设备：S5560X-54C-EI Release 1119P11
设备没配置流控，但是很多接口上出方向pauses好多，并且在不断增长
Output (total): 629882101 packets, 202769546919 bytes
312143919 unicasts, 139435832 broadcasts, 172534541 multicasts, 5767809 pauses
Output (normal): 624114292 packets, - bytes
312143919 unicasts, 139435832 broadcasts, 172534541 multicasts, 5767809 pauses
Output: 0 output errors, - underruns, - buffer failures
0 aborts, 0 deferred, 0 collisions, 0 late collisions
0 lost carrier, - no carrier
该版本存在如下已知问题, 设备收到pause帧后会在vlan内泛洪，无法终结，问题在R1119P19及其之后的版本解决
建议升级到R6628P47+HS08补丁版本