H3C S5800 端口限制速度

我們做10M/10M 的限制
但只有outbound 正常
inbound 設了限制10M ,但只可通過3M

是不是用錯方式限制?
 qos lr inbound cir 10240 cbs 640000


#
interface GigabitEthernet2/0/3
 port link-mode bridge
 port access vlan 201
 qos lr inbound cir 10240 cbs 640000
 qos lr outbound cir 10240 cbs 640000




H3C Comware Software, Version 7.1.045, Release 7006P02
Copyright (c) 2004-2014 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
H3C S5800-54S uptime is 0 weeks, 0 days, 19 hours, 31 minutes
Last reboot reason : Power on
Boot image: flash:/s5800_5820x-cmw710-boot-R7006P02.bin
Boot image version: 7.1.045P10, Release 7006P02
  Compiled Mar 03 2014 18:07:45
System image: flash:/s5800_5820x-cmw710-system-R7006P02.bin
System image version: 7.1.045, Release 7006P02
  Compiled Mar 03 2014 18:08:00
Patch image(s) list:
  flash:/s5800_5820x-cmw710-boot-patch-R7006P02H12.bin, version: sp12
    Compiled May 02 2018 10:23:59
  flash:/s5800_5820x-cmw710-system-patch-R7006P02H12.bin, version: sp12
    Compiled May 03 2018 11:32:07
Slot 2
H3C S5800-54S with 2 Processors
Last reboot reason : Power on
1024M   bytes SDRAM
4M      bytes Nor Flash Memory
512M    bytes Nand Flash Memory
Config Register points to Nand Flash
Hardware Version is Ver.C
CPLD Version is 005
BootRom Version is 107
[SubSlot 0] 48GE+6SFP Plus Hardware Version is Ver.C