S5120-28C-EI 10G SFP+ 接口丢包

环境:

H3C S5120-28C-EI*2堆叠各通过1条10G的光纤线路上联到H3C S10504*2堆叠核心交换机  ，所有设备都加入到了what's up gold监控软件上.

情况:

whan's up gold软件频繁发出接口丢包的告警邮件提醒，登录到对应的S5120设备上通过dis interface查看，似乎又没有errors的数据包信息出现。

告警邮件内容:

Display Name                    Aspect Name                                                   Aspect Value 

R03S5120                         ****Link-S10504B-TenG2/2/0/1**** (62)            395.86 discards per minute

设备接口信息:

Ten-GigabitEthernet2/1/2 current state: UP 

 IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 0cda-419b-4346 

 Description: ****Link-S10504B-TenG2/2/0/1**** 

 Loopback is not set 

 Media type is optical fiber,Port hardware type is 10G_BASE_SR_SFP 

 10Gbps-speed mode, full-duplex mode 

 Link speed type is force link, link duplex type is force link 

 Flow-control is not enabled 

 The Maximum Frame Length is 9216 

 Broadcast MAX-ratio: 100% 

 Unicast MAX-ratio: 100% 

 Multicast MAX-ratio: 100% 

 Allow jumbo frame to pass 

 PVID: 1 

 Link delay is 0(sec) 

 Port link-type: trunk 

  VLAN passing : 20, 30, 40, 100, 1000 

  VLAN permitted: 2-4094 

  Trunk port encapsulation: IEEE 802.1q 

 Port priority: 0 

 Peak value of input: 122335833 bytes/sec, at 2017-11-26 05:48:23 

 Peak value of output: 5419468 bytes/sec, at 2017-12-19 10:16:08 

 Last 30 seconds input: 2222 packets/sec 2278359 bytes/sec 0% 

 Last 30 seconds output: 7680 packets/sec 5419468 bytes/sec 0% 

 Input (total): 15317637988 packets, 13312252652067 bytes 14817187401 unicasts, 391246338 broadcasts, 109163285 multicasts 

Input (normal): 15317597024 packets, - bytes 14817187401 unicasts, 391246338 broadcasts, 109163285 multicasts 

 Input: 0 input errors, 0 runts, 0 giants, 0 throttles 0 CRC, 0 frame, - overruns, 0 aborts - ignored, - parity errors 

Output (total): 42518578199 packets, 27779476843501 bytes 42517237197 unicasts, 148111 broadcasts, 1192891 multicasts, 0 pauses 

Output (normal): 42518578199 packets, - bytes 42517237197 unicasts, 148111 broadcasts, 1192891 multicasts, 0 pauses Output: 0 

output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier 

还请高手们帮忙定位一下故障情况，谢谢。