out text mina log 虛擬 router img ast helper

① 在思科虛擬機上 搭建拓撲圖 如上；
② 首先在PC機中選擇DHCP自動獲取IP地址狀態；
③ 在交換機SW1 SW2 中創建VLAN10-VLAN40 ；並把對應的PC機端口加入相應的SW1：VLAN10-20、SW2：VLAN30-40 ；
④ 把交換機與交換機相連的端口全部創建 trunk 鏈路；
⑤ Pc機網關配置在三層交換機端口上
⑥ 路由兩端配置兩個網段，在最終服務器地址池獲取到IP地址；
命令如下：
SW1
Switch>enable
Switch#configure terminal
SW1(config)#vlan 10
Switch(config-vlan)#vlan 20
Switch(config-vlan)#vlan 30
Switch(config-vlan)#vlan 40
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/4
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/5
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
SW2
Switch>enable
Switch#configure terminal
SW1(config)#vlan 10
Switch(config-vlan)#vlan 20
Switch(config-vlan)#vlan 30
Switch(config-vlan)#vlan 40
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 10
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport mode access
Switch(config-if)#switchport access vlan 20
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/4
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/5
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
SW3
Switch>enable
Switch#configure terminal
SW1(config)#vlan 10
Switch(config-vlan)#vlan 20
Switch(config-vlan)#vlan 30
Switch(config-vlan)#vlan 40
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
SW4
Switch>enable
Switch#configure terminal
SW1(config)#vlan 10
Switch(config-vlan)#vlan 20
Switch(config-vlan)#vlan 30
Switch(config-vlan)#vlan 40
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
三層交換機
Switch>enable
Switch#configure terminal
Switch>ip routing
SW1(config)#vlan 10
Switch(config-vlan)#vlan 20
Switch(config-vlan)#vlan 30
Switch(config-vlan)#vlan 40
Switch(config)#interface fastEthernet 0/1
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface fastEthernet 0/2
Switch(config-if)#switchport mode trunk
Switch(config-if)#switchport trunk allowed vlan all
Switch(config)#interface vlan 10
Switch(config-if)#ip address 192.168.10.254 255.255.255.0
Switch(config)#interface vlan 20
Switch(config-if)#ip address 192.168.20.254 255.255.255.0
Switch(config)#interface vlan 30
Switch(config-if)#ip address 192.168.30.254 255.255.255.0
Switch(config)#interface vlan 40
Switch(config-if)#ip address 192.168.40.254 255.255.255.0
Switch(config)#interface fastEthernet 0/3
Switch(config-if)#no switchport
Switch(config-if)#ip address 192.168.50.1 255.255.255.0
Switch(config-if)#ip helper-address 192.168.60.1
Switch(config)#interface vlan 10
Switch(config-if)#ip helper-address 192.168.60.1
Switch(config)#interface vlan 20
Switch(config-if)#ip helper-address 192.168.60.1
Switch(config)#interface vlan 30
Switch(config-if)#ip helper-address 192.168.60.1
Switch(config)#interface vlan 40
Switch(config-if)#ip helper-address 192.168.60.1
Switch(config)#ip route 192.168.6.0 255.255.255.0 192.168.5.254
路由
Router(config)#interface gigabitEthernet 0/0
Router(config-if)#ip address 192.168.50.254 255.255.255.0
Router(config)#interface gigabitEthernet 0/1
Router(config-if)#ip address 192.168.60.254 255.255.255.0
Router(config)ip route 192.168.10.0 255.255.255.0 192.168.50.1
Router(config)ip route 192.168.20.0 255.255.255.0 192.168.50.1
Router(config)ip route 192.168.30.0 255.255.255.0 192.168.50.1
Router(config)ip route 192.168.40.0 255.255.255.0 192.168.50.1
服務器
給服務器配置IP地址和創建地址池測試；

思科VLAN與DHCP之間通信