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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 %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state to upSwitch(config-if)# Switch(config-if)#ip address 192.168.10.1 255.255.255.0 Switch(config-if)#no shut Switch(config-if)#exit Switch(config)#ip routing Switch(config-if)#exit Switch(config)#ip route 0.0.0.0 0.0.0.0 192.168.10.2 Switch(config)# 路由器的配置： Router>en Router#conf Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int f0/0 Router(config-if)#no shut %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up Router(config-if)#exit Router(config)#int f0/1 Router(config-if)#no shut %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up Router(config-if)#exit Router(config)#int f0/0 Router(config-if)#no shut Router(config-if)#exit Router(config)#int f0/0.1 Router(config-subif)#encapsulation dot1Q 1 Router(config-subif)#ip address 192.168.3.168 255.255.255.0 Router(config-subif)#exit Router(config)#int f0/0.2 Router(config-subif)#encapsulation dot1Q 2 Router(config-subif)#ip add Router(config-subif)#ip address 192.168.4.168 255.255.255.0 Router(config-subif)#exit Router(config)#ip route 0.0.0.0 0.0.0.0 192.168.10.1 Router(config)#exit %SYS-5-CONFIG_I: Configured from console by console Router#conf Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int f0/1 Router(config-if)#ip add Router(config-if)#ip address 192.168.10.2 255.255.255.0 Router(config-if)# 相关搜索
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