what is 'output errors' in 'sh int 'command ?

[dataline]

FastEthernet0 is up, line protocol is up

Hardware is PQUICC_FEC, address is xxxxx

Internet address is xxxxxxx

MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 100Mb/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

Input queue: 3/75/788/0 (size/max/drops/flushes); Total output drops: 0

Output queue (queue priority: size/max/drops):

high: 0/20/0, medium: 0/40/0, normal: 0/60/0, low: 0/80/0

5 minute input rate 119000 bits/sec, 38 packets/sec

5 minute output rate 223000 bits/sec, 52 packets/sec

18088660 packets input, 3005334673 bytes

Received 597 broadcasts, 0 runts, 0 giants, 0 throttles

121 input errors, 0 CRC, 0 frame, 121 overrun, 0 ignored

0 watchdog

0 input packets with dribble condition detected

19793114 packets output, 601091835 bytes, 1190 underruns

1194 output errors, 0 collisions, 4 interface resets

0 babbles, 0 late collision, 0 deferred

4 lost carrier, 0 no carrier

0 output buffer failures, 0 output buffers swapped out

In above o/p for 'sh int f0', I found '1194 output errors'.So can anyone help me ? I would like to know what could be cause for these errors on f0 port? bad ethernet cable,bad port,excess traffic on that port Or any other possible reasons?

[Richard Burts]

Arun

I believe that the 1194 output errors that you observe is related to the 1190 underruns reported on the interface. An underrun is when the interface starts to transmit a frame and transmits faster than the data is transferred from the I/O buffer to the interface output.

HTH

Rick

[nhabib]

A good link that describes all the fields is located at:

http://www.netacad.lania.mx/ins/Ethernet.htm

[dataline]

Thanks Nadim that was very helpfull link.