实验报告册

实验拓扑图：

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；

IP地址划分：

R1
LoopBack0：172.16.34.1/32
GigabitEthernet0/0/0：172.16.33.1/24
R2
LoopBack0：172.16.35.2/32
GigabitEthernet0/0/0：172.16.33.2/24
R3
LoopBack0：172.16.36.3/32
GigabitEthernet0/0/0：172.16.33.3/24
Serial4/0/0：34.0.0.3/24
Tunnel0/0/1：172.16.6.1/24
R4
LoopBack0：172.16.2.4/32
Serial4/0/0：34.0.0.4/24
Serial4/0/1：45.0.0.4/24
Serial3/0/0：46.0.0.4/24
GigabitEthernet0/0/0：47.0.0.4/24
R5
LoopBack0：172.16.3.5/32
Serial4/0/0：45.0.0.5/24
Tunnel0/0/1：172.16.6.5/24
R6
LoopBack0：172.16.4.6/32
Serial3/0/0：46.0.0.6/24
GigabitEthernet0/0/0：172.16.65.1/30
Tunnel0/0/1：172.16.6.6/24
R7
LoopBack0：172.16.5.7/32
GigabitEthernet0/0/0：47.0.0.7/24
GigabitEthernet0/0/1：172.16.97.1/30
Tunnel0/0/1：172.16.6.7/24
R8
LoopBack0：172.16.98.8/32
GigabitEthernet0/0/0：172.16.97.2/30
GigabitEthernet0/0/1：172.16.97.5/30
R9
LoopBack0：172.16.130.9/32
GigabitEthernet0/0/0：172.16.97.6/30
GigabitEthernet0/0/1：172.16.129.1/30
R10
LoopBack0：172.16.131.10/32
GigabitEthernet0/0/0：172.16.129.2/30
R11
LoopBack0：172.16.66.11/32
GigabitEthernet0/0/0：172.16.65.2/30
GigabitEthernet0/0/1：172.16.65.5/30
R12
LoopBack0：172.16.10.1/32
LoopBack1：172.16.10.2/32
GigabitEthernet0/0/0：172.16.65.6/30
整体规划网段
Area 0：172.16.0.0/19
Area 1：172.16.32.0/19
Area 2：172.16.64.0/19
Area 3：172.16.96.0/19
Area 4：172.16.128.0/19
MGRE 隧道段：172.16.6.0/24
公网段：34.0.0.0/24、45.0.0.0/24、46.0.0.0/24、47.0.0.0/24

进行实验配置：

R3：

配置物理接口+环回接口IP

[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 34.0.0.1 255.255.255.0
[R3-GigabitEthernet0/0/0]int g0/0/1
[R3-GigabitEthernet0/0/1]ip add 172.16.3.3 255.255.255.0
[R3-GigabitEthernet0/0/1]int loopback
[R3-LoopBack0]ip add 172.16.2.3 255.255.255.255

配置MGRE中心隧道接口

[R3-LoopBack0]interface Tunnel0/0/0
[R3-Tunnel0/0/0] tunnel-protocol gre
[R3-Tunnel0/0/0]ip address 172.16.1.1 255.255.255.0
[R3-Tunnel0/0/0]source 34.0.0.1
[R3-Tunnel0/0/0]ospf network-type broadcast
配置静态缺省路由

[R3-Tunnel0/0/0]ip route-static 0.0.0.0 0.0.0.0 34.0.0.4

配置OSPF多区域 ，实现内网路由互通

[R3]ospf 1 router-id 172.16.2.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.0.3
[R3-ospf-1-area-0.0.0.0] network 172.16.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0] network 172.16.2.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0] network 172.16.3.0 0.0.0.255

R4

配置所有接口IP

[R4]interface Serial 4/0/0
[R4-Serial4/0/0] link-protocol ppp
[R4-Serial4/0/0]ip address 34.0.0.4 255.255.255.0
[R4-Serial4/0/0]quit
[R4]interface Serial 4/0/1
[R4-Serial4/0/1] link-protocol ppp
[R4-Serial4/0/1] ip address 45.0.0.4 255.255.255.0
[R4-Serial4/0/1]quit
[R4]interface Serial 3/0/0
[R4-Serial3/0/0]link-protocol ppp
[R4-Serial3/0/0]ip address 46.0.0.4 255.255.255.0
[R4-Serial3/0/0]quit
[R4]interface GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]ip address 47.0.0.4 255.255.255.0
[R4-GigabitEthernet0/0/0]quit
[R4]interface LoopBack 0
[R4-LoopBack0]ip address 172.16.2.4 255.255.255.255
[R4-LoopBack0]quit

R1

配置接口+环回接口IP

[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 172.16.33.1 255.255.255.0
[R1-GigabitEthernet0/0/0]quit
[R1]interface LoopBack 0
[R1-LoopBack0]ip address 172.16.34.1 255.255.255.255
[R1-LoopBack0]quit

配置OSPF

[R1]ospf 1 router-id 172.16.34.1
[R1-ospf-1]area 1
[R1-ospf-1-area-0.0.0.1]network 172.16.33.0 0.0.0.255
[R1-ospf-1-area-0.0.0.1]network 172.16.34.1 0.0.0.0
[R1-ospf-1-area-0.0.0.1]q
[R1-ospf-1]q
R2

配置接口+环回IP

[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 172.16.33.2 255.255.255.0
[R2-GigabitEthernet0/0/0]q
[R2]interface LoopBack 0
[R2-LoopBack0]ip address 172.16.35.2 255.255.255.255
[R2-LoopBack0]q

配置OSPF

[R2]ospf 1 router-id 172.16.35.2
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]network 172.16.33.0 0.0.0.255
[R2-ospf-1-area-0.0.0.1]network 172.16.35.2 0.0.0.0
[R2-ospf-1-area-0.0.0.1]q

R5

配置环回，串口IP

[R5]interface Serial 4/0/0
[R5-Serial4/0/0]link-protocol ppp
[R5-Serial4/0/0]ip address 45.0.0.5 255.255.255.0
[R5-Serial4/0/0]q
[R5]interface LoopBack 0
[R5-LoopBack0]ip address 172.16.3.5 255.255.255.255
[R5-LoopBack0]q

MGRE分支隧道，对接中心R3

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]tunnel-protocol gre
[R5-Tunnel0/0/1]ip address 172.16.6.5 255.255.255.0
[R5-Tunnel0/0/1]source Serial 4/0/0
[R5-Tunnel0/0/1]ospf network-type broadcast
[R5-Tunnel0/0/1]ospf dr-priority 0
[R5-Tunnel0/0/1]q

访问公网与R4环回，配置Area0 OSPF

[R5]ip route-static 0.0.0.0 0.0.0.0 45.0.0.4
[R5]ospf 1 router-id 172.16.3.5
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 172.16.3.5 0.0.0.0
[R5-ospf-1-area-0.0.0.0]q

R6

配置串口、内网接口、环回IP

[R6]interface Serial 4/0/0
[R6-Serial4/0/0]link-protocol ppp
[R6-Serial4/0/0]ip address 46.0.0.6 255.255.255.0
[R6-Serial4/0/0]q
[R6]interface GigabitEthernet 0/0/0
[R6-GigabitEthernet0/0/0]ip address 172.16.65.1 255.255.255.252
[R6-GigabitEthernet0/0/0]q
[R6]interface LoopBack 0
[R6-LoopBack0]ip address 172.16.4.6 255.255.255.255
[R6-LoopBack0]q

MGRE分支隧道配置

[R6]interface Tunnel 0/0/1
[R6-Tunnel0/0/1]tunnel-protocol gre
[R6-Tunnel0/0/1]ip address 172.16.6.6 255.255.255.0
[R6-Tunnel0/0/1]source Serial 4/0/0
[R6-Tunnel0/0/1]ospf network-type broadcast
[R6-Tunnel0/0/1]ospf dr-priority 0
[R6-Tunnel0/0/1]q
默认路由访问ISP公网

[R6]ip route-static 0.0.0.0 0.0.0.0 46.0.0.4
[R6]ospf 1 router-id 172.16.4.6
[R6-ospf-1]area 0
[R6-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]network 172.16.4.6 0.0.0.0
[R6-ospf-1-area-0.0.0.0]q
[R6-ospf-1]

R7

配置内网接口、环回IP

[R7]interface GigabitEthernet 0/0/0
[R7-GigabitEthernet0/0/0]ip address 47.0.0.7 255.255.255.0
[R7-GigabitEthernet0/0/0]q
[R7]interface GigabitEthernet 0/0/1
[R7-GigabitEthernet0/0/1]ip address 172.16.97.1 255.255.255.252
[R7-GigabitEthernet0/0/1]q
[R7]interface LoopBack 0
[R7-LoopBack0]ip address 172.16.5.7 255.255.255.255
[R7-LoopBack0]q

MGRE分支隧道配置

[R7]interface Tunnel 0/0/1
[R7-Tunnel0/0/1]tunnel-protocol gre
[R7-Tunnel0/0/1]ip address 172.16.6.7 255.255.255.0
[R7-Tunnel0/0/1]source GigabitEthernet 0/0/0
[R7-Tunnel0/0/1]ospf network-type broadcast
[R7-Tunnel0/0/1]ospf dr-priority 0
[R7-Tunnel0/0/1]q

默认路由指向ISP，配置Area0 OSPF

[R7]ip route-static 0.0.0.0 0.0.0.0 47.0.0.4
[R7]ospf 1 router-id 172.16.5.7
[R7-ospf-1]area 0
[R7-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255
[R7-ospf-1-area-0.0.0.0]network 172.16.5.7 0.0.0.0
[R7-ospf-1-area-0.0.0.0]q
[R7-ospf-1]

R8

两个内网接口+环回IP

[R8]interface GigabitEthernet 0/0/0
[R8-GigabitEthernet0/0/0]ip address 172.16.97.2 255.255.255.252
[R8-GigabitEthernet0/0/0]quit
[R8]interface GigabitEthernet 0/0/1
[R8-GigabitEthernet0/0/1]ip address 172.16.97.5 255.255.255.252
[R8-GigabitEthernet0/0/1]q
[R8]interface LoopBack 0
[R8-LoopBack0]ip address 172.16.98.8 255.255.255.255
[R8-LoopBack0]q

配置Area3 OSPF

[R8]ospf 1 router-id 172.16.98.8
[R8-ospf-1]area 3
[R8-ospf-1-area-0.0.0.3]stub
[R8-ospf-1-area-0.0.0.3]
[R8-ospf-1-area-0.0.0.3]
[R8-ospf-1-area-0.0.0.3]network 172.16.97.0 0.0.0.3
[R8-ospf-1-area-0.0.0.3]network 172.16.97.4 0.0.0.3
[R8-ospf-1-area-0.0.0.3]network 172.16.98.8 0.0.0.0
[R8-ospf-1-area-0.0.0.3]q

R9

两个内网接口+环回IP

[R9]interface GigabitEthernet 0/0/0
[R9-GigabitEthernet0/0/0]ip address 172.16.97.6 255.255.255.252
[R9-GigabitEthernet0/0/0]q
[R9]interface GigabitEthernet 0/0/1
[R9-GigabitEthernet0/0/1]ip address 172.16.129.1 255.255.255.252
[R9-GigabitEthernet0/0/1]q
[R9]interface LoopBack 0
[R9-LoopBack0]ip address 172.16.130.9 255.255.255.255
[R9-LoopBack0]q

配置Area4 OSPF

[R9]ospf 1 router-id 172.16.130.9
[R9-ospf-1]area 4
[R9-ospf-1-area-0.0.0.4]stub
[R9-ospf-1-area-0.0.0.4]network 172.16.97.4 0.0.0.3
[R9-ospf-1-area-0.0.0.4]network 172.16.129.0 0.0.0.3
[R9-ospf-1-area-0.0.0.4]network 172.16.130.9 0.0.0.0
[R9-ospf-1-area-0.0.0.4]q
[R9-ospf-1]

R10

内网接口+环回IP

[R10]interface GigabitEthernet 0/0/0
[R10-GigabitEthernet0/0/0]ip address 172.16.129.2 255.255.255.252
[R10-GigabitEthernet0/0/0]Q
[R10]interface LoopBack 0
[R10-LoopBack0]ip address 172.16.131.10 255.255.255.255
[R10-LoopBack0]Q

配置Area4 OSPF

[R10]ospf 1 router-id 172.16.131.10
[R10-ospf-1]area 4
[R10-ospf-1-area-0.0.0.4]stub
[R10-ospf-1-area-0.0.0.4]network 172.16.129.0 0.0.0.3
[R10-ospf-1-area-0.0.0.4]network 172.16.131.10 0.0.0.0
[R10-ospf-1-area-0.0.0.4]Q
[R10-ospf-1]

R11

配置内网接口、环回IP

[R11]interface GigabitEthernet 0/0/0
[R11-GigabitEthernet0/0/0]ip address 172.16.65.2 255.255.255.252
[R11-GigabitEthernet0/0/0]q
[R11]interface GigabitEthernet 0/0/1
[R11-GigabitEthernet0/0/1]ip address 172.16.65.5 255.255.255.252
[R11-GigabitEthernet0/0/1]q
[R11]interface LoopBack 0
[R11-LoopBack0]ip address 172.16.66.11 255.255.255.255
[R11-LoopBack0]quit

配置Area2 OSPF

[R11]ospf 1 router-id 172.16.66.11
[R11-ospf-1]area 2
[R11-ospf-1-area-0.0.0.2]network 172.16.65.0 0.0.0.3
[R11-ospf-1-area-0.0.0.2]network 172.16.65.4 0.0.0.3
[R11-ospf-1-area-0.0.0.2]network 172.16.66.11 0.0.0.0
[R11-ospf-1-area-0.0.0.2]q
[R11-ospf-1]

R12

内网接口+两个环回接口IP

[R12]interface GigabitEthernet 0/0/0
[R12-GigabitEthernet0/0/0]ip address 172.16.65.6 255.255.255.252
[R12-GigabitEthernet0/0/0]q
[R12]interface LoopBack 0
[R12-LoopBack0]ip address 172.16.10.1 255.255.255.255
[R12-LoopBack0]q
[R12]interface LoopBack 1
[R12-LoopBack1]ip address 172.16.10.2 255.255.255.255
[R12-LoopBack1]q
[R12-ospf-1]ospf 1
[R12-ospf-1]import-route rip 1
[R12-ospf-1]q
[R12]rip 1
[R12-rip-1]import-route ospf 1
[R12-rip-1]
[R12-rip-1]q
配置RIP，宣告本地两个环回网段

[R12]rip 1
[R12-rip-1]version 2
[R12-rip-1]network 172.16.0.0
[R12-rip-1]q

OSPF 区域配置

[R12]ospf 1 router-id 172.16.10.1
[R12-ospf-1]area 2
[R12-ospf-1-area-0.0.0.2]network 172.16.65.4 0.0.0.3
[R12-ospf-1-area-0.0.0.2]q

双向路由重分发，RIP和OSPF互相学习路由

[R12-ospf-1]ospf 1
[R12-ospf-1]import-route rip 1
[R12-ospf-1]q
[R12]rip 1
[R12-rip-1]import-route ospf 1
[R12-rip-1]
[R12-rip-1]q

全网通测试：

R6访问R1环回:

OSPF全模块内容思维导图：