Input errors is the sum of the errors, not an individual error in of itself.
If you have 93 runts, the input error is reported as 93.  If you had 93
runts and 1 giant, the nput errors would be 94.

How long is the cable between the router and switch.  I've seen tiny cords
cause this error.  I think the minimum length for ethernet is 3 meters.


""Andrew Larkins""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I understand that there are collisions in half duplex due to the nature of
> Ethernet here - having to see if it is clear to transmit first. What I
don't
> understand is why there are runt frames that are exactly the same number
as
> the input errors. I have tried moving the cable to another switchport and
> the same issue - at least the switch is not a problem now.
>
> A runt frame is a packet that is less than 64 bytes with a bad CRC -
> collisions would cause this, but so many??
>
> -----Original Message-----
> From: Steven A. Ridder [mailto:[EMAIL PROTECTED]]
> Sent: 03 January 2002 13:30 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Excess collisions on Ethernet interface [7:30769]
>
>
> errors in half duplex mode is nomal.
>
>
> ""Andrew Larkins""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > both are hardcoded to 10MB half duplex. I am getting input errors on the
> > switch. Strangley enough the numbers of these errors are the same as the
> > runt frames.
> >
> > -----Original Message-----
> > From: McCallum, Robert [mailto:[EMAIL PROTECTED]]
> > Sent: 03 January 2002 13:00 PM
> > To: 'Andrew Larkins'
> > Subject: RE: Excess collisions on Ethernet interface [7:30769]
> >
> >
> > sorry, check that your router (3640) is set to half duplex 10 meg.
> >
> > -----Original Message-----
> > From: Andrew Larkins [mailto:[EMAIL PROTECTED]]
> > Sent: 03 January 2002 11:08
> > To: McCallum, Robert; Cisco Mail List
> > Subject: RE: Excess collisions on Ethernet interface [7:30769]
> >
> >
> > Output from the Ethernet interface on the switch
> >
> > FastEthernet0/1 is up, line protocol is up
> >   Hardware is Fast Ethernet, address is 0003.e335.6f01 (bia
> 0003.e335.6f01)
> >   Description: Ethernet Connection to Cisco 3640 router
> >   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
> >      reliability 254/255, txload 2/255, rxload 5/255
> >   Encapsulation ARPA, loopback not set
> >   Keepalive not set
> >   Half-duplex, 10Mb/s, 100BaseTX/FX
> >   ARP type: ARPA, ARP Timeout 04:00:00
> >   Last input 00:00:52, output 00:00:00, output hang never
> >   Last clearing of "show interface" counters 00:04:23
> >   Queueing strategy: fifo
> >   Output queue 0/40, 0 drops; input queue 0/75, 0 drops
> >   5 minute input rate 219000 bits/sec, 41 packets/sec
> >   5 minute output rate 92000 bits/sec, 73 packets/sec
> >      12575 packets input, 8630619 bytes
> >      Received 399 broadcasts, 93 runts, 0 giants, 0 throttles
> >      93 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> >      0 watchdog, 63 multicast
> >      0 input packets with dribble condition detected
> >      22161 packets output, 3425558 bytes, 0 underruns
> >      0 output errors, 88 collisions, 0 interface resets
> >      0 babbles, 0 late collision, 356 deferred
> >      0 lost carrier, 0 no carrier
> >      0 output buffer failures, 0 output buffers swapped ou
> >
> > -----Original Message-----
> > From: McCallum, Robert [mailto:[EMAIL PROTECTED]]
> > Sent: 03 January 2002 12:36 PM
> > To: 'Andrew Larkins'
> > Subject: RE: Excess collisions on Ethernet interface [7:30769]
> >
> >
> > Andrew,
> >
> > Check that your 3548 is configured as 10meg half duplex as well (NOT
> > AUTOSENSE)
> >
> > -----Original Message-----
> > From: Andrew Larkins [mailto:[EMAIL PROTECTED]]
> > Sent: 03 January 2002 10:10
> > To: [EMAIL PROTECTED]
> > Subject: Excess collisions on Ethernet interface [7:30769]
> >
> >
> > Hi all,
> >
> > I have a 10MB Ethernet interface (1E2W) that is showing the following
> > message:
> >
> > Jan  3 11:47:32: %AMDP2_FE-6-EXCESSCOLL: Ethernet0/0 TDR=3, TRC=0
> >
> > I am assuming that this is the cause of the deferred packets. This port
is
> > configured as half duplex and connects to a Cisco 3548 switch.  What
also
> > bothers me is the number of broadcasts here.. - is this not too high??
> >
> > The point here is that users are complaining about slow response times -
> > From my pings etc, things seem to be fine. Any idea's?
> >
> > xxxxxxx>sho int e0/0
> > Ethernet0/0 is up, line protocol is up
> >   Hardware is AmdP2, address is 00e0.1e94.d8c1 (bia 00e0.1e94.d8c1)
> >   Description: Local LAN
> >   Internet address is 10.x.x.x/21
> >   MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
> >      reliability 255/255, txload 1/255, rxload 4/255
> >   Encapsulation ARPA, loopback not set
> >   Keepalive set (10 sec)
> >   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 00:28:57
> >   Input queue: 4/75/31/0 (size/max/drops/flushes); Total output drops: 0
> >   Queueing strategy: fifo
> >   Output queue :0/40 (size/max)
> >   5 minute input rate 165000 bits/sec, 48 packets/sec
> >   5 minute output rate 77000 bits/sec, 30 packets/sec
> >      117274 packets input, 53901769 bytes, 0 no buffer
> >      Received 21256 broadcasts, 0 runts, 0 giants, 0 throttles
> >      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> >      0 input packets with dribble condition detected
> >      51866 packets output, 20407116 bytes, 0 underruns
> >      25 output errors, 1858 collisions, 0 interface resets
> >      0 babbles, 0 late collision, 695 deferred
> >      0 lost carrier, 0 no carrier
> >      0 output buffer failures, 0 output buffers swapped out




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