实验拓扑图:

    实验环境配置说明：

    1.将R1的Fa0/1接口的IP设为：10.0.0.2/8，Fa0/2接口的IP设为：20.0.0.1/8
    2.将SW2的Fa0/10接口的IP设为：10.0.0.1/8

    3.将vlan2的IP设为：192.168.1.1/24

    4.将vlan3的IP设为：192.168.2.1/24

    5.将pc1的IP设为：192.168.1.10/24 网关：192.168.1.1

    6.将pc2的IP设为：192.168.2.10/24 网关：192.168.2.1

    7.将pc3的IP设为：192.168.1.20/24 网关：192.168.1.1
    8.将pc4的IP设为：192.168.2.20/24 网关：192.168.2.1

    9.将pc5的IP设为：20.0.0.2/8      网关：20.0.0.1
    实验结果要求：

    pc5能ping通pc1,pc2,pc3,pc4.

    ==========================SW1配置=================================

    SW1(config)#interface range f0/1 -2

    SW1(config-if-range)#switchport mode trunk

    SW1(config)#interface range f0/13 -14

    SW1(config-if-range)#switchport mode trunk

    SW1(config)#vtp domain leaf                                     //创建VTP域名

    SW1#vlan database

    SW1(vlan)#vlan 2

    VLAN 2 added:

        Name: VLAN0002
    SW1(vlan)#vlan 3

    VLAN 3 added:

        Name: VLAN0003

    SW1(vlan)#exit

    SW1(config)#spanning-tree vlan 2 root primary             //设置SW1为vlan2的主根网桥

     VLAN 2 bridge priority set to 8192

     VLAN 2 bridge max aging time unchanged at 20

     VLAN 2 bridge hello time unchanged at 2
     VLAN 2 bridge forward delay unchanged at 15

    SW1(config)#spanning-tree vlan 3 root secondary   //设置SW1为vlan3的辅助根网桥

     VLAN 3 bridge priority set to 16384

     VLAN 3 bridge max aging time unchanged at 20

     VLAN 3 bridge hello time unchanged at 2

     VLAN 3 bridge forward delay unchanged at 15

    SW1(config)#interface range f0/1 -2                         //配置以太网通道

    SW1(config-if-range)#shutdown

    SW1(config-if-range)#channel-group 1 mode on

    SW1(config-if-range)#no shutdown

    SW1(config)#ip routing                                           //开启三层交换路由功能

    =============================SW2配置==========================
    SW2(config)#interface range f0/1 -2

    SW2(config-if-range)#switchport mode trunk

    SW2(config)#interface range f0/13 -14
 

   SW2(config-if-range)#switchport mode trunk

    SW2(config)#interface f0/10

    SW2(config-if)#switchport mode trunk

    SW2(config)#VTP mode client                      //设置SW3为VTP客户机模式

    SW2(config)#spanning-tree vlan 3 root primary  //设置SW2为vlan3的主根网桥

     VLAN 3 bridge priority set to 8192

     VLAN 3 bridge max aging time unchanged at 20

     VLAN 3 bridge hello time unchanged at 2

     VLAN 3 bridge forward delay unchanged at 15

    SW2(config)#spanning-tree vlan 2 root secondary //设置SW2为vlan2的辅助根网桥

     VLAN 2 bridge priority set to 16384
     VLAN 2 bridge max aging time unchanged at 20

     VLAN 2 bridge hello time unchanged at 2

     VLAN 2 bridge forward delay unchanged at 15

   SW2(config)#interface range f0/1 -2           //配置以太网通道

    SW2(config-if-range)#shutdown
    SW2(config-if-range)#channel-group 1 mode on

    SW2(config-if-range)#no shutdown

    SW2(config)#ip routing                        //开启三层交换路由功能

    SW2(config)#interface vlan 2

   SW2(config-if)#ip address 192.168.1.1 255.255.255.0

    SW2(config-if)#no shutdown

    SW2(config-if)#exit

    SW2(config)#interface vlan 3
    SW2(config-if)#ip address 192.168.2.1 255.255.255.0

    SW2(config-if)#no shutdown

    SW2(config-if)#exit

    SW2(config)#interface f0/10

    SW2(config-if)#no switchport                                     //配置路由接口

    SW2(config-if)#ip address 10.0.0.1 255.0.0.0
    SW2(config-if)#no shutdown

    SW2(config)#router rip

    SW2(config-router)#version 2

    SW2(config-router)#no auto-summary
    SW2(config-router)#network 10.0.0.0

    SW2(config-router)#network 192.168.1.0

    SW2(config-router)#network 192.168.2.0

    =======================SW3配置================================

    SW3(config)#interface range f0/13 -14
    SW3(config-if-range)#switchport mode trunk

    SW3(config)#VTP mode client

 

    SW3(config)#interface f0/1

    SW3(config-if)#switchport access vlan 2

    SW3config-if)#exit

    SW3(config)#interface f0/2

    SW3(config-if)#switchport access vlan 3

    SW3(config)#spanning-tree uplinkfast              //配置上行链路

 

    SW3(config)#interface range f0/1 -2                  //配置速端口

    SW3(config-if-range)#spanning-tree portfast

    =====================SW4配置=================================

    SW4(config)#interface range f0/13 -14

    SW4(config-if-range)#switchport mode trunk

    SW4(config)#VTP mode client

 

    SW4(config)#interface f0/1

    SW4(config-if)#switchport access vlan 2
    SW4(config-if)#exit

    SW4(config)#interface f0/2

    SW4(config-if)#switchport access vlan 3

 

    SW4(config)#spanning-tree uplinkfast

    SW4(config)#interface range f0/1 -2

    SW4(config-if-range)#spanning-tree portfast

 

    ==========================R1配置=============================

    R1(config)#interface f0/1

    R1(config-if)#ip address 10.0.0.2 255.0.0.0

    R1(config-if)#no shutdown

    R1(config-if)#exit
    R1(config)#interface f0/2

    R1(config-if)#ip address 20.0.0.1 255.0.0.0

    R1(config-if)#no shutdown

    R1(config-if)#exit

    R1(config)#router rip

    R1(config-router)#version 2

    R1(config-router)#no auto-summary

    R1(config-router)#network 10.0.0.0
    R1(config-router)#network 20.0.0.0

 

    实验测试:

    R1#ping 192.168.1.10

    Type escape sequence to abort.

    Sending 5, 100-byte ICMP Echos to 192.168.1.10, timeout is 2 seconds:
    !!!!!

    Success rate is 100 percent (5/5), round-trip min/avg/max = 64/146/340 ms

    R1#ping 192.168.1.20

    Type escape sequence to abort.

    Sending 5, 100-byte ICMP Echos to 192.168.1.20, timeout is 2 seconds:

    !!!!!
    Success rate is 100 percent (5/5), round-trip min/avg/max = 60/117/232 ms

    R1#ping 192.168.2.10

    Type escape sequence to abort.

    Sending 5, 100-byte ICMP Echos to 192.168.2.10, timeout is 2 seconds:

    !!!!!

    Success rate is 100 percent (5/5), round-trip min/avg/max = 32/117/244 ms
    R1#ping 192.168.2.20

    Type escape sequence to abort.

    Sending 5, 100-byte ICMP Echos to 192.168.2.20, timeout is 2 seconds:

    !!!!!

    Success rate is 100 percent (5/5), round-trip min/avg/max = 48/146/272 ms