报文丢弃高，如何排查？

每台设备的流量不一样，display interface 看一下是不是超过带宽了

<H3C>display interface GigabitEthernet 0/0
GigabitEthernet0/0
Current state: UP
Line protocol state: UP
Description: GigabitEthernet0/0 Interface
Bandwidth: 1000000 kbps
Maximum transmission unit: 1500
Allow jumbo frames to pass
Broadcast max-ratio: 100%
Multicast max-ratio: 100%
Unicast max-ratio: 100%
Internet address: 12.1.1.1/24 (Primary)
IP packet frame type: Ethernet II, hardware address: 28c0-6afa-0105
IPv6 packet frame type: Ethernet II, hardware address: 28c0-6afa-0105
Output queue - Urgent queuing: Size/Length/Discards 0/1024/0
Output queue - Protocol queuing: Size/Length/Discards 0/500/0
Output queue - FIFO queuing: Size/Length/Discards 0/75/0
Last link flapping: 0 hours 5 minutes 48 seconds
Last clearing of counters: Never
Current system time:2022-01-07 10:14:04
Last time when physical state changed to up:2022-01-07 10:08:15
Last time when physical state changed to down:2022-01-07 10:08:11
Peak input rate: 0 bytes/sec, at 00-00-00 00:00:00
Peak output rate: 0 bytes/sec, at 00-00-00 00:00:00
Last 300 second input: 1000 packets/sec 1000 bytes/sec 0%
Last 300 second output: 1000 packets/sec 1000 bytes/sec 0%
Input (total): 1000 packets, 1000 bytes
1000 unicasts, 1000 broadcasts, 1000 multicasts, 0 pauses
Input (normal): 0 packets, 0 bytes
0 unicasts, 0 broadcasts, 0 multicasts, 0 pauses
Input: 1000 input errors, 0 runts, 0 giants, 0 throttles
0 CRC, 0 frame, 0 overruns, 0 aborts
1000 ignored, 0 parity errors
Output (total): 1000 packets, 1000 bytes
1000 unicasts, 1000 broadcasts, 1000 multicasts, 0 pauses
Output (normal): 0 packets, 0 bytes
0 unicasts, 0 broadcasts, 0 multicasts, 0 pauses
Output: 1000 output errors, 0 underruns, 0 buffer failures
1000 aborts, 0 deferred, 0 collisions, 0 late collisions
0 lost carrier, 0 no carrier