单臂路由，三层交换配置

[align=center]实验项目(1)：VLAN间的路由配置[/align]
[align=center] （[/align]

完成标准：
实现在不同VLAN之间的主机能够通信.

实验拓扑图如下:




操作步骤如下:
1．交换机的配置
SW1:
>en
#conf t
(config)#host sw1
(config)#exit
#vlan database
(vlan)#vlan 2
(vlan)#vlan 3
(vlan)#vtp domain abc
(vlan)#vtp mode server
(vlan)#exit
#conf t
(config)#int f0/1
(config-if)#switchport access vlan 2
(config-if)#exit
(config)#int f0/2
(config-if)#switchport access vlan 3
(config-if)#exit
(config)#int range f0/11 - 12
(config-if)#switchport mode trunk
(config-if)#end
#show vtp status
#show vlan brief

SW2:
>en
#conf t
(config)#host sw2
(config)#exit
#vlan database
(vlan)#vtp domain abc
(vlan)#vtp mode client
(vlan)#exit
#conf t
(config)#int f0/11
(config-if)#switchport mode trunk
(config-if)#end
#show vtp status
#show vlan brief

2．路由器的配置
R1:
>en
#conf t
(config)#host R1
(config)#int f0/0
(config-if)#no sh
(config-if)#exit
(config)#int f0/0.1
(config-subif)#encapsulation dot1q 2 将vlan 2封装成dot1q协议
(config-subif)#ip address 10.0.0.1 255.0.0.0
(config-subif)#no sh
(config-subif)#exit
(config)#int f0/0.2
(config-subif)#encapsulation dot1q 3
(config-subif)#ip address 20.0.0.1 255.0.0.0
(config-subif)#no sh
(config-subif)#end

3．PC机的配置
PC1:ip address 10.0.0.2 255.0.0.0 ip default-gateway 10.0.0.1
PC2:ip address 20.0.0.2 255.0.0.0 ip default-gateway 20.0.0.1
PC3:ip address 10.0.0.3 255.0.0.0 ip default-gateway 10.0.0.1
PC4:ip address 20.0.0.3 255.0.0.0 ip default-gateway 20.0.0.1

经验证：
不同VLAN的主机能够ping通。

[align=center]实验项目(2):三层交换机的配置[/align]
完成标准:
实现VLAN之间能够通信.

实验拓扑图如下:




操作步骤如下:
1．二层交换机的配置
SW-2L:
>en
#conf t
(config)#host SW-2L
(config)#exit
#vlan database
(vlan)#vlan 2
(vlan)#vlan 3
(vlan)#exit
#conf t
(config)#int f0/2
(config-if-)#switchport access vlan 2
(config-if)#exit
(config)#int f0/3
(config-if)#switchport access vlan 3
(config-if)#exit
(config)#int f0/15
(config-if)#switchport mode trunk
(config-if)#end

2．三层交换机的配置
SW-3L:
>en
#conf t
(config)#host SW-3L
(config)#exit
#vlan database
(vlan)#vlan 2
(vlan)#vlan 3
(vlan)#exit
#conf t
(config)#ip routing
(config)#int f0/15
(config-if)#switchport mode trunk
(config-if)#exit
(config)#int vlan 1
(config-if)#ip address 192.168.1.1 255.255.255.0
(config-if)#no sh
(config-if)#exit
(config)#int vlan 2
(config-if)#ip address 192.168.2.1 255.255.255.0
(config-if)#no sh
(config-if)#exit
(config)#int vlan 3
(config-if)#ip address 192.168.3.1 255.255.255.0
(config-if)#no sh
(config-if)#end
#show ip route





#show ip cef





#show adjacency detail





3．PC机的配置
PC1:ip address 192.168.1.10 255.255.255.0 ip default-gateway 192.168.1.1
PC2:ip address 192.168.2.10 255.255.255.0 ip default-gateway 192.168.2.1
PC3:ip address 192.168.3.10 255.255.255.0 ip default-gateway 192.168.3.1













经验证：
如上图所示不同VLAN的主机之间能够相互通信.

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