接口下按IP范围限速：
interface Virtual-Template1
qos car outbound destination-ip-address range 172.18.3.3 to 172.18.3.10 cir 10000

限速为10Mbps  命令行里面单位是kbps

MQC方式限速：
acl number 3010
 rule 5 permit ip destination 172.18.0.0 0.0.255.255
 rule 10 permit ip destination 192.168.0.0 0.0.255.255

traffic classifier qos operator or
 if-match acl 3010
#
traffic behavior qos
 car cir 20000                                                 限速20Mbps，命令行里面单位是kbps
#
traffic policy qos
 classifier qos behavior qos
#
interface Virtual-Template1
 traffic-policy qos outbound
#
或者：
interface GigabitEthernet0/0/1
 traffic-policy qos outbound

需要注意inbound和outbound的方向，以及出接口