VLAN实验

一、实验拓扑

二、实验需求

1、全网可达

2、使用DHCP获取IP地址

三、实验思路

1、划分地址、进行地址配置

2、vlan配置：

划分vlan；

更改接口的链路类型，将相应的接口加入vlan；

在trunk链路上放行网络中的vlan

3、配置子接口

4、DHCP配置

四、实验步骤

1、创建vlan

[SW1]vlan 2

[SW1-vlan2]vlan 3

[SW2]vlan 2

[SW2-vlan2]vlan 3

[SW3]vlan 2

[SW3-vlan2]vlan 3

2、接口加入相应vlan，配置trunk链路，精确放行相应VLAN

[SW1]int e0/0/2

[SW1-Ethernet0/0/2]port link-type access

[SW1-Ethernet0/0/2]port default vlan 2

[SW1-Ethernet0/0/2]int e0/0/3

[SW1-Ethernet0/0/3]port link-type access

[SW1-Ethernet0/0/3]port default vlan 3

[SW1-Ethernet0/0/3]int e0/0/1

[SW1-Ethernet0/0/1]port link-type trunk

[SW1-Ethernet0/0/1]port trunk allow-pass vlan 2 3

[SW2]int e0/0/3

[SW2-Ethernet0/0/3]port link-type access

[SW2-Ethernet0/0/3]port default vlan 2

[SW2-Ethernet0/0/3]int e0/0/4

[SW2-Ethernet0/0/4]port link-type access

[SW2-Ethernet0/0/4]port default vlan 3

[SW2-Ethernet0/0/4]int e0/0/2

[SW2-Ethernet0/0/2]port link-type trunk

[SW2-Ethernet0/0/2]port trunk allow-pass vlan 2 3

[SW2]int e0/0/1

[SW2-Ethernet0/0/1]port link-type trunk

[SW2-Ethernet0/0/1]port trunk allow-pass vlan 2 3

[SW3]int e0/0/2

[SW3-Ethernet0/0/2]port link-type access

[SW3-Ethernet0/0/2]port default vlan 2

[SW3-Ethernet0/0/2]int e0/0/3

[SW3-Ethernet0/0/3]port link-type access

[SW3-Ethernet0/0/3]port default vlan 3

[SW3-Ethernet0/0/3]int e0/0/1

[SW3-Ethernet0/0/1]port link-type trunk

[SW3-Ethernet0/0/1]port trunk allow-pass vlan 2 3

 3、在路由器上配置路由信息或者子接口信息，实现全网通

[R1]int g0/0/0.2

[R1-GigabitEthernet0/0/0.2]ip a 192.168.1.254 24  

[R1-GigabitEthernet0/0/0.2]dot1q termination vid 2

[R1-GigabitEthernet0/0/0.2]arp broadcast enable

[R1]int g0/0/0.3

[R1-GigabitEthernet0/0/0.3]ip a 192.168.2.254 24         

[R1-GigabitEthernet0/0/0.3]dot1q termination vid 3

[R1-GigabitEthernet0/0/0.3]arp broadcast enable

[R1]int g0/0/1.2

[R1-GigabitEthernet0/0/1.2]ip a 192.168.3.254 24         

[R1-GigabitEthernet0/0/1.2]dot1q termination vid 2

[R1-GigabitEthernet0/0/1.2]arp broadcast enable

[R1]int g0/0/1.3

[R1-GigabitEthernet0/0/1.3]ip a 192.168.4.254 24         

[R1-GigabitEthernet0/0/1.3]dot1q termination vid 3     

[R1-GigabitEthernet0/0/1.3]arp broadcast enable

4、DHCP配置 

[R1]dhcp enable

[R1]ip pool aa

[R1-ip-pool-aa]net 192.168.1.0 mask 24

[R1-ip-pool-aa]gateway-list 192.168.1.254

[R1-ip-pool-aa]dns-list 114.114.114.114 8.8.8.8

[R1]int g0/0/0.2

[R1-GigabitEthernet0/0/0.2]dhcp select global

[R1]ip pool bb

[R1-ip-pool-bb]net 192.168.2.0 mask 24

[R1-ip-pool-bb]gateway-list 192.168.2.254

[R1-ip-pool-bb]dns-list 114.114.114.114 8.8.8.8

[R1]int g0/0/0.3

[R1-GigabitEthernet0/0/0.3]dhcp select global

[R1]ip pool cc

[R1-ip-pool-cc]net 192.168.3.0 mask 24

[R1-ip-pool-cc]gateway-list 192.168.3.254

[R1-ip-pool-cc]dns-list 114.114.114.114 8.8.8.8

[R1]int g0/0/1.2

[R1-GigabitEthernet0/0/1.2]dhcp select global

[R1]ip pool dd

[R1-ip-pool-dd]net 192.168.4.0 mask 24

[R1-ip-pool-dd]gateway-list 192.168.4.254

[R1-ip-pool-dd]dns-list 114.114.114.114 8.8.8.8

[R1]int g0/0/1.3

[R1-GigabitEthernet0/0/1.3]dhcp select global

 实现全网通