拓扑图

配置命令

SW1

enable
erase startup-config
reload
vlan database
vlan 10
vlan 20
vlan 30
exit
conf t
hostname SW1
int range f 0/1-10
switchport mode access
switchport access vlan 10
exit
int range f 0/11-15
switchport mode access
switchport access vlan 20
exit
int range f 0/16-23
switchport mode access
switchport access vlan 30
exit
int f 0/24
switchport mode trunk
end
show vlan br

SW0

enable
vlan database
vlan 10
vlan 20
vlan 30
exit
conf t
hostname SW0
ip routing //开启VLAN间路由功能
int f 0/24
switchport trunk allowed vlan 10,20,30
ip dhcp excluded-address 192.168.10.1 //排除网关
ip dhcp excluded-address 192.168.20.1
ip dhcp excluded-address 192.168.30.1
exit
int f 0/23
no switchport
ip add 10.1.1.1 255.255.255.0
no shutdown
exit
int vlan 10
ip add 192.168.10.1 255.255.255.0
no shutdown
exit
int vlan 20
ip add 192.168.20.1 255.255.255.0
no shutdown
exit
int vlan 30
ip add 192.168.30.1 255.255.255.0
no shutdown
exitip route 0.0.0.0 0.0.0.0 10.1.1.2ip dhcp pool 10
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1 //设置默认网关
dns-server 192.168.0.1 //具体IP查看本机DNS
exit
ip dhcp pool 20
network 192.168.20.0 255.255.255.0
default-router 192.168.20.1 
dns-server 192.168.0.1 
exit
ip dhcp pool 30
network 192.168.30.0 255.255.255.0
default-router 192.168.30.1 
dns-server 192.168.0.1 
exit

R1

enable
conf t
hostname R1
int f 0/0
ip add 10.1.1.2 255.255.255.0
no shutdown
exit
int f 0/1
ip add 100.1.1.1 255.255.255.0
no shutdown
end
show running-configip route 192.168.10.0 255.255.255.0 10.1.1.1
ip route 192.168.20.0 255.255.255.0 10.1.1.1
ip route 192.168.30.0 255.255.255.0 10.1.1.1

实验结果

SW1

SW0

R1

Ping