实验使用的工具：小凡模拟器
实验一：
一、更改设备名，激活端口、设置为Trunk 3L-SW1 Router> Router>enable Router#config terminal Router(config)#hostname 3L-sw1-jing 3L-sw1-jing(config)#interface range f0/1 -2 , f0/11 -12 3L-sw1-jing(config-if-range)#switchport mode trunk 3L-sw1-jing(config-if-range)#no shutdown 3L-sw1-jing(config-if-range)#end 3L-SW2 Router>enable Router#config terminal Router(config)#hostname 3L-sw2-jing 3L-sw2-jing(config)#interface range f0/1 -2 , f0/11 -12 3L-sw2-jing(config-if-range)#switchport mode trunk 3L-sw2-jing(config-if-range)#no shutdown 3L-sw2-jing(config-if-range)#end 2L-SW3 Router> Router>enable Router#config terminal Router(config)#hostname 2L-sw3-jin 2L-sw3-jin(config)#interface range f0/11 -12 2L-sw3-jin(config-if-range)#switchport mode trunk 2L-sw3-jin(config-if-range)#interface range f0/11 -12 , f0/1 -2 2L-sw3-jin(config-if-range)#no shutdown 2L-sw3-jin(config-if-range)#end 2L-SW4 Router> Router>enable Router#config terminal Router(config)#hostname 2L-sw4-jin 2L-sw4-jin(config)#interface range f0/11 -12 2L-sw4-jin(config-if-range)#switchport mode trunk 2L-sw4-jin(config-if-range)#interface range f0/11 -12 , f0/1 -2 2L-sw4-jin(config-if-range)#no shutdown 2L-sw4-jin(config-if-range)#end 二、配置VTP，创建vlan，并在2L-SW上将端口加入相应的vlan中 3L-SW1 3L-sw1-jin# 3L-sw1-jin#vlan database 3L-sw1-jin(vlan)#vtp domain t208 3L-sw1-jin(vlan)#vlan 2 name jishubu 3L-sw1-jin(vlan)#vlan 3 name renshibu 3L-sw1-jin(vlan)#vlan 4 name caiwubu 3L-sw1-jin(vlan)#vlan 5 name shichangbu 3L-sw1-jin(vlan)#exit 3L-sw1-jin#show vtp status 3L-sw1-jin#show vlan-s 3L-SW2 3L-sw2-jin#show vtp status 3L-sw2-jin#show vlan-s 2L-SW3 2L-sw3-jin#show vtp status 2L-sw3-jin#show vlan-s 2L-sw3-jin#config terminal 2L-sw3-jin(config)#interface f0/1 2L-sw3-jin(config-if)#switchport access vlan 2 2L-sw3-jin(config-if)#interface f0/2 2L-sw3-jin(config-if)#switchport access vlan 3 2L-sw3-jin(config-if)#end 2L-sw3-jin#show vlan-s 2L-SW4 2L-sw4-jin#show vtp status 2L-sw4-jin#show vlan-s 2L-sw4-jin#config terminal 2L-sw4-jin(config)#interface f0/1 2L-sw4-jin(config-if)#switchport access vlan 4 2L-sw4-jin(config-if)#interface f0/2 2L-sw4-jin(config-if)#switchport access vlan 5 2L-sw4-jin(config-if)#end 2L-sw4-jin#show vlan-s 三、在3L-sw两个三层交换机上分别对vlan配置ip 3L-SW1 3L-sw1-jin#config terminal 3L-sw1-jin(config)#ip routing 3L-sw1-jin(config)#interface vlan 2 3L-sw1-jin(config-if)#ip address 20.0.0.1 255.0.0.0 3L-sw1-jin(config-if)#no shutdown 3L-sw1-jin(config-if)#interface vlan 3 3L-sw1-jin(config-if)#ip address 30.0.0.1 255.0.0.0 3L-sw1-jin(config-if)#no shutdown 3L-sw1-jin(config-if)#interface vlan 4 3L-sw1-jin(config-if)#ip address 40.0.0.1 255.0.0.0 3L-sw1-jin(config-if)#no shutdown 3L-sw1-jin(config-if)#interface vlan 5 3L-sw1-jin(config-if)#ip address 50.0.0.1 255.0.0.0 3L-sw1-jin(config-if)#no shutdown 3L-sw1-jin(config-if)#end 3L-sw1-jin#show ip interface brief 3L-SW2 3L-sw2-jin#config terminal 3L-sw2-jin(config)#ip routing 3L-sw2-jin(config)#interface vlan 2 3L-sw2-jin(config-if)#ip address 20.0.0.2 255.0.0.0 3L-sw2-jin(config-if)#no shutdown 3L-sw2-jin(config-if)#interface vlan 3 3L-sw2-jin(config-if)#ip address 30.0.0.2 255.0.0.0 3L-sw2-jin(config-if)#no shutdown 3L-sw2-jin(config-if)#interface vlan 4 3L-sw2-jin(config-if)#ip address 40.0.0.2 255.0.0.0 3L-sw2-jin(config-if)#no shutdown 3L-sw2-jin(config-if)#interface vlan 5 3L-sw2-jin(config-if)#ip address 50.0.0.2 255.0.0.0 3L-sw2-jin(config-if)#no shutdown 3L-sw2-jin(config-if)#end 3L-sw2-jin#show ip interface brief 四、在3L-SW两个交换机上配置以太网通道（EthernetChannel） 3L-SW1 3L-sw1-jin#config terminal 3L-sw1-jin(config)#interfac range f0/1 -2 3L-sw1-jin(config-if-range)#channel-group 1 mode on 3L-sw1-jin(config-if-range)#end 3L-sw1-jin#show etherchannel 1 summary 3L-SW2 3L-sw2-jin#config terminal 3L-sw2-jin(config)#interface range f0/1 -2 3L-sw2-jin(config-if-range)#channel-group 1 mode on 3L-sw2-jin(config-if-range)#end 3L-sw2-jin#show etherchannel 1 summary 五、在3L-SW两个交换机上配置根网桥，vlan2 -3——3L-SW1为根网桥 vlan4 -5——3L-SW2为根网桥 ；并互为备用根网桥 3L-SW1 3L-sw1-jin#config terminal 3L-sw1-jin(config)#spanning-tree vlan 2 root primary 3L-sw1-jin(config)#spanning-tree vlan 3 root primary 3L-sw1-jin(config)#spanning-tree vlan 4 root secondary 3L-sw1-jin(config)#spanning-tree vlan 5 root secondary 3L-sw1-jin(config)#exit 3L-sw1-jin#show spanning-tree brief 3L-SW2 3L-sw2-jin#config terminal 3L-sw2-jin(config)#spanning-tree vlan 4 root primary 3L-sw2-jin(config)#spanning-tree vlan 5 root secondary 3L-sw2-jin(config)#spanning-tree vlan 5 root primary 3L-sw2-jin(config)#spanning-tree vlan 2 root secondary 3L-sw2-jin(config)#spanning-tree vlan 3 root secondary 3L-sw2-jin(config)#exit 3L-sw2-jin#show spanning-tree brief 六、在2L-SW两个交换机上分别配置上行速链路和速端口 2L-SW3 2L-sw3-jin#config terminal 2L-sw3-jin(config)#spanning-tree uplinkfast 2L-sw3-jin(config)#interface f0/12 2L-sw3-jin(config-if)#spanning-tree portfast 2L-sw3-jin(config-if)#end 2L-sw3-jin#show spanning-tree brief 2L-SW4 2L-sw4-jin#config terminal 2L-sw4-jin(config)#spanning-tree uplinkfast 2L-sw4-jin(config)#interface f0/12 2L-sw4-jin(config-if)#spanning-tree portfast 2L-sw4-jin(config-if)#end 2L-sw4-jin#show spanning-tree brief 七、使用show命令查看各个交换机上的配置 show vlan-s show vtp status show ip interface brief show ip route show interface trunk show etherchannel 1 summary show spanning-tree brief 八、配置PC的ip，验证 VPCS 1 > VPCS 1 >show VPCS 1 >ip 20.0.0.3 20.0.0.1 8 VPCS 1 >2 VPCS 2 >ip 30.0.0.3 30.0.0.1 8 VPCS 2 >3 VPCS 3 >ip 40.0.0.3 40.0.0.2 8 VPCS 3 >4 VPCS 4 >ip 50.0.0.3 50.0.0.2 8 VPCS 4 >show VPCS 4 >ping 40.0.0.2 VPCS 4 >ping 40.0.0.3 VPCS 4 >ping 30.0.0.3 VPCS 4 >ping 20.0.0.3 实验完成！！
实验二：
一、更改设备名，激活端口、设置为trunk 2L-SW1 Router> Router>enable Router#config terminal Router(config)#hostname 2L-sw1-jin 2L-sw1-jin(config)#interface range f0/0 , f0/15 2L-sw1-jin(config-if-range)#switchport mode trunk 2L-sw1-jin(config-if-range)#interface range f0/0 -3 , f0/15 2L-sw1-jin(config-if-range)#no shutdown 2L-sw1-jin(config-if-range)#end 2L-SW2 Router> Router>enable Router#config terminal Router(config)#hostname 2L-sw2-jin 2L-sw2-jin(config)#interface range f0/15 2L-sw2-jin(config-if-range)#switchport mode trunk 2L-sw2-jin(config-if-range)#interface range f0/15 , f0/1 -3 2L-sw2-jin(config-if-range)#no shutdown 2L-sw2-jin(config-if-range)#end 2L-SW3 Router> Router>enable Router#config terminal Router(config)#hostname 2L-sw3-jin 2L-sw3-jin(config)#interface range f0/0 2L-sw3-jin(config-if-range)#switchport mode trunk 2L-sw3-jin(config-if-range)#interface range f0/0 -2 2L-sw3-jin(config-if-range)#no shutdown 2L-sw3-jin(config-if-range)#end 3L-SW4 Router> Router>enable Router#config terminal Router(config)#hostname 3L-sw4-jin 3L-sw4-jin(config)#interface f0/0 3L-sw4-jin(config-if)#switchport mode trunk 3L-sw4-jin(config-if)#no shutdown 3L-sw4-jin(config-if)#end R1 Router> Router>enable Router#config terminal Router(config)#hostname R1-jin 二、配置VTP，创建vlan,在2L-SW1、2上把端口加入相应的vlan中；在2L-SW3上创建vlan，并加入相应的端口；在3L-SW4上对2L-SW1、2上的vlan设置ip地址 2L-SW1 2L-sw1-jin#vlan database 2L-sw1-jin(vlan)#vtp domain t208 2L-sw1-jin(vlan)#vlan 2 name jishubu 2L-sw1-jin(vlan)#vlan 3 name renshibu 2L-sw1-jin(vlan)#exit 2L-sw1-jin#show vtp status 2L-sw1-jin#show vlan-s 2L-sw1-jin#config terminal 2L-sw1-jin(config)#interface range f0/1 -2 2L-sw1-jin(config-if-range)#switchport access vlan 2 2L-sw1-jin(config-if-range)#interface f0/3 2L-sw1-jin(config-if)#switchport access vlan 3 2L-sw1-jin(config-if)#end 2L-sw1-jin#show vlan-s 2L-SW2 2L-sw2-jin#show vtp status 2L-sw2-jin#show vlan-s 2L-sw2-jin#config terminal 2L-sw2-jin(config)#interface range f0/1 -2 2L-sw2-jin(config-if-range)#switchport access vlan 3 2L-sw2-jin(config-if-range)#interface f0/3 2L-sw2-jin(config-if)#switchport access vlan 2 2L-sw2-jin(config-if)#end 2L-sw2-jin#show vlan-s 2L-SW3 2L-sw3-jin#show vlan-s 2L-sw3-jin#vlan database 2L-sw3-jin(vlan)#vlan 2 2L-sw3-jin(vlan)#vlan 3 2L-sw3-jin(vlan)#exit 2L-sw3-jin#show vlan-s 2L-sw3-jin#config terminal 2L-sw3-jin(config)#interface f0/1 2L-sw3-jin(config-if)#switchport access vlan 2 2L-sw3-jin(config-if)#interface f0/2 2L-sw3-jin(config-if)#switchport access vlan 3 2L-sw3-jin(config-if)#end 2L-sw3-jin#show vlan-s 3L-SW4 3L-sw4-jin#show vtp status 3L-sw4-jin#show vlan-s 3L-sw4-jin#config terminal 3L-sw4-jin(config)#ip routing 3L-sw4-jin(config)#interface vlan 2 3L-sw4-jin(config-if)#ip address 20.0.0.1 255.0.0.0 3L-sw4-jin(config-if)#no shutdown 3L-sw4-jin(config-if)#interface vlan 3 3L-sw4-jin(config-if)#ip address 30.0.0.1 255.0.0.0 3L-sw4-jin(config-if)#no shutdown 3L-sw4-jin(config-if)#end 3L-sw4-jin#show ip interface brief 三、在3L-SW4上启用路由接口，在R1上配置单臂路由，再分别配置静态路由。 3L-SW4 3L-sw4-jin#config terminal Enter configuration commands, one per line. End with CNTL/Z. 3L-sw4-jin(config)#interface f0/1 3L-sw4-jin(config-if)#no switchport 3L-sw4-jin(config-if)#ip address 10.0.0.1 255.0.0.0 3L-sw4-jin(config-if)#no shutdown 3L-sw4-jin(config-if)#end 3L-sw4-jin#config terminal 3L-sw4-jin(config)#ip route 40.0.0.0 255.0.0.0 10.0.0.2 3L-sw4-jin(config)#ip route 50.0.0.0 255.0.0.0 10.0.0.2 3L-sw4-jin(config)#exit 3L-sw4-jin#show ip route R1 R1-jin>enable R1-jin#config terminal R1-jin(config)#interface f0/0 R1-jin(config-if)#no shutdown R1-jin(config-if)#interface f0/0.1 R1-jin(config-subif)#encapsulation dot1q 2 R1-jin(config-subif)#ip address 40.0.0.1 255.0.0.0 R1-jin(config-subif)#no shutdown R1-jin(config-subif)#interface f0/0.2 R1-jin(config-subif)#encapsulation dot1q 3 R1-jin(config-subif)#ip address 50.0.0.1 255.0.0.0 R1-jin(config-subif)#no shutdown R1-jin(config-subif)#exit R1-jin(config)#interface f1/0 R1-jin(config-if)#ip address 10.0.0.2 255.0.0.0 R1-jin(config-if)#no shutdown R1-jin(config-if)#exit R1-jin(config)#ip route 20.0.0.0 255.0.0.0 10.0.0.1 R1-jin(config)#ip route 30.0.0.0 255.0.0.0 10.0.0.1 R1-jin(config)#exit R1-jin#show ip route 四、配置PC，验证：实现全网通信 VPCS 1 > VPCS 1 >show VPCS 1 >ip 20.0.0.2 20.0.0.1 8 VPCS 1 >2 VPCS 2 >ip 20.0.0.3 20.0.0.1 8 VPCS 2 >3 VPCS 3 >ip 30.0.0.2 30.0.0.1 8 VPCS 3 >4 VPCS 4 >ip 30.0.0.3 30.0.0.1 8 VPCS 4 >5 VPCS 5 >ip 30.0.0.4 30.0.0.1 8 VPCS 5 >6 VPCS 6 >ip 20.0.0.4 20.0.0.1 8 VPCS 6 >7 VPCS 7 >ip 40.0.0.2 40.0.0.1 8 VPCS 7 >8 VPCS 8 >ip 50.0.0.2 50.0.0.1 8 VPCS 8 >show NAME IP/CIDR GATEWAY PC1 20.0.0.2/8 20.0.0.1 PC2 20.0.0.3/8 20.0.0.1 PC3 30.0.0.2/8 30.0.0.1 PC4 30.0.0.3/8 30.0.0.1 PC5 30.0.0.4/8 30.0.0.1 PC6 20.0.0.4/8 20.0.0.1 PC7 40.0.0.2/8 40.0.0.1 PC8 50.0.0.2/8 50.0.0.1 PC9 0.0.0.0/0 0.0.0.0 VPCS 8 >ping 40.0.0.2 40.0.0.2 icmp_seq=1 timeout ——超时 40.0.0.2 icmp_seq=2 time=62.000 ms ——连通ok! 40.0.0.2 icmp_seq=3 time=63.000 ms 40.0.0.2 icmp_seq=4 time=62.000 ms 40.0.0.2 icmp_seq=5 time=63.000 ms VPCS 8 >ping 30.0.0.2 VPCS 8 >ping 30.0.0.3 VPCS 8 >ping 30.0.0.4 VPCS 8 >ping 20.0.0.2 VPCS 8 >ping 20.0.0.3 VPCS 8 >ping 20.0.0.4 VPCS 8 >7 VPCS 7 >ping 30.0.0.2 VPCS 7 >ping 30.0.0.3 VPCS 7 >ping 20.0.0.4 VPCS 7 >1 VPCS 1 >ping 20.0.0.4 VPCS 1 >ping 30.0.0.4 VPCS 1 >3 VPCS 3 >ping 30.0.0.4
