MGRE实验报告二

实验要求：

实验预览图：

实验分析：

1、对R1-R5配置IP地址，同时R1-R5每个路由器各有一个环回

2.1、对R1、R3、R4路由器开启虚拟接口1，分别配置隧道IP、接口封装协议，接口类型、定义封装源、开启伪广播功能，之后对分别对隧道接口、环回进行宣告。

2.2、对R1、R5、R6路由器开启虚拟接口2，以R1为hub路由器，R5、R6为spoke路由器，接着对R1配置隧道IP、接口封装协议、封装源以及开启伪广播功能，对R5、R6配置隧道IP，接口封装协议、封装源、分支向节点注册，最后对隧道IP以及环回进行宣告。

实验过程：

配置IP：

R1：

r1interface GigabitEthernet 0/0/0

r1-GigabitEthernet0/0/0ip address 11.0.0.1 24

r1interface GigabitEthernet 0/0/1

r1-GigabitEthernet0/0/1ip address 10.0.0.1 24

r1interface LoopBack 0

r1-LoopBack0ip address 1.1.1.1 24
r1ip route-static 0.0.0.0 0 10.0.0.2

r1ip route-static 0.0.0.0 0 11.0.0.2

检查配置：

r1display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 11.0.0.1/24 up up

GigabitEthernet0/0/1 10.0.0.1/24 up up

GigabitEthernet0/0/2 unassigned down down

LoopBack0 1.1.1.1/24 up up(s)

NULL0 unassigned up up(s)

R2：

r2interface GigabitEthernet 0/0/0

r2-GigabitEthernet0/0/0ip address 11.0.0.2 24

r2interface GigabitEthernet 0/0/1

r2-GigabitEthernet0/0/1ip address 10.0.0.2 24

r2interface GigabitEthernet 0/0/2

r2-GigabitEthernet0/0/2ip address 12.0.0.2 24

r2interface GigabitEthernet 2/0/0

r2-GigabitEthernet2/0/0ip address 13.0.0.2 24

r2interface GigabitEthernet 3/0/0

r2-GigabitEthernet3/0/0ip address 15.0.0.2 24

r2interface GigabitEthernet 4/0/0

r2-GigabitEthernet4/0/0ip address 14.0.0.2 24

检查配置：

r2display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 11.0.0.2/24 up up

GigabitEthernet0/0/1 10.0.0.2/24 up up

GigabitEthernet0/0/2 12.0.0.2/24 up up

GigabitEthernet2/0/0 13.0.0.2/24 up up

GigabitEthernet3/0/0 15.0.0.2/24 up up

GigabitEthernet4/0/0 14.0.0.2/24 up up

NULL0 unassigned up up(s)

R3:

r3interface GigabitEthernet 0/0/0

r3-GigabitEthernet0/0/0ip address 15.0.0.1 24

r3interface LoopBack 0

r3-LoopBack0ip address 5.5.5.5 24
r3ip route-static 0.0.0.0 0 15.0.0.2

检查配置：

r3display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 15.0.0.1/24 up up

GigabitEthernet0/0/1 unassigned down down

GigabitEthernet0/0/2 unassigned down down

LoopBack0 5.5.5.5/24 up up(s)

NULL0 unassigned up up(s)

R4：

r4interface GigabitEthernet 0/0/0

r4-GigabitEthernet0/0/0ip address 14.0.0.1 24

r4interface LoopBack 0

r4-LoopBack0ip address 4.4.4.4 24
r4ip route-static 0.0.0.0 0 14.0.0.2

检查配置:

r4display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 14.0.0.1/24 up up

GigabitEthernet0/0/1 unassigned down down

GigabitEthernet0/0/2 unassigned down down

LoopBack0 4.4.4.4/24 up up(s)

NULL0 unassigned up up(s)

R5：

r5interface GigabitEthernet 0/0/0

r5-GigabitEthernet0/0/0ip address 13.0.0.1 24

r5interface LoopBack 0

r5-LoopBack0ip address 3.3.3.3 24
r5ip route-static 0.0.0.0 0 13.0.0.2

检查配置：

r5display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 13.0.0.1/24 up up

GigabitEthernet0/0/1 unassigned down down

GigabitEthernet0/0/2 unassigned down down

LoopBack0 3.3.3.3/24 up up(s)

NULL0 unassigned up up(s)

R6：

r6interface GigabitEthernet 0/0/0

r6-GigabitEthernet0/0/0ip address 12.0.0.1 24

r6interface LoopBack 0

r6-LoopBack0ip address 2.2.2.2 24
r6ip route-static 0.0.0.0 0 12.0.0.2

检查配置：

r6display ip interface brief

Interface IP Address/Mask Physical Protocol

GigabitEthernet0/0/0 12.0.0.1/24 up up

GigabitEthernet0/0/1 unassigned down down

GigabitEthernet0/0/2 unassigned down down

LoopBack0 2.2.2.2/24 up up(s)

NULL0 unassigned up up(s)

R1、R3、R4为全连的MGRE结构：

MGRE：

R1：

r1interface Tunnel 0/0/0

r1-Tunnel0/0/0ip address 192.168.1.1 24

r1-Tunnel0/0/0tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r1-Tunnel0/0/0source 10.0.0.1 ---定义封装源

r1-Tunnel0/0/0nhrp network-id 1
r1-Tunnel0/0/0nhrp entry multicast dynamic ------开启伪广播功能

r1-Tunnel0/0/0ospf network-type broadcast ------修改接口类型为broadcast

r1-Tunnel0/0/0nhrp entry 192.168.1.2 14.0.0.1 register ------向节点注册

r1-Tunnel0/0/0nhrp entry 192.168.1.3 15.0.0.1 register------向节点注册

R3：

r3interface Tunnel 0/0/0

r3-Tunnel0/0/0ip address 192.168.1.3 24

r3-Tunnel0/0/0tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r3-Tunnel0/0/0source 15.0.0.1 ---定义封装源

r3-Tunnel0/0/0nhrp network-id 1
r3-Tunnel0/0/0nhrp entry multicast dynamic ------开启伪广播功能

r3-Tunnel0/0/0ospf network-type broadcast ------修改接口类型为broadcast

R4：

r4interface Tunnel 0/0/0

r4-Tunnel0/0/0ip address 192.168.1.2 24

r4-Tunnel0/0/0tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r4-Tunnel0/0/0source 14.0.0.1 ---定义封装源

r4-Tunnel0/0/0nhrp network-id 1
r4-Tunnel0/0/0nhrp entry multicast dynamic ------开启伪广播功能

r4-Tunnel0/0/0ospf network-type broadcast ------修改接口类型为broadcast

r4-Tunnel0/0/0nhrp entry 192.168.1.3 15.0.0.1 register------向节点注册

OSPF：

R1：

r1ospf 1 router-id 1.1.1.1

r1-ospf-1area 0

r1-ospf-1-area-0.0.0.0network 192.168.1.1 0.0.0.0

r1-ospf-1-area-0.0.0.0network 1.1.1.1 0.0.0.0

R3：

r3ospf 1 router-id 5.5.5.5

r3-ospf-1area 0

r3-ospf-1-area-0.0.0.0network 192.168.1.3 0.0.0.0

r3-ospf-1-area-0.0.0.0network 5.5.5.5 0.0.0.0

R4：

r4ospf 1 router-id 4.4.4.4

r4-ospf-1area 0

r4-ospf-1-area-0.0.0.0network 192.168.1.2 0.0.0.0

r4-ospf-1-area-0.0.0.0network 4.4.4.4 0.0.0.0

R1、R5、R6建立hub-spoke的MGRE环境：

MGRE:

R1：

r1interface Tunnel 0/0/1

r1-Tunnel0/0/1ip address 192.168.2.1 24

r1-Tunnel0/0/1tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r1-Tunnel0/0/1source 11.0.0.1 ---定义封装源

r1-Tunnel0/0/1nhrp network-id 2
r1-Tunnel0/0/1nhrp entry multicast dynamic ------开启伪广播功能

r1-Tunnel0/0/1ospf network-type p2mp------修改接口类型为p2mp

R5：

r5interface Tunnel 0/0/1

r5-Tunnel0/0/1ip address 192.168.2.3 24

r5-Tunnel0/0/1tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r5-Tunnel0/0/1source GigabitEthernet 0/0/0 ---定义封装源

r5-Tunnel0/0/1nhrp network-id 2

r5-Tunnel0/0/1nhrp entry 192.168.2.1 11.0.0.1 register ---分支向中心节点注册
r5-Tunnel0/0/1ospf network-type p2mp------修改接口类型为p2mp

R6：

r6interface Tunnel 0/0/1

r6-Tunnel0/0/1ip address 192.168.2.2 24

r6-Tunnel0/0/1tunnel-protocol gre p2mp ---修改接口封装协议为多点GRE

r6-Tunnel0/0/1source GigabitEthernet 0/0/0 ---定义封装源

r6-Tunnel0/0/1nhrp network-id 2

r6-Tunnel0/0/1nhrp entry 192.168.2.1 11.0.0.1 register ---分支向中心节点注册
r6-Tunnel0/0/1ospf network-type p2mp------修改接口类型为p2mp

OSPF：

R1：

r1ospf 1 router-id 1.1.1.1

r1-ospf-1area 0

r1-ospf-1-area-0.0.0.0network 192.168.2.1 0.0.0.0

R5：

r5ospf 1 router-id 3.3.3.3

r5-ospf-1area 0

r5-ospf-1-area-0.0.0.0network 192.168.2.3 0.0.0.0

r5-ospf-1-area-0.0.0.0network 3.3.3.3 0.0.0.0

R6：

r6ospf 1 router-id 2.2.2.2

r6-ospf-1area 0

r6-ospf-1-area-0.0.0.0network 192.168.2.2 0.0.0.0

r6-ospf-1-area-0.0.0.0network 2.2.2.2 0.0.0.0

实验结果:

全网可达：

R1:

R3:

R4:

R5:

R6: