解决OSPF不连续区域的3种方法

    解决OSPF不连续区域的3种方法

 

网络拓扑图

解决OSPF不连续区域的问题 我们有三种解决办法:

1.多进程双向重新分布

2.创建tunnel通道 宣告到区域0

3.创建虚链路

以下是3种方法配置的详细命令:

方法1:多进程双向重新分布

(1).重新启动另外一个OSPF进程

(2).在2个OSPF进程中宣告不连续的网段


(3).双向发布OSPF进程: redistribute ospf 进程号 subnets
 

R1

int s0/0
ip add 1.1.1.1 255.255.255.0
no shut

router ospf 110
router-id 1.1.1.1
network 1.1.1.0 0.0.0.255  area 0


R2

int s0/0
ip add 1.1.1.2 255.255.255.0
no shut

int s0/1
ip add 2.2.2.1 255.255.255.0
no shut

 

router ospf 110
router-id 2.2.2.2
network 2.2.2.0 0.0.0.255 area 1
network 1.1.1.0 0.0.0.255 area  0


router ospf 120
router-id 2.2.2.5
network

 

R3

int s0/0
ip add 2.2.2.2 255.255.255.0
no shut
int s0/1
ip add 3.3.3.1 255.255.255.0
no shut

 

router ospf 110
router-id 3.3.3.3
network 2.2.2.0 0.0.0.255 area 1
redistribute ospf 120 subnets

router ospf 120
router-id 3.3.3.5
network 3.3.3.0 0.0.0.255 area  2
redistribute ospf 110 subnets

 

R4

int s0/0

ip add 3.3.3.2 255.255.255.0
no shut

router ospf 110
router-id 4.4.4.4
network 3.3.3.0 0.0.0.255 area 2


方法2:创建tunnel通道 宣告到区域0

r1

int s0/0
ip add 1.1.1.1 255.255.255.0
no shut

router ospf 110
router-id 1.1.1.1
network 1.1.1.0 0.0.0.255  area 0


r2

int s0/0
ip add 1.1.1.2 255.255.255.0
no shut

int s0/1
ip add 2.2.2.1 255.255.255.0
no shut


int tunnel 1
tunnel source 2.2.2.1
tunnel destination 2.2.2.2
ip add 172.16.1.1 255.255.255.0
no shut

router ospf 110
router-id 2.2.2.2
network 2.2.2.0 0.0.0.255 area 1
network 1.1.1.0 0.0.0.255 area  0
network 172.16.1.0 0.0.0.255 area 0
 

r3
int s0/0
ip add 2.2.2.2 255.255.255.0
no shut
int s0/1
ip add 3.3.3.1 255.255.255.0
no shut

int tunnel 1
tunnel source 2.2.2.2
tunnel destination 2.2.2.1
ip add 172.16.1.2 255.255.255.0
no shut

router ospf 110
router-id 3.3.3.3
network 2.2.2.0 0.0.0.255 area 1
network 3.3.3.0 0.0.0.255 area  2
network 172.16.1.0 0.0.0.255 area 0


r4

int s0/0

ip add 3.3.3.2 255.255.255.0
no shut

router ospf 110
router-id 4.4.4.4
network 3.3.3.0 0.0.0.255 area 2

方法3:创建虚链路

R1路由器

int s0/0
ip add 1.1.1.1 255.255.255.0
no shut

router ospf 110
router-id 1.1.1.1
network 1.1.1.0 0.0.0.255  area 0


R2路由器

int s0/0
ip add 1.1.1.2 255.255.255.0
no shut

int s0/1
ip add 2.2.2.1 255.255.255.0
no shut

 

router ospf 110
router-id 2.2.2.2
network 2.2.2.0 0.0.0.255 area 1
network 1.1.1.0 0.0.0.255 area  0
area 1 virtual-link 3.3.3.3
 

R3路由器

int s0/0
ip add 2.2.2.2 255.255.255.0
no shut
int s0/1
ip add 3.3.3.1 255.255.255.0
no shut

router ospf 110
router-id 3.3.3.3
network 2.2.2.0 0.0.0.255 area 1
network 3.3.3.0 0.0.0.255 area  2
area 1 virtual-link 2.2.2.2


R4路由器

int s0/0

ip add 3.3.3.2 255.255.255.0
no shut

router ospf 110
router-id 4.4.4.4
network 3.3.3.0 0.0.0.255 area 2
 

大家可以去通过实验来验证效果!有什么问题多交流,谢谢!

 

 

 

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