rate 64000
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router isis b2 //启用isis路由协议，tag为b1 （与R1直连）
net 49.0002.2222.2222.2222.00
!
router isis b1 //启用isis路由协议，tag为b1 （与R2直连）
net 49.0001.2222.2222.2222.00
is-type level-1 //is类型为LEVEL-1-2
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配置：
R3#sh run
Building configuration...
Current configuration : 1082 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 Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.2.2 255.255.255.0
ip router isis c
serial restart-delay 0
!
interface Serial0/2
ip address 192.168.3.1 255.255.255.0
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router ospf 1 //启用ospf路由协议，进程ID为1
log-adjacency-changes
area 1 nssa //讲area1设为nssa区域
redistribute connected subnets //重发布直联网段
redistribute isis c level-1-2 subnets //重发布isis的类型LEVEL-1-2
network 192.168.3.0 0.0.0.255 area 1 //声明网络。区域为AREA 1
!
router isis c
net 49.0002.3333.3333.3333.00
redistribute ospf 1 metric 10 metric-type external //将OSPF 1发布到ISIS中
default-information originate //启用默认路由
!
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配置：
R4#sh run
Building configuration...
Current configuration : 967 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 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 192.168.3.2 255.255.255.0
serial restart-delay 0
clock rate 64000
!
interface Serial0/3
ip address 192.168.4.1 255.255.255.0
serial restart-delay 0
clock rate 64000
!
router ospf 1
log-adjacency-changes
area 1 nssa default-information-originate //启用默认路由
network 192.168.3.0 0.0.0.255 area 1
network 192.168.4.0 0.0.0.255 area 0
!
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
R5配置：
R5#sh run
Building configuration...
Current configuration : 1266 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
interface Serial0/0
ip address 192.168.5.1 255.255.255.0
serial restart-delay 0
!
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
ip address 192.168.4.2 255.255.255.0
serial restart-delay 0
!
router eigrp 100
redistribute ospf 1 metric 10000 100 255 1 1500 //将ospf 1 重发布到eigrp 100中
network 192.168.5.0
no auto-summary
!
router ospf 1
log-adjacency-changes
redistribute eigrp 100 subnets route-map ahxh //将EIGRP 100重发布到OSPF中，并调用路由策略 AHXH
network 192.168.4.0 0.0.0.255 area 0
!
no ip http server
no ip http secure-server
!
!
!
access-list 1 permit 7.7.0.0 0.0.254.0
access-list 2 permit 7.7.1.0 0.0.254.0
access-list 2 permit 192.168.5.0 0.0.0.255
!
route-map ahxh permit 10
match ip address 1
set metric-type type-1
!
route-map ahxh permit 20
match ip address 2
set metric-type type-2
!
!
!
control-plane
ne con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
R6配置：
R6#sh run
Building configuration...
Current configuration : 1007 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R6
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
interface Serial0/0
ip address 192.168.5.2 255.255.255.0
serial restart-delay 0
clock rate 64000
!
interface Serial0/1
ip address 192.168.6.1 255.255.255.0
serial restart-delay 0
clock rate 64000
!
interface Serial0/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart-delay 0
!
router eigrp 100
redistribute rip metric 10000 100 255 1 1500
network 192.168.5.0
no auto-summary
!
router rip
version 2
redistribute eigrp 100 metric 2
network 192.168.6.0
no auto-summary
!
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
R7配置：
R7#sh run
Building configuration...
Current configuration : 1063 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R7
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
interface Loopback0
ip address 7.7.0.1 255.255.255.0
!
interface Loopback1
ip address 7.7.1.1 255.255.255.0
!
interface Loopback2
ip address 7.7.2.1 255.255.255.0
!
interface Loopback3
ip address 7.7.3.1 255.255.255.0
!
interface Serial0/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial0/1
ip address 192.168.6.2 255.255.255.0
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 rip
version 2
network 7.0.0.0
network 192.168.6.0
no auto-summary
!
no ip http server
no ip http secure-server
trol-plane
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
!
!
end
测试：
1。用1.1.1.1 ping 7.7.1.1，结果如下：
2.在R4上查看7.7.z.0（z为偶数）是否变成O E1：
如图 7.7.0.0和7.7.2.0 变成O E1了！
实验完成，重点看灰色部分。由于时间仓促，来不及过多解释，请见谅，如有不对之处，还请各个提出宝贵意见！