ospf综合实验 - 技术栈

实验要求

1、R4为ISP，其上只配置IP地址；R4与其他所直连设备间均使用公有IP。

2、R3-R5、R6、R7为MGRE环境，R3为中心站点。

3、整个OSPF环境IP基于172.16.0.0/16划分；除了R12有两个环回，其他路由器均有一个环回IP。

4、所有设备均可访问R4的环回。

5、减少LSA的更新量，加快收敛，保障更新安全。

6、全网可达。

配ip

cpp 复制代码

[R1]interface g0/0/0
[R1-GigabitEthernet0/0/0]ip add 172.16.1.1 24
[R1-GigabitEthernet0/0/0]interface L0
[R1-LoopBack0]ip add 172.16.5.1 32

cpp 复制代码

[R2]interface g0/0/0
[R2-GigabitEthernet0/0/0]ip add 172.16.1.2 24
[R2-GigabitEthernet0/0/0]interface L0
[R2-LoopBack0]ip add 172.16.5.2 32

cpp 复制代码

[R3]interface g0/0/0
[R3]GigabitEthernet0/0/0]ip add 172.16.1.3 24
[R3-GigabitEthernet0/0/0]interface L0
[R3-LoopBack0]ip add 172.16.5.3 32
[R3]interface Serial 4/0/0
[R3-Serial4/0/0]ip add 34.0.0.3 24

cpp 复制代码

[R4]interface Serial 4/0/0
[R4-Serial4/0/0]ip add 34.0.0.4 24
[R4-Serial4/0/0]interface g0/0/0
[R4-GigabitEthernet0/0/0]ip add 47.0.0.4 24
[R4-GigabitEthernet0/0/0]interface serial 3/0/0
[R4-Serial3/0/0]ip add 46.0.0.4 24
[R4-Serial3/0/0]interface serial 4/0/1
[R4-Serial4/0/1]ip add 45.0.0.4 24
[R4-Serial4/0/1]int L0
[R4-LoopBack0]ip add 172.16.5.4 32

cpp 复制代码

[R5]interface Serial 4/0/0
[R5-Serial4/0/0]ip add 45.0.0.5 24
[R5-Serial4/0/0]int L0
[R5-LoopBack0]ip add 172.16.5.5 32

cpp 复制代码

[R6]interface Serial 4/0/0
[R6-Serial4/0/0]ip add 46.0.0.6 24
[R6-Serial4/0/0]int L0
[R6-LoopBack0]ip add 172.16.5.6 32
[R6]interface g0/0/0
[R6-GigabitEthernet0/0/0]ip add 172.16.2.6 24

cpp 复制代码

[R7]interface g0/0/0
[R7-GigabitEthernet0/0/0]ip add 47.0.0.7 24
[R7-GigabitEthernet0/0/0]int L0
[R7-LoopBack0]ip add 172.16.5.7 32
[R7]interface g0/0/1
[R7-GigabitEthernet0/0/1]ip add 172.16.3.1 24

cpp 复制代码

[R8]interface g0/0/0
[R8-GigabitEthernet0/0/0]ip add 172.16.3.2 24
[R8-GigabitEthernet0/0/0]interface g0/0/1
[R8-GigabitEthernet0/0/1]int L0
[R8-LoopBack0]ip add 172.16.5.8 32
[R8]interface g0/0/1
[R8-GigabitEthernet0/0/1]ip add 172.16.3.8 24

cpp 复制代码

[R9]interface g0/0/0
[R9-GigabitEthernet0/0/0]ip add 172.16.6.2 24
[R9-GigabitEthernet0/0/0]interface g0/0/1
[R9-GigabitEthernet0/0/1]ip add 172.16.4.9 24
[R9-GigabitEthernet0/0/1]int L0
[R9-LoopBack0]ip add 172.16.5.9 32

cpp 复制代码

[R10]interface g0/0/0
[R10-GigabitEthernet0/0/0]ip add 172.16.4.10 24
[R10-GigabitEthernet0/0/0]int L0
[R10-LoopBack0]ip add 172.16.5.10 32

cpp 复制代码

[R11]interface g0/0/0
[R11-GigabitEthernet0/0/0]ip add 172.16.2.11 24
[R11-GigabitEthernet0/0/0]int L0
[R11-LoopBack0]ip add 172.16.5.11 32
[R11]interface g0/0/1
[R11-GigabitEthernet0/0/1]ip add 172.16.7.11 24

cpp 复制代码

[R12]interface g0/0/0
[R12-GigabitEthernet0/0/0]ip add 172.16.7.12 24
[R12-GigabitEthernet0/0/0]int L0
[R12-LoopBack0]ip add 172.16.5.12 32
[R12-LoopBack0]interface L1
[R12-LoopBack1]ip add 172.16.5.13 32

配置公网

cpp 复制代码

[R3]ip route-static 0.0.0.0 0 34.0.0.4
[R5]ip route-static 0.0.0.0 0 45.0.0.4
[R6]ip route-static 0.0.0.0 0 46.0.0.4
[R7]ip route-static 0.0.0.0 0 47.0.0.4

配置内网

area1：

cpp 复制代码

[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 1
[R1-ospf-1-area-0.0.0.1]network 172.16.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.1]network 172.16.5.1 0.0.0.0

[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]network 172.16.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.1]network 172.16.5.2 0.0.0.0

[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 1
[R3-ospf-1-area-0.0.0.1]network 172.16.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]network 172.16.5.3 0.0.0.0

area2：

cpp 复制代码

[R6]ospf 1 router-id 6.6.6.6
[R6-ospf-1]area 2
[R6-ospf-1-area-0.0.0.2]network 172.16.2.0 0.0.0.255
[R6-ospf-1-area-0.0.0.2]network 172.16.5.6 0.0.0.0

[R11]ospf 1 router-id 11.11.11.11
[R11-ospf-1]area 2
[R11-ospf-1-area-0.0.0.2]network 172.16.2.0 0.0.0.255
[R11-ospf-1-area-0.0.0.2]network 172.16.7.0 0.0.0.255
[R11-ospf-1-area-0.0.0.2]network 172.16.5.11 0.0.0.0

[R12]ospf 1 router-id 12.12.12.12
[R12-ospf-1]area 2
[R12-ospf-1-area-0.0.0.2]network 172.16.7.0 0.0.0.255
[R12]rip 1
[R12-rip-1]version 2     
[R12-rip-1]undo summary
[R12-rip-1]network 172.16.0.0

area3:

cpp 复制代码

[R7]ospf 1 router-id 7.7.7.7
[R7-ospf-1]area 3
[R7-ospf-1-area-0.0.0.3]network 172.16.3.0 0.0.0.255
[R7-ospf-1-area-0.0.0.3]network 172.16.5.7 0.0.0.0

[R8]ospf 1 router-id 8.8.8.8
[R8-ospf-1]area 3
[R8-ospf-1-area-0.0.0.3]network 172.16.3.0 0.0.0.255
[R8-ospf-1-area-0.0.0.3]network 172.16.6.0 0.0.0.255
[R8-ospf-1-area-0.0.0.3]network 172.16.5.8 0.0.0.0

[R9]ospf 1 router-id 9.9.9.9
[R9-ospf-1]area 3
[R9-ospf-1-area-0.0.0.3]network 172.16.6.0 0.0.0.255

area4:

cpp 复制代码

[R9-ospf-1]area 4
[R9-ospf-1-area-0.0.0.4]network 172.16.4.0 0.0.0.255
[R9-ospf-1-area-0.0.0.4]network 172.16.5.9 0.0.0.0

[R10]ospf 1 router-id 10.10.10.10
[R10-ospf-1]area 4
[R10-ospf-1-area-0.0.0.4]network 172.16.4.0 0.0.0.255
[R10-ospf-1-area-0.0.0.4]network 172.16.5.10 0.0.0.0

配置缺省路由

$R4$ ip route-static 0.0.0.0 0 45.0.0.2

配置ABR

cpp 复制代码

[r3]ospf 1
[r3-ospf-1]a 1
[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.64.0 255.255.224.0

[r6]ospf 1
[r6-ospf-1]a 2
[r6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0

[r7]ospf 1
[r7-ospf-1]a 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.224.0

配置ASBR

cpp 复制代码

[r12]ospf 1
[r12-ospf-1]asbr-summary 10.1.0.0 255.255.252.0

[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

做特殊区域

Area 1

cpp 复制代码

[r1]ospf 1
[r1-ospf-1]a 1
[r1-ospf-1-area-0.0.0.1]stub 

[r2]ospf 1
[r2-ospf-1]a 1
[r2-ospf-1-area-0.0.0.1]stub 
 
[r3]ospf 1
[r3-ospf-1]a 1
[r3-ospf-1-area-0.0.0.1]stub no-summary

Area 2

cpp 复制代码

[r6]ospf 1
[r6-ospf-1]a 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary

[r11]ospf 1
[r11-ospf-1]a 2
[r11-ospf-1-area-0.0.0.2]nssa

[r12]ospf 1
[r12-ospf-1]a 2
[r12-ospf-1-area-0.0.0.2]nssa

Area 3

cpp 复制代码

[r7]ospf 1
[r7-ospf-1]a 3
[r7-ospf-1-area-0.0.0.3]nssa  no-summary

[r8]ospf 1
[r8-ospf-1]a 3
[r8-ospf-1-area-0.0.0.3]nssa 

[r9]ospf 1
[r9-ospf-1]a 3
[r9-ospf-1-area-0.0.0.3]nssa

在R9上下放缺省

$r9$ ospf 2

$r9-ospf-2$ default-route-advertise

$r9-ospf-2$ undo import-route ospf 1

在R4上下放缺省

$r4$ ospf 1

$r4-ospf-1$ default-route-advertise

修改network-type类型

cpp 复制代码

[r3]int g0/0/0    
[r3-GigabitEthernet0/0/0]ospf network-type p2mp
[r1]int g0/0/0    
[r1-GigabitEthernet0/0/0]ospf network-type p2mp
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ospf network-type p2mp
 

[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]ospf network-type p2p
[r4]int g0/0/1
[r4-GigabitEthernet0/0/1]ospf network-type p2p
 

[r4]int g0/0/2
[r4-GigabitEthernet0/0/2]ospf network-type p2p
[r6]int g0/0/1
[r6-GigabitEthernet0/0/1]ospf network-type p2p
 

[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ospf network-type p2p
[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ospf network-type p2p
 

[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ospf network-type p2p
[r11]int g0/0/0
[r11-GigabitEthernet0/0/0]ospf network-type p2p
 

[r11-GigabitEthernet0/0/0]int g0/0/1
[r11-GigabitEthernet0/0/1]ospf network-type p2p
[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ospf network-type p2p
 
 
[r7]int g0/0/1
[r7-GigabitEthernet0/0/1]ospf network-type p2p
[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ospf network-type p2p
 

[r8-GigabitEthernet0/0/0]int g0/0/1
[r8-GigabitEthernet0/0/1]ospf network-type p2p
[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ospf network-type p2p
 
 
[r9]int g0/0/1
[r9-GigabitEthernet0/0/1]ospf network-type p2p
[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ospf network-type p2p

修改hello时间

cpp 复制代码

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ospf timer hello 10
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ospf timer hello 10
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ospf timer hello 10

配置OSPF认证

cpp 复制代码

[r4]ospf 1
[r4-ospf-1]a 0
[r4-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher  123456

[r3]ospf 1
[r3-ospf-1]a 0
[r3-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher  123456

[r6]ospf 1
[r6-ospf-1]a 0
[r6-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher  123456

[r7]ospf 1
[r7-ospf-1]a 0
[r7-ospf-1-area-0.0.0.0]authentication-mode md5 1 cipher  123456

配置NAT

cpp 复制代码

[r4]acl 2000
[r4-acl-basic-2000]rule permit  source  172.16.0.0   0.0.255.255
[r4]int s4/0/1    
[r4-Serial4/0/1]nat outbound 2000

测试

在r10上进行ping测试。