DSZX#show interfaces
FastEthernet0/0 is up, line protocol is up
Hardware is AmdFE, address is 0007.0eeb.b9c0 (bia 0007.0eeb.b9c0)
Description: fast
Internet address is 10.0.0.1/24
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 25/255, rxload 4/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Half-duplex, 10Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 30781 drops; input queue 0/75, 0 drops
5 minute input rate 182000 bits/sec, 263 packets/sec
5 minute output rate 1019000 bits/sec, 197 packets/sec
831974803 packets input, 1658917285 bytes
Received 33380932 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
602551196 packets output, 2044222764 bytes, 6 underruns
28426 output errors, 136769844 collisions, 29 interface resets
0 babbles, 23 late collision, 30956616 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Above it : Is there a problem network out of the fastethernet 0/1?
too much collisions .