ospf综合实验

任务：

1，R5为ISP，其上只能配置IP地址；R4作为企业边界路由器，
出口公网地址需要通过PPP协议获取，并进行chap认证
2，整个OSPF环境IP基于172.16.0.0/16划分；
3，所有设备均可访问R5的环回；
4，减少LSA的更新量，加快收敛，保障更新安全；
5，全网可达

地址规划如图：

配置IP地址：

R1：

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 172.16.33.1 29
[r1]interface LoopBack 0
[r1-LoopBack0]ip add 172.16.34.1 24

R2：

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 172.16.33.2 29
[r2]interface LoopBack 0
[r2-LoopBack0]ip add 172.16.35.1 24

R3:

[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 172.16.33.3 29
[r3]interface LoopBack 0
[r3-LoopBack0]ip add 172.16.36.1 24

R4:

[r4]int g0/0/1
[r4-GigabitEthernet0/0/1]ip add 172.16.0.2 30
[r4-GigabitEthernet0/0/1]int g0/0/2
[r4-GigabitEthernet0/0/2]ip add 172.168.0.5 30
[r4-GigabitEthernet0/0/2]int g0/0/0
[r4-GigabitEthernet0/0/0]ip add 172.16.0.9 30

ISP:

[isp]interface s4/0/0
[isp-Serial4/0/0]ip add 45.0.0.1 24
[isp]interface LoopBack 0
[isp-LoopBack0]IP ADD 5.5.5.5 32

R6:

[r6]int g0/0/1
[r6-GigabitEthernet0/0/1]ip add 172.16.0.6 30
[r6]interface LoopBack 0
[r6-LoopBack0]ip add 172.16.2.1 24

R7:

[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ip add 172.16.0.10 30
[r7]int g0/0/1
[r7-GigabitEthernet0/0/1]ip add 172.16.96.1 30
[r7]interface LoopBack 0
[r7-LoopBack0]ip add 172.16.3.1 24

R8:

[r8]interface g0/0/0
[r8-GigabitEthernet0/0/0]ip add 172.16.96.2 30
[r8-GigabitEthernet0/0/0]int g0/0/1
[r8-GigabitEthernet0/0/1]ip add 172.16.96.5 30
[r8]int LoopBack 0
[r8-LoopBack0]ip add 172.16.98.1 24

R9:

[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ip add 172.16.96.6 30
[r9-GigabitEthernet0/0/0]int g0/0/1
[r9-GigabitEthernet0/0/1]ip add 172.16.128.1 30
[r9]interface LoopBack 0
[r9-LoopBack0]ip add 172.16.130.1 24

R10:

[r10]interface g0/0/0
[r10-GigabitEthernet0/0/0]ip add 172.16.128.2 30
[r10]interface LoopBack 0
[r10-LoopBack0]ip add 172.16.131.1 24

R11:

[r11]int g0/0/0
[r11-GigabitEthernet0/0/0]ip add 172.16.64.2 30
[r11-GigabitEthernet0/0/0]int g0/0/1
[r11-GigabitEthernet0/0/1]ip add 172.16.64.5 30
[r11]interface LoopBack 0
[r11-LoopBack0]ip add 172.16.66.1 24

R12:

[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ip add 172.16.64.6 30
[r12]interface LoopBack 0
[r12-LoopBack0]ip add 172.16.162.1 24
[r12]interface LoopBack 1
[r12-LoopBack1]ip add 172.16.163.1 24

在ISP上配置认证协议：

[isp]aaa
[isp-aaa]local-user huawei password cipher 123456
[isp-aaa]local-user huawei service-type ppp
[isp]int s4/0/0
[isp-Serial4/0/0]link-protocol ppp
[isp-Serial4/0/0]ppp authentication-mode chap 
[isp-Serial4/0/0]remote address 45.0.0.2

在R4上配置认证协议：

[r4]interface s4/0/1
[r4-Serial4/0/1]ppp chap user huawei
[r4-Serial4/0/1]ppp chap password cipher 123456
[r4-Serial4/0/1]ip address ppp-negotiate 

地址获取成功：

配置ospf协议

在R1上：

[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.31.255

在R2上：

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.31.255

在R3的area1上：

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]network 172.16.33.3 0.0.0.0

在R3的area0上：

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.31.255

在R4上：

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 0
[r4-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.31.255

在R6的area2上：

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]network 172.16.64.1 0.0.0.0

在R6的area0上：

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.31.255

 在R7的area0上：

[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.31.255

  在R7的area3上：

[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]network 172.16.96.0 0.0.31.255

在R8上：

[r8]ospf 1 router-id 8.8.8.8
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]network 172.16.96.0 0.0.31.255

 在R9的area3上：

[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]network 172.16.96.0 0.0.31.255

 在R9的area4上：利用重发布解决不规则问题

[r9]ospf 2 router-id 9.9.9.9
[r9-ospf-2]area 0
[r9-ospf-2-area-0.0.0.0]network 172.16.128.0 0.0.31.255

在R10上：

[r10]ospf 1 router-id 10.10.10.10
[r10-ospf-1]area 0
[r10-ospf-1-area-0.0.0.0]network 172.16.128.0 0.0.31.255

在R11上：

[r11]ospf 1 router-id 11.11.11.11
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]network 172.16.64.0 0.0.31.255

在R12上：

[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]network 172.16.64.6 0.0.0.0

配置rip

[r12]rip
[r12-rip-1]version 2
[r12-rip-1]network 172.16.0.0

在R12的ospf 1上引入rip

[r12]ospf 1
[r12-ospf-1]import-route rip

在R9的ospf 1上引入ospf 2

[r9]ospf 1
[r9-ospf-1]import-route ospf 2

在ABR上配置路由汇总：

R3:

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0

R6:

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

R7:

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

在ASBR上配置路由汇总：

R9：

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

R12:

[r12]ospf 1
[r12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0 

配置特殊区域

将R1配置为stub

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

将R2配置为stub

[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]stub

将R3配置为stub no-summary

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

将R6配置为nssa no-summary

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

将R11配置为nssa no-summary

[r11]ospf 1
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]nssa no-summary

将R12配置为nssa no-summary

[r12]ospf 1
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]nssa no-summary

将R7配置为nssa no-summary

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

将R8配置为nssa

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

将R8配置为nssa

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

R9下发缺省到ospf 2

[r9]ospf 2
[r9-ospf-2]default-route-advertise 

修改网络类型

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

[r4]int g0/0/01
[r4-GigabitEthernet0/0/1]ospf network-type p2p
[r4-GigabitEthernet0/0/1]INT G0/0/02
[r4-GigabitEthernet0/0/2]OSPF network-type p2p

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

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

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

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

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

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

[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ospf network-type p2p

修改计时器

[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]ospf timer hello 2

[r4-GigabitEthernet0/0/2]int g0/0/1
[r4-GigabitEthernet0/0/1]ospf timer hello 2
[r4-GigabitEthernet0/0/1]int g0/0/2
[r4-GigabitEthernet0/0/2]ospf timer hello 2

[r6]int g0/0/0
[r6-GigabitEthernet0/0/0]ospf timer hello 2
[r6]int g0/0/1
[r6-GigabitEthernet0/0/1]ospf timer hello 2

[r7]int g0/0/0
[r7-GigabitEthernet0/0/0]ospf timer hello 2
[r7]int g0/0/1
[r7-GigabitEthernet0/0/1]ospf timer hello 2

[r8]int g0/0/0
[r8-GigabitEthernet0/0/0]ospf timer hello 2
[r8]int g0/0/1
[r8-GigabitEthernet0/0/1]ospf timer hello 2

[r9]int g0/0/0
[r9-GigabitEthernet0/0/0]ospf timer hello 2
[r9]int g0/0/1
[r9-GigabitEthernet0/0/1]ospf timer hello 2

[r10]int g0/0/0
[r10-GigabitEthernet0/0/0]ospf timer hello 2

[r11]int g0/0/0
[r11-GigabitEthernet0/0/0]ospf timer hello 2
[r11]int g0/0/1
[r11-GigabitEthernet0/0/1]ospf timer hello 2

[r12]int g0/0/0
[r12-GigabitEthernet0/0/0]ospf timer hello 2

区域认证

[r3-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456

[r4-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456
[r4-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456
[r4-GigabitEthernet0/0/2]ospf authentication-mode md5 1 cipher 123456

R4下发缺省指向ISP

[r4]ip route-static 0.0.0.0 45.0.0.1
[r4]ospf 1 
[r4-ospf-1]default-route-advertise 

在R4上做NAT

[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