VLAN 虚拟局域网
模拟环境:华为模拟器
实验要求:
终端设备通过DHCP自动获取IP地址;
局域网划分为两个vlan ;
相同vlan编号之间可以互通;
1.sw1中创建vlan:
<Huawei>
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sys SW1 //修改设备名称
[SW1]vlan 2 //创建vlan 2
[SW1-vlan2]q
[SW1]vlan 3 //创建vlan 3
[SW1-vlan3]
2.SW1上接口划分到对应的vlan中:
[SW1]int g0/0/1 //进入接口
[SW1-GigabitEthernet0/0/1]port link-type access //修改接口模式为接入模式
[SW1-GigabitEthernet0/0/1]port default vlan 2 //将接口划分到vlan 2中
[SW1-GigabitEthernet0/0/1]int g0/0/2
[SW1-GigabitEthernet0/0/2]port link-type access
[SW1-GigabitEthernet0/0/2]port default vlan 2
[SW1-GigabitEthernet0/0/2]int g0/0/3
[SW1-GigabitEthernet0/0/3]port link-type access
[SW1-GigabitEthernet0/0/4]port default vlan 3
3.查看vlan
4.SW1中创建trunk干道
[SW1]int g0/0/5
[SW1-GigabitEthernet0/0/5]port link-type trunk
[SW1-GigabitEthernet0/0/5]port trunk allow-pass vlan all //定义允许通过的vlan
[SW1-GigabitEthernet0/0/5]int g0/0/6
[SW1-GigabitEthernet0/0/6]port link-type trunk
[SW1-GigabitEthernet0/0/6]port trunk allow-pass vlan all
5.SW2中创建vlan :
[SW2]vlan 2
[SW2-vlan2]
[SW2]vlan 3
[SW2-vlan3]q
6.SW2上接口划分到对应的vlan 中
[SW2]int g0/0/1
[SW2-GigabitEthernet0/0/1]port link-type access
[SW2-GigabitEthernet0/0/1]port default vlan 2
[SW2-GigabitEthernet0/0/1]int g0/0/2
[SW2-GigabitEthernet0/0/2]port link-type access
[SW2-GigabitEthernet0/0/2]port default vlan 3
7.SW2创建trunk干道
[SW2]int g0/0/5
//创建trunk干道
[SW2-GigabitEthernet0/0/5]port link-type trunk
[SW2-GigabitEthernet0/0/5]port trunk allow-pass vlan all
8.创建路由器的子接口:
在一个物理接口上,逻辑上配置多个虚拟接口,来识别和标记不同vlan的流量,为不同vlan网段担任网关,进行路由工作;
[Huawei]sys R1
[R1]int g0/0/0.1 //创建子接口
[R1-GigabitEthernet0/0/0.1]dot1q termination vid 2 //定义该接口识别和标识的vid
注:华为设备,默认子接口不进行ARP应答,因此必须开启该功能;
[R1-GigabitEthernet0/0/0.1]arp broadcast enable
[R1-GigabitEthernet0/0/0.1]ip add 192.168.1.1 24 //给接口配置IP地址;
[R1]int g0/0/0.2 //创建子接口
[R1-GigabitEthernet0/0/0.2]dot1q termination vid 3
[R1-GigabitEthernet0/0/0.2]arp broadcast enable
[R1-GigabitEthernet0/0/0.2]ip add 192.168.2.1 24
在R1上搭建DHCP池塘:
[R1]dhcp enable //开启DHCP服务
[R1]ip pool vlan2 //建立vlan2池塘
[R1-ip-pool-vlan2]network 192.168.1.0 mask 24
[R1-ip-pool-vlan2]gateway-list 192.168.1.1 //DHCP网关
[R1-ip-pool-vlan2]dns-list 114.114.114.114 //DHCP的DNS
[R1]ip pool vlan3
[R1-ip-pool-vlan3]network 192.168.2.0 mask 24
[R1-ip-pool-vlan3]gateway-list 192.168.2.1
[R1-ip-pool-vlan3]dns-list 114.114.114.114
[R1]int g0/0/0.1
[R1-GigabitEthernet0/0/0.1]dhcp select global
[R1]int g0/0/0.2
[R1-GigabitEthernet0/0/0.2]dhcp select global
[R1-GigabitEthernet0/0/0.2]q
查看终端设备是否拿到IP地址:
DHCP搭建成功!!!
用vlan 2 中的PC1,ping,vlan3中PC6,查看实验是否成功:
成功!!!