三层交换机详细配置实例(图)
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三层交换机与路由器的配置实例(图解)
目的:学会使用三层交换与路由器让处于不同网段的网络相互通信
实验步骤:一:二层交换机的配置:
在三个二层交换机上分别划出两VLAN,并将二层交换机上与三层交换或路由器上的接线设置为trunk接口
二:三层交换机的配置:
1:首先在三层交换上划出两个VLAN,并进入VLAN为其配置IP,此IP将作为与他相连PC 的网关。
2:将与二层交换机相连的线同样设置为trunk接线,并将三层交换与路由器连接的线设置为路由接口(no switchsport)
3:将路由器和下面的交换机进行单臂路由的配置
实验最终结果:拓扑图下各个PC均能相互通信
交换机的配置命令:
SW 0:
Switch>
Switch>en
Switch#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#vlan 2
Switch(config-vlan)#exit
Switch(config)#int f0/2
Switch(config-if)#switchport access vlan 2
Switch(config-if)#no shut
Switch(config-if)#int f0/3
Switch(config-if)#switchport mode trunk
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up
Switch(config-if)#exit
Switch(config)#
SW 1:
Switch>en
Switch#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/2
Switch(config-if)#switchport access vlan 2
% Access VLAN does not exist. Creating vlan 2
Switch(config-if)#no shut
Switch(config-if)#exit
Switch(config)#int f0/3
Switch(config-if)#switchport mode trunk
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up
Switch(config-if)#
SW 2:
Switch>en
Switch#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/2
Switch(config-if)#switchport access vlan 2
% Access VLAN does not exist. Creating vlan 2
Switch(config-if)#exit
Switch(config)#int f0/3
Switch(config-if)#switchport mode trunk
Switch(config-if)#
三层交换的配置命令:
Switch>en
Switch#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/1
Switch(config-if)#switchport mode trunk
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down
Switch(config-if)#exit
Switch(config)#int f0/2
Switch(config-if)#switchport mode trunk
Switch(config-if)#exit
Switch(config)#vlan 2
Switch(config-vlan)#exit
Switch(config)#int vlan 1
Switch(config-if)#no shut
%LINK-5-CHANGED: Interface Vlan1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up Switch(config-if)#ip address 192.168.1.168 255.255.255.0
Switch(config-if)#exit
Switch(config)#int vlan 2
%LINK-5-CHANGED: Interface Vlan2, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan2, changed state to upSwitch(config-if)#ip add
Switch(config-if)#ip address 192.168.2.168 255.255.255.0
Switch(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/3, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to up
Switch(config-if)#exit
Switch(config)#int f0/3
Switch(config-if)#no switchport
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to down