三層交換機的配置

三層交換機的配置

配置如下：

三層交換機上的配置
ip routing
interface FastEthernet0/1
 no switchport
 ip address 172.16.1.1 255.255.255.252
 interface FastEthernet0/3
 switchport mode trunk
interface FastEthernet0/4
 switchport mode trunk
interface Vlan2
 ip address 192.168.2.1 255.255.255.0
interface Vlan3
 ip address 192.168.3.1 255.255.255.0
interface Vlan4
 ip address 192.168.4.254 255.255.255.0
interface Vlan5
 ip address 192.168.5.254 255.255.255.0
ip classless
ip route 0.0.0.0 0.0.0.0 172.16.1.2
路由器上的配置是
interface FastEthernet0/0
 ip address 10.1.1.1 255.255.255.0
no shut
interface FastEthernet0/1
 ip address 172.16.1.2 255.255.255.252
no shut
ip route 0.0.0.0 0.0.0.0 172.16.1.1
左邊兩層交換機配置
interface FastEthernet0/1
 switchport access vlan 2
no shut
interface FastEthernet0/2
 switchport access vlan 3
no shut
interface FastEthernet0/3
 switchport mode trunk
右邊交換機的配置
interface FastEthernet0/1
 switchport access vlan 4
no shut
interface FastEthernet0/2
 switchport access vlan 5
no shut
interface FastEthernet0/4
 switchport mode trunk

配置完成

實現內網與外網的互通。