SW1

vlan batch 10 20

interface GigabitEthernet0/0/1
port link-type access
port default vlan 10

interface GigabitEthernet0/0/2
port link-type access
port default vlan 20

interface GigabitEthernet0/0/12
port link-type trunk
port trunk allow-pass vlan 10 20

SW3

vlan batch 10 20 100 200

vlan 100
aggregate-vlan
access-vlan 10 20

interface Vlanif100
ip address 172.16.1.254 255.255.255.0

interface Vlanif200
ip address 172.16.200.1 255.255.255.0

interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20

interface GigabitEthernet0/0/2
port link-type access
port default vlan 200

最终端pc1不能ping通pc2，但可以ping通网关和其它vlan,pc5