Vlan实验练习
一.实验拓扑

地址:左边:VLAN2:192.168.1.0/24
VLAN3:192.168.2.0/24
右边:VLAN2:192.168.3.0/24
VLAN3:192.168.4.0/24
二.实验需求
1、全网可达;
2、使用DHCP获取IP地址;
三、配置思路
1、在各个交换机上创建vlan
2、将接口加入相应vlan,并配置端口的链路模式
3、在trunk干道上放行vlan
4、配置路由器子接口
5、配置DHCP地址池,并测试
四、实验步骤
1、创建VLAN,将接口加入相应vlan
LSW 1:
[dd-Ethernet0/0/2]port link-type access
[dd-Ethernet0/0/2]port default vlan 2
[dd-Ethernet0/0/3]port link-type access
[dd-Ethernet0/0/3]port default vlan 3

LSW 2:
[ll-Ethernet0/0/3]port link-type access
[ll-Ethernet0/0/3]port default vlan 2
[ll-Ethernet0/0/4]port link-type access
[ll-Ethernet0/0/4]port default vlan 3

LSW 3:
[rr-Ethernet0/0/2]port link-type access
[rr-Ethernet0/0/2]port default vlan 2
[rr-Ethernet0/0/3]port link-type access
[rr-Ethernet0/0/3]port default vlan 3

2.在trunk干道上放行vlan
LSW 1:
[dd-Ethernet0/0/1]port trunk allow-pass vlan 2 3

LSW 2:
[ll-Ethernet0/0/2]port trunk allow-pass vlan 2 3
[ll-Ethernet0/0/1]port trunk allow-pass vlan 2 3

LSW 3:
[rr-Ethernet0/0/1]port trunk allow-pass vlan 2 3

3.路由器子接口配置
配置左边子接口:
[rose-GigabitEthernet0/0/0.1]ip add 192.168.1.254 24
[rose-GigabitEthernet0/0/0.2]ip add 192.168.2.254 24
配置右边子接口:
[rose-GigabitEthernet0/0/1.1]ip add 192.168.3.254 24
[rose-GigabitEthernet0/0/1.2]ip add 192.168.4.254 24

4.配置DHCP,并测试
[rose]ip pool vlan2-left
[rose-ip-pool-vlan2-left]network 192.168.1.0 mask 24
[rose-ip-pool-vlan2-left]gateway-list 192.168.1.254
[rose]ip pool vlan3-left
[rose-ip-pool-vlan3-left]netbios-type
[rose-ip-pool-vlan3-left]network 192.168.2.0 mask 24
[rose-ip-pool-vlan3-left]gateway-list 192.168.2.254
[rose]ip pool vlan2-right
[rose-ip-pool-vlan2-right]network 192.168.3.0 mask 24
[rose-ip-pool-vlan2-right]gateway-list 192.168.3.254
[rose]ip pool vlan3-right
[rose-ip-pool-vlan3-right]network 192.168.4.0 mask 24
[rose-ip-pool-vlan3-right]gateway-list 192.168.4.254
进入接口全局配置:
[rose]int g 0/0/0.1
[rose-GigabitEthernet0/0/0.1]dhcp select global
[rose]int g 0/0/0.2
[rose-GigabitEthernet0/0/0.2]dhcp select global
[rose]int g 0/0/1.1
[rose-GigabitEthernet0/0/1.1]dhcp select global
[rose]int g 0/0/1.2
[rose-GigabitEthernet0/0/1.2]dhcp select global
测试









五、实验总结
学习完这部分深深体会到了vlan技术的重要性,需要划分trunk干道,还要把真是物理接口划分多个虚拟子接口
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