配置NSSA区域

实验名称:配置NSSA区域

实验要求：

如图配置设备IP地址和OSPF区域

R4去往ISP，使用的是静态的默认路由

R1去往合作公司，使用的也是静态路由，仅需要访问 PC-1 即可

区域 123 不允许出现 5类 LSA

确保 PC-1 和 Server-1 互通

实验拓扑：

实验配置：

R1:

IP 配置：

interface GigabitEthernet0/0/0
 ip address 192.168.10.254 255.255.255.0
interface GigabitEthernet0/0/1
 ip address 192.168.16.1 255.255.255.0

ip route-static 0.0.0.0 0.0.0.0 192.168.16.6

R2:

interface GigabitEthernet0/0/0
 ip address 192.168.16.6 255.255.255.0
interface GigabitEthernet0/0/1
 ip address 192.168.12.1 255.255.255.0

ospf配置：

ospf 1
 import-route static
 area 0.0.0.234
  network 192.168.12.0 0.0.0.255
  nssa
#
ip route-static 192.168.10.0 255.255.255.0 192.168.16.1

R3:

IP配置：

interface GigabitEthernet0/0/0
 ip address 192.168.12.2 255.255.255.0
interface GigabitEthernet0/0/1
 ip address 192.168.23.2 255.255.255.0

 ospf配置：

ospf 1
 area 0.0.0.234
  network 192.168.12.0 0.0.0.255
  network 192.168.23.0 0.0.0.255
  nssa

R4:

IP配置：

interface GigabitEthernet0/0/0
 ip address 192.168.23.3 255.255.255.0
interface GigabitEthernet0/0/1
 ip address 192.168.34.3 255.255.255.0

ospf配置：

ospf 1
 area 0.0.0.0
  network 192.168.34.0 0.0.0.255
 area 0.0.0.234
  network 192.168.23.0 0.0.0.255
  nssa
 

R5:

interface GigabitEthernet0/0/0
 ip address 192.168.34.4 255.255.255.0
#
interface GigabitEthernet0/0/1
 ip address 192.168.45.4 255.255.255.0

ospf 1
 import-route static
 area 0.0.0.0
  network 192.168.34.0 0.0.0.255

ip route-static 192.168.20.0 255.255.255.0 192.168.45.5

ISP:

interface GigabitEthernet0/0/0
 ip address 192.168.45.5 255.255.255.0
#
interface GigabitEthernet0/0/1
 ip address 192.168.20.254 255.255.255.0

ip route-static 0.0.0.0 0.0.0.0 192.168.45.4