网络基础（十三）----实操----MGRE环境下的OSPF综合实验
问题描述：
一.配置路由接口、环回的IP地址以及缺省
二.R1、R2、R3逻辑链路配置------2.2.2.0/24
R1：
[r1]int t 0/0/0
[r1-Tunnel0/0/0]ip add 2.2.2.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre p2mp
[r1-Tunnel0/0/0]source 16.0.0.1
Sep 28 2021 23:21:48-08:00 r1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/0 has entered the UP state.
[r1-Tunnel0/0/0]nhrp entry multicast dynamic
[r1-Tunnel0/0/0]
Please check whether system data has been changed, and save data in time
Configuration console time out, please press any key to log on
sys
Enter system view, return user view with Ctrl+Z.
[r1]display nhrp peer all
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
2.2.2.2 32 26.0.0.1 2.2.2.2 dynamic route tunnel
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/0
Created time : 00:03:20
Expire time : 01:56:40
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
2.2.2.3 32 36.0.0.1 2.2.2.3 dynamic route tunnel
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/0
Created time : 00:00:28
Expire time : 01:59:32
Number of nhrp peers: 2
R2：
[r2]int t 0/0/0
[r2-Tunnel0/0/0]ip add 2.2.2.2 24
[r2-Tunnel0/0/0]tunnel-protocol gre p2mp
[r2-Tunnel0/0/0]source GigabitEthernet 0/0/0
Sep 28 2021 23:24:27-08:00 r2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/0 has entered the UP state.
[r2-Tunnel0/0/0]nhrp network-id 100
[r2-Tunnel0/0/0]nhrp entry 2.2.2.1 16.0.0.1 register
R3:
[r3]int Tunnel 0/0/0
[r3-Tunnel0/0/0]ip add 2.2.2.3 24
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp
[r3-Tunnel0/0/0]source GigabitEthernet 0/0/0
Sep 28 2021 23:28:16-08:00 r3 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/0 has entered the UP state.
[r3-Tunnel0/0/0]nhrp network-id 100
[r3-Tunnel0/0/0]nhrp entry 2.2.2.1 16.0.0.1 register
三.R1、R4、R5 -----1.1.1.0/24
R1:
[r1]int t 0/0/1
[r1-Tunnel0/0/1]ip add 1.1.1.1 24
[r1-Tunnel0/0/1]tunnel-protocol gre p2mp
[r1-Tunnel0/0/1]source 116.0.0.1
Sep 28 2021 23:38:31-08:00 r1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/1 has entered the UP state.
[r1-Tunnel0/0/1]nhrp network-id 200
[r1-Tunnel0/0/1]nhrp entry multicast dynamic
[r1-Tunnel0/0/1]nhrp entry 1.1.1.2 46.0.0.1 register
[r1-Tunnel0/0/1]nhrp entry 1.1.1.3 56.0.0.1 register
[r1-Tunnel0/0/1]q
[r1]display nhrp peer all
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
2.2.2.2 32 26.0.0.1 2.2.2.2 dynamic route tunnel
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/0
Created time : 00:20:08
Expire time : 01:39:52
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
2.2.2.3 32 36.0.0.1 2.2.2.3 dynamic route tunnel
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/0
Created time : 00:17:16
Expire time : 01:42:44
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
1.1.1.2 32 46.0.0.1 1.1.1.2 static hub
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/1
Created time : 00:03:50
Expire time : --
-------------------------------------------------------------------------------
Protocol-addr Mask NBMA-addr NextHop-addr Type Flag
-------------------------------------------------------------------------------
1.1.1.3 32 56.0.0.1 1.1.1.3 static hub
-------------------------------------------------------------------------------
Tunnel interface: Tunnel0/0/1
Created time : 00:03:22
Expire time : --
Number of nhrp peers: 4
R4:
[r4]int t 0/0/0
[r4-Tunnel0/0/0]ip add 1.1.1.2 24
[r4-Tunnel0/0/0]tunnel-protocol gre p2mp
[r4-Tunnel0/0/0]source 46.0.0.1
Sep 28 2021 23:40:14-08:00 r4 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/0 has entered the UP state.
[r4-Tunnel0/0/0]nhrp network-id 200
[r4-Tunnel0/0/0]nhrp entry multicast dynamic
[r4-Tunnel0/0/0]nhrp entry 1.1.1.1 116.0.0.1 register
Info: This peer protocol address conflicts with hub register peer protocol addre
ss.
[r4-Tunnel0/0/0]nhrp entry 1.1.1.3 56.0.0.1
R5:
[r5]int t 0/0/0
[r5-Tunnel0/0/0]ip add 1.1.1.3 24
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source 56.0.0.1
Sep 28 2021 23:41:57-08:00 r5 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP
on the interface Tunnel0/0/0 has entered the UP state.
[r5-Tunnel0/0/0]nhrp network-id 200
[r5-Tunnel0/0/0]nhrp entry multicast dynamic
[r5-Tunnel0/0/0]nhrp entry 1.1.1.1 116.0.0.1 register
Info: This peer protocol address conflicts with hub register peer protocol addre
ss.
[r5-Tunnel0/0/0]nhrp entry 1.1.1.2 46.0.0.1 register 四. 配置OSPF
R1:
[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]A 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 2.2.2.0 0.0.0.255
[r1-ospf-1-area-0.0.0.0]network 1.1.1.0 0.0.0.255
Sep 28 2021 23:57:47-08:00 r1 %%01OSPF/4/NBR_CHANGE_E(l)[0]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=2.2.2.2, NeighborEv
ent=HelloReceived, NeighborPreviousState=Down, NeighborCurrentState=Init)
[r1-ospf-1]
Sep 28 2021 23:57:49-08:00 r1 %%01OSPF/4/NBR_CHANGE_E(l)[1]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=2.2.2.2, NeighborEv
ent=2WayReceived, NeighborPreviousState=Init, NeighborCurrentState=ExStart)
[r1-ospf-1]
Sep 28 2021 23:57:49-08:00 r1 %%01OSPF/4/NBR_CHANGE_E(l)[2]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=2.2.2.2, NeighborEv
ent=NegotiationDone, NeighborPreviousState=ExStart, NeighborCurrentState=Exchang
e)
[r1-ospf-1]
Sep 28 2021 23:57:49-08:00 r1 %%01OSPF/4/NBR_CHANGE_E(l)[3]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=2.2.2.2, NeighborEv
ent=ExchangeDone, NeighborPreviousState=Exchange, NeighborCurrentState=Loading)
[r1-ospf-1]
Sep 28 2021 23:57:49-08:00 r1 %%01OSPF/4/NBR_CHANGE_E(l)[4]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=2.2.2.2, NeighborEv
ent=LoadingDone, NeighborPreviousState=Loading, NeighborCurrentState=Full) R2:
[r2]ofp
[r2]ofp
[r2]osp
[r2]ospf 1 r
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]net
[r2-ospf-1]net
[r2-ospf-1]a 0
[r2-ospf-1-area-0.0.0.0]ne
[r2-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255
[r2-ospf-1-area-0.0.0.0]ne
Sep 28 2021 23:57:48-08:00 r2 %%01OSPF/4/NBR_CHANGE_E(l)[0]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=HelloReceived, NeighborPreviousState=Down, NeighborCurrentState=Init)
[r2-ospf-1-area-0.0.0.0]ne
Sep 28 2021 23:57:48-08:00 r2 %%01OSPF/4/NBR_CHANGE_E(l)[1]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=2WayReceived, NeighborPreviousState=Init, NeighborCurrentState=ExStart)
[r2-ospf-1-area-0.0.0.0]ne
Sep 28 2021 23:57:48-08:00 r2 %%01OSPF/4/NBR_CHANGE_E(l)[2]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=NegotiationDone, NeighborPreviousState=ExStart, NeighborCurrentState=Exchang
e)
[r2-ospf-1-area-0.0.0.0]ne
Sep 28 2021 23:57:48-08:00 r2 %%01OSPF/4/NBR_CHANGE_E(l)[3]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=ExchangeDone, NeighborPreviousState=Exchange, NeighborCurrentState=Loading)
[r2-ospf-1-area-0.0.0.0]ne
Sep 28 2021 23:57:48-08:00 r2 %%01OSPF/4/NBR_CHANGE_E(l)[4]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=LoadingDone, NeighborPreviousState=Loading, NeighborCurrentState=Full)
[r2-ospf-1-area-0.0.0.0]net
[r2-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255
R3:
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]a 0
[r3-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255
[r3-ospf-1-area-0.0.0.0]network
Sep 28 2021 23:59:29-08:00 r3 %%01OSPF/4/NBR_CHANGE_E(l)[0]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.2.2.2, NeighborEv
ent=HelloReceived, NeighborPreviousState=Down, NeighborCurrentState=Init)
[r3-ospf-1-area-0.0.0.0]network 192.168.3.0 0.0.0.255
R4:
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]a 0
[r4-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255
[r4-ospf-1-area-0.0.0.0]network 1.1.1.0 0.0.0.255
[r4-ospf-1-area-0.0.0.0]
Sep 29 2021 00:02:01-08:00 r4 %%01OSPF/4/NBR_CHANGE_E(l)[0]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=HelloReceived, NeighborPreviousState=Down, NeighborCurrentState=Init)
[r4-ospf-1-area-0.0.0.0]
Sep 29 2021 00:02:01-08:00 r4 %%01OSPF/4/NBR_CHANGE_E(l)[1]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=2WayReceived, NeighborPreviousState=Init, NeighborCurrentState=ExStart)
[r4-ospf-1-area-0.0.0.0]
Sep 29 2021 00:02:01-08:00 r4 %%01OSPF/4/NBR_CHANGE_E(l)[2]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=NegotiationDone, NeighborPreviousState=ExStart, NeighborCurrentState=Exchang
e)
[r4-ospf-1-area-0.0.0.0]
Sep 29 2021 00:02:01-08:00 r4 %%01OSPF/4/NBR_CHANGE_E(l)[3]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=ExchangeDone, NeighborPreviousState=Exchange, NeighborCurrentState=Loading)
[r4-ospf-1-area-0.0.0.0]
Sep 29 2021 00:02:01-08:00 r4 %%01OSPF/4/NBR_CHANGE_E(l)[4]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=LoadingDone, NeighborPreviousState=Loading, NeighborCurrentState=Full)
[r4-ospf-1-area-0.0.0.0]ne
[r4-ospf-1-area-0.0.0.0]network 192.168.4.0 0.0.0.255R5:
[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]a 0
[r5-ospf-1-area-0.0.0.0]network 1.1.1.0 0.0.0.255
[r5-ospf-1-area-0.0.0.0]network
Sep 29 2021 00:03:54-08:00 r5 %%01OSPF/4/NBR_CHANGE_E(l)[0]:Neighbor changes eve
nt: neighbor status changed. (ProcessId=256, NeighborAddress=1.1.1.1, NeighborEv
ent=HelloReceived, NeighborPreviousState=Down, NeighborCurrentState=Init)
[r5-ospf-1-area-0.0.0.0]network 192.168.5.0 0.0.0.255
五.R1、R2、R3-----p2mp
R1:
[r1]int Tunnel 0/0/0
[r1-Tunnel0/0/0]ospf network-type p2mp
[r1]display ip routing-table protocol ospf
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Public routing table : OSPF
Destinations : 5 Routes : 5
OSPF routing table status :
Destinations : 5 Routes : 5
Destination/Mask Proto Pre Cost Flags NextHop Interface
2.2.2.2/32 OSPF 10 1562 D 2.2.2.2 Tunnel0/0/0
2.2.2.3/32 OSPF 10 1562 D 2.2.2.3 Tunnel0/0/0
192.168.2.1/32 OSPF 10 1562 D 2.2.2.2 Tunnel0/0/0
192.168.3.1/32 OSPF 10 1562 D 2.2.2.3 Tunnel0/0/0
192.168.4.1/32 OSPF 10 1562 D 1.1.1.2 Tunnel0/0/1
OSPF routing table status :
Destinations : 0 Routes : 0 R2:
[r2]int Tunnel 0/0/0
[r2-Tunnel0/0/0]ospf network-type p2mpR3:
[r3]int Tunnel 0/0/0
[r3-Tunnel0/0/0]ospf network-type p2mp六.R1、R4、R5全连的MGRE
R1:
[r1]interface Tunnel 0/0/1
[r1-Tunnel0/0/1]ospf network-type broadcast R4:
[r4]int Tunnel 0/0/0
[r4-Tunnel0/0/0]ospf network-type broadcast R5:
[r5]int Tunnel 0/0/0
[r5-Tunnel0/0/0]ospf network-type broadcast