At 07:08 PM 5/16/01, Priscilla Oppenheimer wrote:
>On the bright side, your reliability is still 255/255, which makes sense
>since only 597 out of 530182 frames have an input error. The ratio of bad
>frames to good frames is 0.001, which is OK.
>
>The port has received 231,187,726 bytes or 1,849,501,808 bits. We have to
>assume that each frame has just one bit error,
I meant to say each error frame has just one bit error! ;-)
>which might not be true, but
>there's no way to know otherwise. Making that assumption, and the
>assumption that I can do arithmetic (which is a stretch), your error rate
>is 597/1,849,501,808 which is about .0000003, or 3 out of 10^7.
>
>According to "experts" fiber-optic cabling should have a bit error rate of
>less than 1 in 10^11. Copper cabling should have a bit error rate of less
>than 1 in 10^6. If you are using copper cabling, then you are within the
>threshold.
>
>Is it copper cabling? Could there be electrical noise causing the errors?
>Is this server in a different location than the others? Did swapping the
>NIC reduce the rate? Perhaps the NIC outputs bad frames every so often.
>Please let us know what you find out. It will help us learn, though I think
>the "bottom line" answer is that you shouldn't worry about this low level
>of errors.
>
>Thanks!
>
>Priscilla
>
>
>At 02:32 AM 5/16/01, Keith Woodworth wrote:
> >On Wed, 16 May 2001, Circusnuts wrote:
> >
> >|+You say the ports are locked to 100/ Full on the 2924 ??? It sounds as
if
> >|+you have done the trouble shooting with the cables. Have you isolated
> >which
> >|+box this is coming from & then maybe moved to swap the NIC ??? How are
>you
> >|+reading the CRC errors ???
> >
> >Yup, pegged the ports manually to 100/full. I know which box this is
> >coming from and as it came with dual nics I will be shutting down the one
> >in use now and will bring up the other one and see if that helps.
> >
> >I do a sho int faste 0/22 and look at what comes up from there. This is
> >a full sho int on that port:
> >
> >FastEthernet0/22 is up, line protocol is up
> > Hardware is Fast Ethernet, address is 0004.27c2.2156 (bia
> >0004.27c2.2156)
> > MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation ARPA, loopback not set
> > Keepalive not set
> > Full-duplex, 100Mb/s, 100BaseTX/FX
> > ARP type: ARPA, ARP Timeout 04:00:00
> > Last input never, output 00:00:00, output hang never
> > Last clearing of "show interface" counters 04:46:18
> > Queueing strategy: fifo
> > Output queue 0/40, 0 drops; input queue 0/75, 0 drops
> > 5 minute input rate 91000 bits/sec, 27 packets/sec
> > 5 minute output rate 41000 bits/sec, 24 packets/sec
> > 530182 packets input, 231187726 bytes
> > Received 2 broadcasts, 0 runts, 0 giants, 0 throttles
> > 597 input errors, 290 CRC, 307 frame, 0 overrun, 0 ignored
> > 0 watchdog, 0 multicast
> > 0 input packets with dribble condition detected
> > 416336 packets output, 170466717 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 output buffer failures, 0 output buffers swapped out
> >
> >This is the only port to show any errors of the 6 ports in use. Ive
> >swapped ports, reset counters and still the CRC errors creep up.
> >
> >But next is the NIC on the box and see where that gets me.
> >
> >Thanks,
> >Keith
> >FAQ, list archives, and subscription info:
> >http://www.groupstudy.com/list/cisco.html
> >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
>
>________________________
>
>Priscilla Oppenheimer
>http://www.priscilla.com
>FAQ, list archives, and subscription info:
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________________________
Priscilla Oppenheimer
http://www.priscilla.com
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