VLAN实验
目录
前言
如何根据实验要求完成本次实验?
实验要求:
1.pc1和pc3所在接口为access;pvlan vlan2 ,pc2/4/5/6处于同一网段;其中PC2可以访问 PC4/5/6;
但pc4可以访问pc5不能访问pc6
2.pc5不能访问pc6
3.pc1/3与pc2/4/5/6不在一个网段
4.所有pc通过DHCP获取,pc1/3可以正常访问pc2/4/5/6
实验分析:
1.三台交换机上创建VLAN
[sw1]vlan batch 2 to 5 ----批量创建vlan2--5
[sw2]vlan batch 2 to 5
[sw3]vlan batch 2 to 5
2.接口划入vlan
PC1/3使用aceess模式,PC2/4/5/6使用hybrid
SW1:
[sw1]int e0/0/1
[sw1-Ethernet0/0/1]port link-type access
[sw1-Ethernet0/0/1]port default vlan 2
[sw1]int e0/0/2
[sw1-Ethernet0/0/2]port hybrid pvid vlan 3
[sw1-Ethernet0/0/2]port hybrid untagged vlan 2 to 5
SW2:
[sw2]int e0/0/1
[sw2-Ethernet0/0/1]port link-type access
[sw2-Ethernet0/0/1]port default vlan 2
[sw2]int e0/0/2
[sw2-Ethernet0/0/2]port hybrid pvid vlan 4
[sw2-Ethernet0/0/2]port hybrid untagged vlan 2 to 4
SW3:
[sw3]int e0/0/1
[sw3-Ethernet0/0/1]port hybrid pvid vlan 4
[sw3-Ethernet0/0/1]port hybrid untagged vlan 2 to 4
[sw3]int e0/0/2
[sw3-Ethernet0/0/2]port hybrid pvid vlan 5
[sw3-Ethernet0/0/2]port hybrid untagged vlan 2 3 5
3.trunk干道
三台交换机中间的干道链路全部Trunk,允许所有VLAN通过
SW1:
[sw1]int e0/0/3
[sw1-Ethernet0/0/3]port link-type trunk
[sw1-Ethernet0/0/3]port trunk allow-pass vlan all
SW2:
[sw2]int e0/0/3
[sw2-Ethernet0/0/3]port link-type trunk
[sw2-Ethernet0/0/3]port trunk allow-pass vlan all
[sw2]int e0/0/4
[sw2-Ethernet0/0/4]port link-type trunk
[sw2-Ethernet0/0/4]port trunk allow-pass vlan all
SW3:
[sw3]int e0/0/3
[sw3-Ethernet0/0/3]port link-type trunk
[sw3-Ethernet0/0/3]port trunk allow-pass vlan all
4.VLAN间路由器
单臂路由—子接口—交换机连接路由器的交换机sw1接口0/0/4上设置Hybird模式,允许VLAN 2携带标签转发,VLAN 3 4 5剥离标签转发
SW1
注意:
[sw1]int e0/0/4
[sw1-Ethernet0/0/4]port hybrid untagged vlan 3 to 5
[sw1-Ethernet0/0/4]port hybrid tagged vlan 2
R1:
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 192.168.1.1 24
[r1]int g0/0/0.1
[r1-GigabitEthernet0/0/0.1]dot1q termination vid 2
[r1-GigabitEthernet0/0/0.1]ip add 192.168.2.1 24
[r1-GigabitEthernet0/0/0.1]arp broadcast enable -----注意,一定要开启arp 广播
[r1]dhcp enable ---全局开启DHCP服务
创建两个地址池a,b
[r1]ip pool a
[r1-ip-pool-a]network 192.168.1.0 mask 24 ---定义地址池
[r1-ip-pool-a]gateway-list 192.168.1.1 ---网关
[r1-ip-pool-a]dns-list 114.114.114.114 8.8.8.8 ---DNS
[r1]ip pool b
[r1-ip-pool-b]network 192.168.2.0 mask 24
[r1-ip-pool-b]gateway-list 192.168.2.1
[r1-ip-pool-b]dns-list 114.114.114.114 8.8.8.8
进入物理接口和子接口上开启单独开启dhco
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]dhcp select global
[r1-GigabitEthernet0/0/0]int g0/0/0.1
[r1-GigabitEthernet0/0/0.1]dhcp select global
5.实验验证
1)通过<sw>dis port vlan active 查看三台交换机的Link type(默认为hybrid )、PVID(默认为1) 、VLAN List 允许列表(PC端发送和接收不带标签的流量,U为untagged 不携带标签,T为tagged携带标签)
SW1:

SW2:

SW3:

2)PC1/2/3/4/5/6都通过DHCP服务获取到地址,并且PC1/3在192.168.2.0 /24网段,PC2/4/5/6在192.168.1.0 /24网段,下面验证就仅放两个网段获取的地址情况


3)验证PC1可以ping通全网,PC2可以ping通PC6,PC4/5不能ping通PC6
PC1可以ping通全网


PC2可以ping通PC6

PC4/5不能ping通PC6


至此,实验完成!!!
