QOS限速实例
开启QOS
mls qos
添加列表
access-list 2142 permit ip 58.251.0.36 0.0.0.0 any
access-list 2142 permit ip 58.251.0.37 0.0.0.0 any
access-list 2142 permit ip 203.86.3.160 0.0.0.15 any
定义类
class-map match-all lianhua12-20M
match access-group 2142
policy-map vlan192
class lianhua12-20M
police 20000000 1000000 1000000 conform-action transmit exceed-action drop(限速20MB，注意bc和be尽量都是cir的一半，bc和be设置为一样）
应用到接口上
inter vlan 192
service-policy input vlan192