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HCIP第三天ospf星型和全连实验

2023-08-09 40
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简介： R1/4/5使用全连所有接口工作方式为broadcast；DR/BDR将默认自动选举成功R1

ospf实验


实验要求

1、R6为ISP只能配置ip地址，R1-5的环回为私有网段

2、R1/4/5为全连的MGRE结构，R1/2/3为星型的拓扑结构，R1为中心站点

3、所有私有网段可以互相通讯，私有网段使用OSPF协议完成


拓扑图

f21da0ab1e8944449815caec6e672e7e.png

R1/4/5为全连的MGRE结构

R1/4/5

使用全连所有接口工作方式为broadcast；DR/BDR将默认自动选举成功

R1

[r1-Tunnel0/0/0]display this 
[V200R003C00]
#
interface Tunnel0/0/0
 ip address 1.1.1.1 255.255.255.0 
 tunnel-protocol gre p2mp
 source GigabitEthernet0/0/1
 ospf network-type broadcast
 nhrp entry multicast dynamic
 nhrp network-id 100
#
return

   OSPF Process 1 with Router ID 1.1.1.1
     Neighbors 
 Area 0.0.0.0 interface 1.1.1.1(Tunnel0/0/0)'s neighbors
 Router ID: 4.4.4.4          Address: 1.1.1.4         
   State: Full  Mode:Nbr is  Master  Priority: 1
   DR: 1.1.1.1  BDR: 1.1.1.4  MTU: 0    
   Dead timer due in 31  sec 
   Retrans timer interval: 4 
   Neighbor is up for 00:19:27     
   Authentication Sequence: [ 0 ] 
 Router ID: 5.5.5.5          Address: 1.1.1.5         
   State: Full  Mode:Nbr is  Master  Priority: 1
   DR: 1.1.1.1  BDR: 1.1.1.5  MTU: 0    
   Dead timer due in 34  sec 
   Retrans timer interval: 4 
   Neighbor is up for 00:20:18     
   Authentication Sequence: [ 0 ] 

[r1]display ospf peer b
   OSPF Process 1 with Router ID 1.1.1.1
      Peer Statistic Information
 ----------------------------------------------------------------------------
 Area Id          Interface                        Neighbor id      State    
 0.0.0.0          Tunnel0/0/0                      4.4.4.4          Full        
 0.0.0.0          Tunnel0/0/0                      5.5.5.5          Full        
 0.0.0.0          Tunnel0/0/1                      2.2.2.2          Full        
 0.0.0.0          Tunnel0/0/1                      3.3.3.3          Full        
 ----------------------------------------------------------------------------
[r1]

R4

[r4-Tunnel0/0/0]display this
[V200R003C00]
#
interface Tunnel0/0/0
 ip address 1.1.1.4 255.255.255.0 
 tunnel-protocol gre p2mp
 source GigabitEthernet0/0/0
 ospf network-type broadcast
 nhrp entry multicast dynamic
 nhrp network-id 100
 nhrp entry 1.1.1.1 14.1.1.1 register
 nhrp entry 1.1.1.5 54.1.1.1 register
#
return

[r4]display ospf peer b
   OSPF Process 1 with Router ID 4.4.4.4
      Peer Statistic Information
 ----------------------------------------------------------------------------
 Area Id          Interface                        Neighbor id      State    
 0.0.0.0          Tunnel0/0/0                      1.1.1.1          Full        
 0.0.0.0          Tunnel0/0/0                      5.5.5.5          Init        
 ----------------------------------------------------------------------------
[r4]

<r4>display ospf peer 
   OSPF Process 1 with Router ID 4.4.4.4
     Neighbors 
 Area 0.0.0.0 interface 1.1.1.4(Tunnel0/0/0)'s neighbors
 Router ID: 1.1.1.1          Address: 1.1.1.1         
   State: Full  Mode:Nbr is  Slave  Priority: 1
   DR: 1.1.1.1  BDR: 1.1.1.5  MTU: 0    
   Dead timer due in 36  sec 
   Retrans timer interval: 0 
   Neighbor is up for 00:22:00     
   Authentication Sequence: [ 0 ] 
 Router ID: 5.5.5.5          Address: 1.1.1.5         
   State: Init  Mode:Nbr is  Master  Priority: 1
   DR: 1.1.1.1  BDR: 1.1.1.5  MTU: 0    
   Dead timer due in 37  sec 
   Retrans timer interval: 0 
   Neighbor is up for 00:00:00     
   Authentication Sequence: [ 0 ]

R5

[r5-Tunnel0/0/0]display this 
[V200R003C00]
#
interface Tunnel0/0/0
 ip address 1.1.1.5 255.255.255.0 
 tunnel-protocol gre p2mp
 source GigabitEthernet0/0/0
 ospf network-type broadcast
 nhrp entry multicast dynamic
 nhrp network-id 100
 nhrp entry 1.1.1.1 14.1.1.1 register
 nhrp entry 1.1.1.4 44.1.1.2 register
#
return

[r5]display ospf peer b
   OSPF Process 1 with Router ID 5.5.5.5
      Peer Statistic Information
 ----------------------------------------------------------------------------
 Area Id          Interface                        Neighbor id      State    
 0.0.0.0          Tunnel0/0/0                      1.1.1.1          Full        
 ----------------------------------------------------------------------------
[r5]

<r5>display ospf peer
   OSPF Process 1 with Router ID 5.5.5.5
     Neighbors 
 Area 0.0.0.0 interface 1.1.1.5(Tunnel0/0/0)'s neighbors
 Router ID: 1.1.1.1          Address: 1.1.1.1         
   State: Full  Mode:Nbr is  Slave  Priority: 1
   DR: 1.1.1.1  BDR: 1.1.1.5  MTU: 0    
   Dead timer due in 34  sec 
   Retrans timer interval: 5 
   Neighbor is up for 00:23:18     
   Authentication Sequence: [ 0 ]

R1/2/3为星型的拓扑结构，R1为中心站点

所有接口的工作方式为p2mp

不进行dr、bdr选举

R1

[r1-Tunnel0/0/1]display this 
[V200R003C00]
#
interface Tunnel0/0/1
 ip address 2.2.2.1 255.255.255.0 
 tunnel-protocol gre p2mp
 source 41.1.1.1
 ospf network-type p2mp
 nhrp entry multicast dynamic
 nhrp network-id 200
#
return

 Area 0.0.0.0 interface 2.2.2.1(Tunnel0/0/1)'s neighbors
 Router ID: 2.2.2.2          Address: 2.2.2.2         
   State: Full  Mode:Nbr is  Master  Priority: 1
   DR: None   BDR: None   MTU: 0    
   Dead timer due in 111 sec 
   Retrans timer interval: 5 
   Neighbor is up for 00:52:38     
   Authentication Sequence: [ 0 ] 
 Router ID: 3.3.3.3          Address: 2.2.2.3         
   State: Full  Mode:Nbr is  Master  Priority: 1
   DR: None   BDR: None   MTU: 0    
   Dead timer due in 102 sec 
   Retrans timer interval: 5 
   Neighbor is up for 00:52:08     
   Authentication Sequence: [ 0 ]

R2

[r2-Tunnel0/0/1]display this 
[V200R003C00]
#
interface Tunnel0/0/1
 ip address 2.2.2.2 255.255.255.0 
 tunnel-protocol gre p2mp
 source GigabitEthernet0/0/0
 ospf network-type p2mp
 nhrp network-id 200
 nhrp entry 2.2.2.1 41.1.1.1 register
#
return

   OSPF Process 1 with Router ID 2.2.2.2
     Neighbors 
 Area 0.0.0.0 interface 2.2.2.2(Tunnel0/0/1)'s neighbors
 Router ID: 1.1.1.1          Address: 2.2.2.1         
   State: Full  Mode:Nbr is  Slave  Priority: 1
   DR: None   BDR: None   MTU: 0    
   Dead timer due in 112 sec 
   Retrans timer interval: 5 
   Neighbor is up for 00:54:25     
   Authentication Sequence: [ 0 ]

R3

[r3-Tunnel0/0/1]display this 
[V200R003C00]
#
interface Tunnel0/0/1
 ip address 2.2.2.3 255.255.255.0 
 tunnel-protocol gre p2mp
 source GigabitEthernet0/0/0
 ospf network-type p2mp
 nhrp network-id 200
 nhrp entry 2.2.2.1 41.1.1.1 register
#
return

[r3]display ospf peer 
   OSPF Process 1 with Router ID 3.3.3.3
     Neighbors 
 Area 0.0.0.0 interface 2.2.2.3(Tunnel0/0/1)'s neighbors
 Router ID: 1.1.1.1          Address: 2.2.2.1         
   State: Full  Mode:Nbr is  Slave  Priority: 1
   DR: None   BDR: None   MTU: 0    
   Dead timer due in 118 sec 
   Retrans timer interval: 5 
   Neighbor is up for 00:54:19     
   Authentication Sequence: [ 0 ]

所有私有网段可以互相通讯

<r2>ping 192.168.1.1
  PING 192.168.1.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.1.1: bytes=56 Sequence=1 ttl=255 time=40 ms
    Reply from 192.168.1.1: bytes=56 Sequence=2 ttl=255 time=20 ms
    Reply from 192.168.1.1: bytes=56 Sequence=3 ttl=255 time=30 ms
    Reply from 192.168.1.1: bytes=56 Sequence=4 ttl=255 time=30 ms
    Reply from 192.168.1.1: bytes=56 Sequence=5 ttl=255 time=30 ms
  --- 192.168.1.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 20/30/40 ms
<r2>ping 192.168.10.1
  PING 192.168.10.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.10.1: bytes=56 Sequence=1 ttl=255 time=40 ms
    Reply from 192.168.10.1: bytes=56 Sequence=2 ttl=255 time=20 ms
    Reply from 192.168.10.1: bytes=56 Sequence=3 ttl=255 time=30 ms
    Reply from 192.168.10.1: bytes=56 Sequence=4 ttl=255 time=20 ms
    Reply from 192.168.10.1: bytes=56 Sequence=5 ttl=255 time=30 ms
  --- 192.168.10.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 20/28/40 ms
<r2>ping 192.168.5.1
  PING 192.168.5.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.5.1: bytes=56 Sequence=1 ttl=254 time=50 ms
    Reply from 192.168.5.1: bytes=56 Sequence=2 ttl=254 time=40 ms
    Reply from 192.168.5.1: bytes=56 Sequence=3 ttl=254 time=40 ms
    Reply from 192.168.5.1: bytes=56 Sequence=4 ttl=254 time=50 ms
    Reply from 192.168.5.1: bytes=56 Sequence=5 ttl=254 time=40 ms
  --- 192.168.5.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 40/44/50 ms
<r2>ping 192.168.4.1
  PING 192.168.4.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.4.1: bytes=56 Sequence=1 ttl=254 time=30 ms
    Reply from 192.168.4.1: bytes=56 Sequence=2 ttl=254 time=40 ms
    Reply from 192.168.4.1: bytes=56 Sequence=3 ttl=254 time=40 ms
    Reply from 192.168.4.1: bytes=56 Sequence=4 ttl=254 time=40 ms
    Reply from 192.168.4.1: bytes=56 Sequence=5 ttl=254 time=40 ms
  --- 192.168.4.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 30/38/40 ms
<r2>ping 192.168.3.1
  PING 192.168.3.1: 56  data bytes, press CTRL_C to break
    Reply from 192.168.3.1: bytes=56 Sequence=1 ttl=255 time=40 ms
    Reply from 192.168.3.1: bytes=56 Sequence=2 ttl=255 time=30 ms
    Reply from 192.168.3.1: bytes=56 Sequence=3 ttl=255 time=40 ms
    Reply from 192.168.3.1: bytes=56 Sequence=4 ttl=255 time=30 ms
    Reply from 192.168.3.1: bytes=56 Sequence=5 ttl=255 time=30 ms
  --- 192.168.3.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 30/34/40 ms


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