S5800限速问题

型号为H3C S5800-60C-PWR
版本为H3C Comware Platform Software Comware Software, Version 5.20, Release 1211
配置
  acl number 3750
 description xiansu-100M
rule 100 permit ip
traffic classifier xiansu-100M operator and
 if-match acl 3750
traffic behavior xiansu-100M
 car cir 102400 cbs 6400000 ebs 512 green pass red discard yellow pass
qos policy xiansu-100M
 classifier xiansu-100M behavior xiansu-100M  

acl 3702
rule 100 deny tcp source-port eq www
 rule 101 deny tcp source-port eq 8080
 rule 102 deny tcp source-port eq 443
 rule 167 permit ip source 121.12.x.x
rule 500 deny ip

interface Ten-GigabitEthernet3/1/3
 port link-mode bridge
 port access vlan 12

packet-filter 3702 inbound

qos apply policy xiansu-100M inbound 

qos apply policy xiansu-100M outbound 

我用qos限速限制了100M，这条链路是10G的，但是昨晚发现限制不住流量，流量达到1.6G之高