RT-SR6608-Chassis-路由器子接口丢包

请问出现以下子接口丢包问题是什么原因呢

GigabitEthernet2/2/0 current state: UP

Line protocol current state: UP

Description: CQ4B0410G_13

The Maximum Transmit Unit is 1500

Internet protocol processing : disabled

IP Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address: xxx

IPv6 Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address: xxx

Media type is optical fiber, loopback not set, promiscuous mode not set

1000M, Full, link type is autonegotiation

Output flow-control is disabled, input flow-control is disabled

SFP Transceiver Info:

Vendor name: H3C    Port hardware type: 1000_BASE_SX_SFP

link length: multi-mode 50/125μm 550 Meters, 62.5/125μm 270 Meters

Output queue : (Urgent queuing : Size/Length/Discards)  0/100/0

Output queue : (Protocol queuing : Size/Length/Discards)  0/500/0

Output queue : (FIFO queuing : Size/Length/Discards)  0/1024/0

Last clearing of counters: Never

    Last 300 seconds input rate 16647.85 bytes/sec, 133176 bits/sec, 78.76 packets/sec

    Last 300 seconds output rate 49647.86 bytes/sec, 397176 bits/sec, 66.73 packets/sec

    Input: 3333661189 packets, 938785064792 bytes, 0 no buffers

           137662842 broadcasts, 120061784 multicasts, 0 pauses

           0 errors, 0 runts, 0 giants

           0 crc, 0 align errors, 0 overruns

           0 dribbles, 0 drops

    Output:2912616141 packets, 1703957877812 bytes

           54364494 broadcasts, 0 multicasts, 0 pauses

           0 errors, 0 underruns, 0 collisions

           0 deferred, 0 lost carriers

#

GigabitEthernet2/2/0.3502 current state: UP

Line protocol current state: UP

Description: GTZYYFWGLJ_DX,708149676

The Maximum Transmit Unit is 1500

Internet protocol processing : disabled

IP Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address:xxx

IPv6 Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address: xxx

Output queue : (Urgent queuing : Size/Length/Discards)  0/100/0

Output queue : (Protocol queuing : Size/Length/Discards)  0/500/0

Output queue : (Weighted Fair queuing : Size/Length/Discards)  0/64/15391

Hashed by IP Precedence

Hashed queues :  0/15/256 (Active/Max active/Total)

Last clearing of counters:  Never

    130432816 packets input, 93275722896 bytes, 0 drops

    151818277 packets output, 73440238260 bytes, 15391 drops

#

GigabitEthernet2/2/0.3509 current state: UP

Line protocol current state: UP

Description: Link to MSXFJRYXGS_DX-708149861

The Maximum Transmit Unit is 1500

Internet Address is xxxx Primary

IP Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address: xxx

IPv6 Packet Frame Type: PKTFMT_ETHNT_2,  Hardware Address: xxx

Output queue : (Urgent queuing : Size/Length/Discards)  0/100/0

Output queue : (Protocol queuing : Size/Length/Discards)  0/500/0

Output queue : (FIFO queuing : Size/Length/Discards)  0/75/0

Last clearing of counters:  Never

    1126179608 packets input, 330847723811 bytes, 1035859 drops

    1188426689 packets output, 925519621027 bytes, 0 drops