MGRE环境下的ospf实验
一.拓扑图
二.实验步骤
1.分配各路由网段IP
[R1]int g 0/0/0
[R1-GigabitEthernet0/0/0]ip address 16.0.0.1 24
[R1-GigabitEthernet0/0/0]int g 0/0/1
[R1-GigabitEthernet0/0/1]ip address 116.0.0.1 24
[R2]int g 0/0/0
[R2-GigabitEthernet0/0/0]ip address 26.0.0.1 24
[R3]int g 0/0/0
[R3-GigabitEthernet0/0/0]ip address 36.0.0.1 24
[R4]int g 0/0/0
[R4-GigabitEthernet0/0/0]ip address 46.0.0.1 24
[R5]int g 0/0/0
[R5-GigabitEthernet0/0/0]ip address 56.0.0.1 24
[R6]int g 0/0/0
[R6-GigabitEthernet0/0/0]ip address 16.0.0.2 24
[R6-GigabitEthernet0/0/1]ip address 116.0.0.2 24
[R6-GigabitEthernet0/0/2]ip address 56.0.0.2 24
[R6-GigabitEthernet2/0/0]ip address 26.0.0.2 24
[R6-GigabitEthernet3/0/0]ip address 36.0.0.2 24
[R6-GigabitEthernet4/0/0]ip address 46.0.0.2 24
2.R1 R4 R5为全连的MGRE结构，R1 R2 R3为星型拓扑结构。编写缺省路由
缺省路由
[R1]ip route-static 0.0.0.0 0 16.0.0.2
[R1]ip route-static 0.0.0.0 0 116.0.0.2
[R2]ip route-static 0.0.0.0 0 26.0.0.2
[R3]ip route-static 0.0.0.0 0 36.0.0.2
[R4]ip route-static 0.0.0.0 0 46.0.0.2
[R5]ip route-static 0.0.0.0 0 56.0.0.2
星型拓扑
[R1]int t 0/0/1
[R1-Tunnel0/0/1]ip add 192.168.7.1 24
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp
[R1-Tunnel0/0/1]source 116.0.0.1
[R1-Tunnel0/0/1]nhrp network-id 110
[R1-Tunnel0/0/1]nhrp entry multicast dynamic
[R2]int t 0/0/0
[R2-Tunnel0/0/0]ip add 192.168.7.2 24
[R2-Tunnel0/0/0]tunnel-protocol gre p2mp
[R2-Tunnel0/0/0]source GigabitEthernet 0/0/0
[R2-Tunnel0/0/0]nhrp network-id 110
[R2-Tunnel0/0/0]nhrp entry 192.168.7.1 116.0.0.1 register
[R3]int t 0/0/0
[R3-Tunnel0/0/0]ip add 192.168.7.3 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp
[R3-Tunnel0/0/0]source GigabitEthernet 0/0/0
[R3-Tunnel0/0/0]nhrp network-id 110
[R3-Tunnel0/0/0]nhrp entry 192.168.7.1 116.0.0.1 register
3.搭建MGRE环境
[R1]int t 0/0/0
[R1-Tunnel0/0/0]ip add 192.168.6.1 24
[R1-Tunnel0/0/0]tunnel-protocol gre p2mp
[R1-Tunnel0/0/0]source 16.0.0.1
[R1-Tunnel0/0/0]nhrp network-id 100
[R1-Tunnel0/0/0]nhrp entry multicast dynamic
[R4]int t 0/0/0
[R4-Tunnel0/0/0]ip add 192.168.6.2 24
[R4-Tunnel0/0/0]tunnel-protocol gre p2mp
[R4-Tunnel0/0/0]nhrp network-id 100
[R4-Tunnel0/0/0]nhrp entry multicast dynamic
[R4-Tunnel0/0/0]source 46.0.0.1
[R5]int t 0/0/0
[R5-Tunnel0/0/0]ip add 192.168.6.3 24
[R5-Tunnel0/0/0]tunnel-protocol gre p2mp
[R5-Tunnel0/0/0]source 56.0.0.1
[R5-Tunnel0/0/0]nhrp network-id 100
[R5-Tunnel0/0/0]nhrp entry multicast dynamic
[R1-Tunnel0/0/0]nhrp entry 192.168.6.2 46.0.0.1 register
[R1-Tunnel0/0/0]nhrp entry 192.168.6.3 56.0.0.1 register
[R4-Tunnel0/0/0]nhrp entry 192.168.6.1 16.0.0.1 register
[R4-Tunnel0/0/0]nhrp entry 192.168.6.3 56.0.0.1 register
[R5-Tunnel0/0/0]nhrp entry 192.168.6.1 16.0.0.1 register
[R5-Tunnel0/0/0]nhrp entry 192.168.6.2 46.0.0.2 register
4.配置ospf
[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 192.168.6.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]network 192.168.2.0 0.0.0.255
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]network 192.168.3.0 0.0.0.255
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 192.168.3.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255
[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]network 192.168.4.0 0.0.0.255
[R4-ospf-1]area 0
[R4-ospf-1-area-0.0.0.0]network 192.168.4.0 0.0.0.255
[R4-ospf-1-area-0.0.0.0]network 192.168.6.0 0.0.0.255
[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]network 192.168.5.0 0.0.0.255
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 192.168.5.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 192.168.6.0 0.0.0.255
[R1-Tunnel0/0/0]ospf network-type p2mp
[R2-Tunnel0/0/0]ospf network-type p2mp
[R3-Tunnel0/0/0]ospf network-type p2mp
[R1-Tunnel0/0/1]ospf network-type broadcast
[R4-Tunnel0/0/0]ospf network-type broadcast
[R5-Tunnel0/0/0]ospf network-type broadcast
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[R1-Tunnel0/0/1]ospf network-type broadcast
[R4-Tunnel0/0/0]ospf network-type broadcast
[R5-Tunnel0/0/0]ospf network-type broadcast
