项目一

某公司有若干名员工，现在公司业务扩展需要，拟整体搬迁到新办公楼。新办公楼里给配置了一台三层交换机，和2台二层交换机。现公司为了业务需求，需要把员工分为两类人员，一类普通员工、一类管理人员，要求：

1、能够在二层隔离两类人员的广播信息

2、能够在三层实现两类人员的信息互通。

假如你是公司网络管理人员，请你规划好网络拓扑，完成实验测试。所有网络产品均为Cisco。

拓扑图

SW1

SW1>enable
SW1#configure terminal
SW1(config)#vlan 10
SW1(config-vlan)#name VLAN10
SW1(config-vlan)#exit
SW1(config)#vlan 20
SW1(config-vlan)#name VLAN20
SW1(config-vlan)#exit
SW1(config)#interface FastEthernet0/2
SW1(config-if)#SW1port access vlan 10
SW1(config-if)#exit
SW1(config)#interface FastEthernet0/11
SW1(config-if)#SW1port access vlan 20
SW1(config-if)#exit
SW1(config)#interface FastEthernet0/1
SW1(config-if)#SW1port mode trunk

SW2

SW2>enable
SW2#configure terminal
SW2(config)#vlan 10
SW2(config-vlan)#name VLAN10
SW2(config-vlan)#exit
SW2(config)#vlan 20
SW2(config-vlan)#name VLAN20
SW2(config-vlan)#exit

SW2(config)#interface FastEthernet0/1
SW2(config-if)#SW2port mode trunk
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
SW2(config-if)#exit
SW2(config)#interface FastEthernet0/2
SW2(config-if)#SW2port access vlan 10
SW2(config-if)#exit
SW2(config)#interface FastEthernet0/11
SW2(config-if)#SW2port access vlan 20

SW3

SW3>enable
SW3#configure terminal
SW3#vlan database
% Warning: It is recommended to configure VLAN from config mode,
  as VLAN database mode is being deprecated. Please consult user
  documentation for configuring VTP/VLAN in config mode.

SW3(vlan)#
%SYS-5-CONFIG_I: Configured from console by console
vlan 10 name VLAN10
VLAN 10 modified:
    Name: VLAN10
SW3(vlan)#vlan 20 name VLAN20
VLAN 20 modified:
    Name: VLAN20
SW3(vlan)#exit


SW3#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
SW3(config)#int vlan 10
SW3(config-if)#
%LINK-5-CHANGED: Interface Vlan10, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up
SW3(config-if)#ip add 192.168.1.1 255.255.255.0
SW3(config-if)#no shut
SW3(config-if)#int vlan 20
SW3(config-if)#
%LINK-5-CHANGED: Interface Vlan20, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to up
SW3(config-if)#ip add 192.168.2.1 255.255.255.0
SW3(config-if)#no shutdown
SW3(config-if)#ip routing
SW3(config)#

Pc0 ping pc1,pc2,pc3

思路：利用三层交换机实现不同vlan之间的通信。