我的 10gb/s 接口上丢弃了一定数量的数据包，在带有 Sup 720 的 Cisco 6500 上。在我清除计数器后，您可以在一分钟内看到丢弃的数据包数量。
我们没有看到任何性能下降，我们的客户也没有抱怨。将来这会成为一个严重的问题吗？我从未在队列中看到过一个数据包。我正在考虑将输入队列大小更改为 1024，因为默认情况下队列中有 75 个数据包，但我想知道为什么数据包在被丢弃之前根本不进入队列。在 1gb/s 接口上，我根本看不到任何丢弃的数据包，一切都很好。请帮助我解决队列丢失的问题。
sh int TenGigabitEthernet1/1
Hardware is C6k 10000Mb 802.3, address is 000f.3589.ac00 (bia 000f.3589.ac00)
Description: transit
Internet address is 192.0.2.1/24
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 84/255, rxload 3/255
Encapsulation ARPA, loopback not set
Keepalive not set
Full-duplex, 10Gb/s
input flow-control is off, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:01, output hang never
Last clearing of "show interface" counters 00:00:40
Input queue: 0/75/8097/0 (size/max/drops/flushes); Total output drops: 0 <-----
^^^^
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 138646000 bits/sec, 99380 packets/sec
5 minute output rate 3321988000 bits/sec, 329345 packets/sec
L2 Switched: ucast: 158 pkt, 51401 bytes - mcast: 0 pkt, 0 bytes
L3 in Switched: ucast: 4120795 pkt, 695621509 bytes - mcast: 0 pkt, 0 bytes mcast
L3 out Switched: ucast: 13774697 pkt, 17424995312 bytes mcast: 0 pkt, 0 bytes
3484933 packets input, 608041136 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 40 giants, 0 throttles
8097 input errors, 7120 CRC, 894 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
11742838 packets output, 14837984934 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out