三台三层交换机OSPF多区域划分动态路由实验

一、实验拓扑

二、实验步骤

1、给主机设置IP，网关；给交换机划分VLAN，给VLAN划分端口，给VLAN设置IP

2、启用OSPF、宣告网段（network 网络地址 反掩码 区域名     其中0区域为主干区域）

▲SwitchA 的相关配置

Switch>enable
Switch#config
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hostname SwitchA
SwitchA(config)#vlan 10
SwitchA(config-vlan)#exit
SwitchA(config)#vlan 20
SwitchA(config-vlan)#exit
SwitchA(config)#vlan 100
SwitchA(config-vlan)#exit
SwitchA(config)#interface range fastEthernet 0/1-10
SwitchA(config-if-range)#switchport access vlan 10
SwitchA(config-if-range)#interface range fastEthernet 0/11-20
SwitchA(config-if-range)#switchport access vlan 20
SwitchA(config-if-range)#interface  fastEthernet 0/23
SwitchA(config-if)#switchport access vlan 100
SwitchA(config-if)#

SwitchA(config-if)#interface vlan 100
SwitchA(config-if)#ip address 192.168.100.1 255.255.255.0
SwitchA(config-if)#no shutdown
SwitchA(config-if)#interface vlan 10
SwitchA(config-if)#ip address 192.168.10.1 255.255.255.0
SwitchA(config-if)#no shutdown
SwitchA(config-if)#interface vlan 20
SwitchA(config-if)#ip address 192.168.20.1 255.255.255.0
SwitchA(config-if)#no shutdown
SwitchA(config-if)#exit

SwitchA(config)#router ?

  eigrp  Enhanced Interior Gateway Routing Protocol (EIGRP)
  ospf   Open Shortest Path First (OSPF)
  rip    Routing Information Protocol (RIP)
SwitchA(config)#router ospf ?
  <1-65535>  Process ID

SwitchA(config)#router ospf 1
SwitchA(config-router)#network 192.168.10.0 0.0.0.255 area 0
SwitchA(config-router)#network 192.168.20.0 0.0.0.255 area 0
SwitchA(config-router)#network 192.168.100.0 0.0.0.255 area 0
SwitchA(config-router)#

▲SwitchB 的相关配置

Switch>
Switch>enable
Switch#config
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#vlan 30
Switch(config-vlan)#exit
Switch(config)#vlan 40
Switch(config-vlan)#exit
Switch(config)#vlan 101
Switch(config-vlan)#exit
Switch(config)#vlan 200
Switch(config-vlan)#exit
Switch(config)#hostname SwitchB
SwitchB(config)#interface range fastEthernet 0/1-10
SwitchB(config-if-range)#switchport access vlan 30
SwitchB(config-if-range)#interface range fastEthernet 0/11-20
SwitchB(config-if-range)#switchport access vlan 40
SwitchB(config-if-range)#interface fastEthernet 0/23
SwitchB(config-if)#switchport access vlan 101
SwitchB(config-if)#interface fastEthernet 0/24
SwitchB(config-if)#switchport access vlan 200
SwitchB(config-if)#
SwitchB(config-if)#exit

SwitchB(config)#interface vlan 101
SwitchB(config-if)#ip address 192.168.100.2 255.255.255.0 
SwitchB(config-if)#no shutdown 
SwitchB(config-if)#interface vlan 200
SwitchB(config-if)#ip address 192.168.200.1 255.255.255.0 
SwitchB(config-if)#no shutdown 
SwitchB(config-if)#interface vlan 30
SwitchB(config-if)#ip address 192.168.30.1 255.255.255.0
SwitchB(config-if)#no shutdown 
SwitchB(config-if)#interface vlan 40
SwitchB(config-if)#ip address 192.168.40.1 255.255.255.0 
SwitchB(config-if)#no shutdown

SwitchB(config-if)#exit
SwitchB(config)#route ospf 1
SwitchB(config-router)#network 192.168.100.0 0.0.0.255 area 0
SwitchB(config-router)#network 192.168.30.0 0.0.0.255 area 0
SwitchB(config-router)#network 192.168.200.0 0.0.0.255 area 1
SwitchB(config-router)#network 192.168.40.0 0.0.0.255 area 1
SwitchB(config-router)#

　　

▲SwitchC 的相关配置

Switch>
Switch>enable
Switch#config
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#hostname SwitchC
SwitchC(config)#vlan 50
SwitchC(config-vlan)#exit
SwitchC(config)#vlan 60
SwitchC(config-vlan)#exit
SwitchC(config)#vlan 201
SwitchC(config-vlan)#exit

SwitchC(config)#interface range fastEthernet 0/1-10
SwitchC(config-if-range)#switchport access vlan 50
SwitchC(config-if-range)#interface range fastEthernet 0/11-20
SwitchC(config-if-range)#switchport access vlan 60
SwitchC(config-if-range)#interface fastEthernet 0/24
SwitchC(config-if)#switchport access vlan 201
SwitchC(config-if)#exit 

SwitchC(config)#interface vlan 201
SwitchC(config-if)#ip address 192.168.200.2 255.255.255.0
SwitchC(config-if)#no shutdown
SwitchC(config-if)#interface vlan 50
SwitchC(config-if)#ip address 192.168.50.100 255.255.255.0
SwitchC(config-if)#no shutdown
SwitchC(config-if)#interface vlan 60
SwitchC(config-if)#ip address 192.168.60.100 255.255.255.0
SwitchC(config-if)#no shutdown
SwitchC(config-if)#exit

Switch(config)#router ?
  eigrp  Enhanced Interior Gateway Routing Protocol (EIGRP)
  ospf   Open Shortest Path First (OSPF)
  rip    Routing Information Protocol (RIP)
Switch(config)#router ospf ?
  <1-65535>  Process ID
Switch(config)#router ospf 1
Switch(config-router)#network 192.168.50.0 0.0.0.255 area 1
Switch(config-router)#network 192.168.60.0 0.0.0.255 area 1
Switch(config-router)#network 192.168.200.0 0.0.0.255 area 1
Switch(config-router)#　　

当三台交换机都设置好ospf动态路由后，用以下命令查看（在特权模式下）

SwitchC#show ip route

结果如图

三、实验结果

所有的PC间全通。