4006#sh int fa3/34<br />FastEthernet3/34 is up, line protocol is up<br />  Hardware is Fast Ethernet Port, address is 0009.b78d.9411 (bia 0009.b78d.9411)<br />  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,<br />     reliability 255/255, txload 1/255, rxload 1/255<br />  Encapsulation ARPA, loopback not set<br />  Keepalive set (10 sec)<br />  Full-duplex, 100Mb/s<br />  ARP type: ARPA, ARP Timeout 04:00:00<br />  Last input 02:36:18, output never, output hang never<br />  Last clearing of &quot;show interface&quot; counters never<br />  Input queue: 8910863/2000/0/0 (size/max/drops/flushes); Total output drops: 0<br />  Queueing strategy: fifo<br />  Output queue: 0/40 (size/max)<br />  5 minute input rate 0 bits/sec, 0 packets/sec<br />  5 minute output rate 0 bits/sec, 0 packets/sec<br />     216037894 packets input, 3678287113 bytes, 0 no buffer<br />     Received 15703825 broadcasts, 0 runts, 0 giants, 0 throttles<br />     <span style='color:red'>2764471 input errors, 790696 CRC, 0 frame, 0 overrun, 0 ignored</span>     0 input packets with dribble condition detected<br />     214565832 packets output, 3420812677 bytes, 0 underruns<br />     0 output errors, 0 collisions, 0 interface resets<br />     0 babbles, 0 late collision, 0 deferred<br />     1 lost carrier, 0 no carrier<br />     0 output buffer failures, 0 output buffers swapped out<br />－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－<br /><br />红色部分为什么这么多错误？

出错1/1000<br /><br />不知道算不算高

一般为链路故障