路由器 conf t int g0/0 no sh int g0/0.1 enca dot1q 10 ip add 192.168.10..1 255.255.255.00 int g0/0.2 enca dot1q 20 ip add 192.168.20..1 255.255.255.00 交换机 conf t vlan 10 vlan 20 int vlan10 int vlan20 int g0/1 sw mo tr sw tr al vl 10,20 int g0/2 sw mo ac sw ac vl 10 int g0/2 sw mo ac sw ac vl 20