交换机上做流量统计参考方法如下：

acl number 3000
Rule permit ip source 源IP地址 destination 目的IP地址
traffic classifier test
if-match acl 3000
traffic behavior test
statistic enable
traffic policy test
classfier test behavior test
interface gi xxx
traffic-policy test inbound/outbound

查看统计结果命令：

display traffic policy statistics interface GigabitEthernet xxx inbound
display traffic policy statistics interface GigabitEthernet xxx outbound