Thanks for the tip, I will definitely look into this after I clear that log,
I actually requested today the carrier provider
to monitor the circuit for 48 hours. First thing I'll do is clear that log.
I will update these results for the group once I get a solid resolution.
----- Original Message -----
From: "John Neiberger" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 31, 2000 6:22 PM
Subject: Re: T1 Serial Link, Carrier problems ! Need imput
> You definitely should be concerned about this situation. On a properly
> functioning circuit, you shouldn't have any input errors, but that's in a
> perfect world. One or two from time to time is expected, but 450,000 is
> WAAAAAAAAAAYYY too many! 128 isn't too awful, depending on how recently
> your counters were cleared, but it warrants some more investigation also.
>
> I suggest you clear your logs and counters and then watch the circuit for
> more errors. The next time you see a burst of errors, assuming this is
> intermittent and not consistent, call your provider and specifically
mention
> that this is a chronic problem that has not been resolved satisfactorily
> after several trouble tickets have been opened and "closed." If a
"chronic"
> tag is placed on that circuit ID, they'll look a little closer...usually.
> And, often there is a supervisor of some sort making sure they follow up
and
> get it resolved. If they don't do this for you, switch providers!
>
> This type of behavior could be caused by a bad CSU/DSU, but it's almost
> always a problem with the provider's equipment or handiwork. Often all
they
> need to do is repunch a few cross connects or replace some of their
> whosiwhatsits that are always going bad. Whatever the cause, they should
be
> willing to work on a chronic problem that is this bad until it's resolved
to
> your satisfaction.
>
> Good luck, and let us all know how this works out!
>
> John Neiberger, CCNA/CCDA
>
> > Just wanted to ask if the following serial links traffic information is
> > normal.Both links appear to be in grate shape during business hours,
> > however, Drouter1 T1 serial
> > link has presented problems from the carrier provider few times, the
> > telephone company always comes up saying that prolems have been fixed
> when
> > they are not.
> > When I compare the information on on the serial interfaces for the two
> > routers,I noticed from drouter1
> > 449441 input errors, 449442 CRC, 0 frame, 0 overrun, 0 ignored, 0
abort,
> is
> > this caused by cerrier circuit quality ? Is it
> > saomething I should be concern about from my end ?
> >
> >
> > from drouter2 which presents no problems at all I noticed
> > 128 input errors, 128 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort.
> >
> >
> > Below is the configuration and traffic information.
> >
> > DROUTER1/ Has presented problems
> > Serial0 is up, line protocol is up
> > Hardware is MK5025
> > Description: Link to Denver
> > Internet address is 10.168.2.2/24
> > MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 15/255
> > Encapsulation HDLC, loopback not set, keepalive set (10 sec)
> > Last input 00:00:00, output 00:00:00, output hang never
> > Last clearing of "show interface" counters never
> > Input queue: 0/75/0 (size/max/drops); Total output drops: 3
> > Queueing strategy: weighted fair
> > Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> > Conversations 0/24/256 (active/max active/max total)
> > Reserved Conversations 0/0 (allocated/max allocated)
> > 5 minute input rate 185000 bits/sec, 79 packets/sec
> > 5 minute output rate 93000 bits/sec, 74 packets/sec
> > 5966461 packets input, 1886297446 bytes, 0 no buffer
> > Received 512335 broadcasts, 0 runts, 0 giants, 0 throttles
> > 449441 input errors, 449442 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> > 5721635 packets output, 1966272482 bytes, 0 underruns
> > 0 output errors, 0 collisions, 13 interface resets
> > 0 output buffer failures, 0 output buffers swapped out
> > 43 carrier transitions
> >
> >
> > DROUTER2 - T1 Circuit operates normally
> > drouter2>show int s0
> > Serial0 is up, line protocol is up
> > Hardware is MK5025
> > Description: Link to Chicago
> > Internet address is 10.168.1.2/24
> > MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255
> > Encapsulation HDLC, loopback not set, keepalive set (10 sec)
> > Last input 00:00:03, output 00:00:02, output hang never
> > Last clearing of "show interface" counters never
> > Input queue: 0/75/0 (size/max/drops); Total output drops: 0
> > Queueing strategy: weighted fair
> > Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> > Conversations 0/12/256 (active/max active/max total)
> > Reserved Conversations 0/0 (allocated/max allocated)
> > 5 minute input rate 18000 bits/sec, 5 packets/sec
> > 5 minute output rate 1000 bits/sec, 3 packets/sec
> > 692741 packets input, 136788669 bytes, 0 no buffer
> > Received 17091 broadcasts, 0 runts, 0 giants, 0 throttles
> > 128 input errors, 128 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> > 367369 packets output, 33102788 bytes, 0 underruns
> > 0 output errors, 0 collisions, 1 interface resets
> > 0 output buffer failures, 0 output buffers swapped out
> > 17 carrier transitions
> >
> > Jorge Rodriguez /CCNA
> > Network Analyst
> > R&S Networks Inc
> > 1112 Boylston Street
> > Suite 222
> > Boston, MA 02115
> > 1-781-614-1294
> > http://www.netwire.n3.net/
> > http://www.learncisco.n3.net/
> >
> > ........................................................
> > iWon.com http://www.iwon.com why wouldn't you?
> > ........................................................
> >
> > ___________________________________
> > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
> > FAQ, list archives, and subscription info: http://www.groupstudy.com
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
>
>
>
>
> _______________________________________________________
> Get 100% FREE Internet Access powered by Excite
> Visit http://freelane.excite.com/freeisp
>
> ___________________________________
> UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
> FAQ, list archives, and subscription info: http://www.groupstudy.com
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
___________________________________
UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
FAQ, list archives, and subscription info: http://www.groupstudy.com
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
