Got a friend messing with a couple of these, I cant find a lot of info on
these cards really, anyone got a good troubleshooting site?
Brian
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=72067&t=72067
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FAQ, list archives,
Hi Cisco Buddy's,
first of all sorry for asking silly question:-
At the time of uploading the IOS in 6506..is there
any CRC check application is available. so before
uploading the IOS i will check threw CRC application.
Thanks & Regard
cilla Oppenheimer [mailto:[EMAIL PROTECTED]]
Sent: 18 December 2002 22:35
To: [EMAIL PROTECTED]
Subject: RE: Acceptable Amount of CRC Errors [7:59477]
On shared Ethernet, CRC errors are often the result of a collision.
Let's
leave that aside, however, and assume that you are referring to CRC
erro
On shared Ethernet, CRC errors are often the result of a collision. Let's
leave that aside, however, and assume that you are referring to CRC errors
on full-duplex Ethernet or serial links. CRC errors are caused by noise,
signal reflections, impedance mismatches, improperly installed de
ted errors. The input errors counter is therefore either the same
as, or higher than, the CRC counter. The occurence of errors and the input
and output difference should not exceed one percent (1.0 %) of traffic on
the interface."
Hope this helps.
Andrew
-Original Message-
From: Lupi
I remember looking at a link on Cisco's web site that stated an acceptable
threshold for CRC errors on an interface. I believe it was something like
CRCs could not exceed .001% of the total input packets on the interface.
Has anyone else seen this link, or one like it? I am trying to dete
it's either hardware failure on your end or circuit problems on the
local loop...
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Richard Campbell
Sent: Wednesday, December 11, 2002 11:45 PM
To: [EMAIL PROTECTED]
Subject: high CRC and runts err
By Cisco official way"Try replace cable with known good one" :D
And also check is it have EMI problem near the cable.. just my 2 cents
David
- Original Message -
1H%s*L: "Richard Campbell"
&,%s*L:
6G0e$i4A: 2002&~12$k12$i PM 03:45
%D&.: high CRC and
10:20
To: [EMAIL PROTECTED]
Subject: RE: high CRC and runts error [7:59049]
Try changing the cable.
-Original Message-
From: Richard Campbell [mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 12, 2002 2:45 AM
To: [EMAIL PROTECTED]
Subject: high CRC and runts error [7:59049]
Hi.. I
Try changing the cable.
-Original Message-
From: Richard Campbell [mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 12, 2002 2:45 AM
To: [EMAIL PROTECTED]
Subject: high CRC and runts error [7:59049]
Hi.. I have a switch port with high CRC and runts errors with no collision.
The
Hi.. I have a switch port with high CRC and runts errors with no collision.
The duplex and speed are match for PC and port. Anything can do with that?
switch5>sh int fas0/15
FastEthernet0/15 is up, line protocol is up
Hardware is Fast Ethernet, address is 00d0.790c.cccf (bia 00d0.790c.c
tingnetworks.com
www.priscilla.com
> Any
> suggestion to solve
> it?
>
> Thank you
>
> -Original Message-
> From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, October 01, 2002 1:50 AM
> To: [EMAIL PROTECTED]
> Subject: Re: why
t: Tuesday, October 01, 2002 1:50 AM
To: [EMAIL PROTECTED]
Subject: Re: why my input error and CRC always same [7:54516]
.
But, in this case, all the errors are CRC errors. This doesn't seem like a
duplex mismatch problem, then. If it were,
Tim Champion wrote:
>
> I would suggest that "input errors" is a general counter for
> all input
> errors and that these are then split down in to more sepcific
> error types,
> in this case CRC. Can anyone confirm this?
Yes, that's right.
Input errors is a
I would suggest that "input errors" is a general counter for all input
errors and that these are then split down in to more sepcific error types,
in this case CRC. Can anyone confirm this?
""Larry Letterman"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL
nge thing
>is that all the problem ports are all having the same error pattern-same
>number of input errors and CRC. The rest of errors are all zero-as shown
>below.Those other ports that have different number input errors and CRC
>are not having disconnection problem. Any idea w
input errors and CRC. The rest of errors are all zero-as shown
below.Those other ports that have different number input errors and CRC
are not having disconnection problem. Any idea what can I do on those
ports that having disconnection problem?
SW4>sh int fas0/21
FastEthernet0/21 is
ed
on this, you would have a problem on a daily basis.
The solution though depends on when the link goes down ... There probably is
a pattern to it!
-Original Message-
From: Gary Crouch [mailto:[EMAIL PROTECTED]]
Sent: 28 August 2002 19:02
To: [EMAIL PROTECTED]
Subject: CRC frame errors a
esday, August 28, 2002 12:02 PM
> To: [EMAIL PROTECTED]
> Subject: CRC frame errors and carrier transitions [7:52225]
>
>
> our WAN connections dies about once a month and we always get
> lots of frame
> error and carrier transitions
> Pac Bell does not have a clue to why
L PROTECTED]
Subject: CRC frame errors and carrier transitions [7:52225]
our WAN connections dies about once a month and we always get lots of
frame
error and carrier transitions
Pac Bell does not have a clue to why this is happening the have blamed
our
Equpment Cisco 3640 with Adtran TSU LS
Is this a frame-relay T1 or a P2P T1?
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=52229&t=52225
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Report misconduct and Nondisclosure violati
ts/sec, 14 packets/sec
350855 packets input, 175929333 bytes, 0 no buffer
Received 7602 broadcasts, 0 runts, 0 giants, 0 throttles
37509 input errors, 2081 CRC, 35414 frame, 0 overrun, 0 ignored, 8 abort
292361 packets output, 39591690 bytes, 0 underruns
0 output errors, 0
ECTED]] On Behalf Of
> Dain Deutschman
> Sent: Wednesday, August 14, 2002 10:26 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Catalyst 2950 CRC Errors [7:51419]
>
>
> Also...I have tested the wiring(basic tester...no NEXT/FEXT or other
> factors...but lengths of cable are u
EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Dain Deutschman
Sent: Wednesday, August 14, 2002 10:26 PM
To: [EMAIL PROTECTED]
Subject: Re: Catalyst 2950 CRC Errors [7:51419]
Also...I have tested the wiring(basic tester...no NEXT/FEXT or other
factors...but lengths of cable are under 50ft
he Catalyst Switch Counters, a packet transferred that
results in
the Carrier Sense Lost or Transmit Underrun incrementing on the 3Com NIC
will
cause at least one of the following counters to increase on the Switch:
Alignment, FCS, CRC, Input Errors, Receive Errors, and/or Runts.
Noting the errors and
We've had nothing but bad luck with the 3C905C NICs. We've purchased a
*bunch* of low-end Dell PCs that have that NIC and they tend to get the
blue screen of death and then reboot if they're connected to Cisco
switches, especially when STP is turned on. Very odd behavior and we
haven't found a s
Also...I have tested the wiring(basic tester...no NEXT/FEXT or other
factors...but lengths of cable are under 50ft) and replaced patch
cables...still no luck. Dain.
""Dain Deutschman"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hello Everyone,
>
> I have a Cat2950 in a small
Hello Everyone,
I have a Cat2950 in a small office throwing up thousands of CRCs, input
errors and several runts on the port connected to the server. Clients are
getting disconnected and database on server is constantly having to be
repaired. The errors always follow the server no matter which po
Behalf Of
Christophe Nemeth
Sent: Tuesday, February 12, 2002 5:23 AM
To: [EMAIL PROTECTED]
Subject: syslog message with UDP CRC error [7:35177]
Hi,
I have a 2620 running IOS Version 12.1(5)with FW feature set running.
I am trying to send syslog to an Information Security Management tool
(Netforensics
read them.
Checking more in details the packets, I see that all packets are coming with
a CRC error.
With all the other router I have, it works properly.
Does anybody already experienced that?
thanks for your input.
chris
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=3
Do U hear about wrong negociation with a 2900XL (version SA6 et 12.0xxx) and
C5000
I have many CRC & giants error in interface between a C2900XL and a C5000
with an ISL trunk the probleme occur with FEC and single link.
Have U an idea ?
Kind Regards.
Thierry DION
Reach me by ICQ#6469
lines)...7 times BT
> line.once bad configHDLC-SDLC
> once fauly port on cisco switch.
>
> let us know how you get on
>
> >From: "Symon Thurlow"
> >Reply-To: "Symon Thurlow"
> >To: [EMAIL PROTECTED]
> >Subject: Re: Help
)...7 times BT
line.once bad configHDLC-SDLC
once fauly port on cisco switch.
let us know how you get on
>From: "Symon Thurlow"
>Reply-To: "Symon Thurlow"
>To: [EMAIL PROTECTED]
>Subject: Re: Help with huge amount of Input/Frame and some CRC
Hi ,
i still think it
>From: "Symon Thurlow"
>Reply-To: "Symon Thurlow"
>To: [EMAIL PROTECTED]
>Subject: Re: Help with huge amount of Input/Frame and some CRC errors
>[7:21811]
>Date: Wed, 3 Oct 2001 04:01:58 -0400
>
>Thanks for the input Les,
&
Thanks for the input Les,
This isn't the case here, because if I get them around the wrong way,
there is no link at all.
I do get some traffic down this connection, probably about equivalent
to 14.4k...
Symon
---
> Hi people,
> I have experienced a similar problem using G703 ca
Hi people,
I have experienced a similar problem using G703 cards in a cisco 2620, in
this case it was a transposed pair in the building
wiring. That is the transmit and receive pairs were transmit to transmit and
receive to receive rather than transmit to
receive. Works fine with a loopback plug
e that the G703 converter is stuffedwe use BlackBox
> ones...and they SHOULD work straight out of the box...
>
>
>
> HTH
>
> steve
> >From: Symon Thurlow
> >To: [EMAIL PROTECTED]
> >Subject: Re: Help with huge amount of Input/Frame and
box...
Yes, that is what I was thinking, but the loopback tests are fine!?
Symon
>
>
>
> HTH
>
> steve
> >From: Symon Thurlow
> >To: [EMAIL PROTECTED]
> >Subject: Re: Help with huge amount of Input/Frame and some CRC
errors
> >[7:21647]
> >Date:
this a new install??
it IS possible that the G703 converter is stuffedwe use BlackBox
ones...and they SHOULD work straight out of the box...
HTH
steve
>From: Symon Thurlow
>To: [EMAIL PROTECTED]
>Subject: Re: Help with huge amount of Input/Frame and some CRC errors
>[7:
...(int
doesn`t understand the packet/frame it`s recieving)
CU
steve
>From: "Symon Thurlow"
>Reply-To: "Symon Thurlow"
>To: [EMAIL PROTECTED]
>Subject: Help with huge amount of Input/Frame and some CRC errors [7:21647]
>Date: Tue, 2 Oct 2001 04:47:46 -040
kets/sec
7055 packets input, 433584 bytes, 0 no buffer
Received 7055 broadcasts, 0 runts, 0 giants, 0 throttles
30613034 input errors, 4438685 CRC, 26174345 frame, 0 overrun, 0
ignored, 4
abort
8850 packets output, 838333 bytes, 0 underruns
0 output errors, 0 collisions,
Hi All
I need to monitor the CRC errors on one of my Cisco Routers interface using
SNMP.
Can any one provide me the OID for the same ?
The one that I knew about is locIfInCRC OID which has value
1.3.6.1.4.1.9.2.2.1.1.12 . Is it correct ?
Also I wanted to ask that if I need to monitor the
Hi All
I need to monitor the CRC errors on one of my Cisco Routers interface using
SNMP.
Can any one provide me the OID for the same ?
The one that I knew about is locIfInCRC OID which has value
1.3.6.1.4.1.9.2.2.1.1.12 . Is it correct ?
Also I wanted to ask that if I need to monitor the
d a 2610 router.
> the purpose of the exercise is to have the 2621 as the main router
trunking
> vlans from the switch using isl when I use the 2610 as a backup router and
> configure hsrp all seems fine the hsrp works great as in the multicast
> packets hsrp uses don't get drop bu
works great as in the multicast
packets hsrp uses don't get drop but all other input traffic has crc errors.
can any one help with this little problem as in is it a hardware
incompatiblity a proble with the ios (using version 12.0.10) or is it just
not possible.
D'Wayn
s on the router, each is connected to a separate Catalyst
>3500 XL switch. The two switch ports are hard set to 10 MBS, duplex
>autonegotiate, spanning-tree on, portfast on. I am seeing collisions and
>crc errors on the switch ports that are connected to "router1". The
>remain
is thread for your progress
Phil
- Original Message -
From: "Jim McDowell" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 27, 2001 6:00 PM
Subject: CRC errors on Catalyst 3500 XL port
> Hi,
>
> I have a 3640 ("router1") with I
;). There
are
two Ethernet ports on the router, each is connected to a separate
Catalyst
3500 XL switch. The two switch ports are hard set to 10 MBS, duplex
autonegotiate, spanning-tree on, portfast on. I am seeing collisions
and
crc errors on the switch ports that are connected to "route
ROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 27, 2001 2:00 PM
Subject: CRC errors on Catalyst 3500 XL port
> Hi,
>
> I have a 3640 ("router1") with IOS v11.2 which is routing between IP
subnets
> (class "c" with a one bit subnet mask - using
h ports are hard set to 10 MBS, duplex
autonegotiate, spanning-tree on, portfast on. I am seeing collisions and
crc errors on the switch ports that are connected to "router1". The
remainder of the switch ports ( with the exception of a few ports which I'll
explain shortly ) are connect
TECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Tony van Ree
> Sent: Tuesday, March 06, 2001 11:06 PM
> To: Stephen Robichaud; [EMAIL PROTECTED]
> Subject: Re: CRC errors on ISDN Interface
>
>
> Hi,
>
> There are several places this can break. IF the line tests ok I
>
d wrote:
> I have a problem with an ISDN circuit that keeps on dropping off. When I
> look at the BRI interface I see CRC errors. I have swapped out the patch
> cable going to the providers jack, I swapped out the router and the ISDN WIC
> but I still keep on getting the CRC errors. The
d it. ;-) Let the group know
how you make out.
Craig
At 01:38 PM 3/6/2001 -0500, you wrote:
>I have a problem with an ISDN circuit that keeps on dropping off. When I
>look at the BRI interface I see CRC errors. I have swapped out the patch
>cable going to the providers jack, I swapped o
with too many "High Cap" circuits in a
bundle. ISDN (like DSL) is very susceptible to noise or bleed.
Good Luck
Phil
- Original Message -
From: "Stephen Robichaud" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 06, 2001 4:38 PM
Subject: CR
are you using voice modems or is it strickly isdn data?
-Original Message-
From: Stephen Robichaud [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, March 06, 2001 1:39 PM
To: [EMAIL PROTECTED]
Subject:CRC errors on ISDN Interface
I have a problem with an ISDN circuit that keeps
I have a problem with an ISDN circuit that keeps on dropping off. When I
look at the BRI interface I see CRC errors. I have swapped out the patch
cable going to the providers jack, I swapped out the router and the ISDN WIC
but I still keep on getting the CRC errors. The provider has checked
What are CRC errors on a fiber link indicative of? The fiber tests pass on
both channels.
_
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Hi,
Didn't see any CRC errors on your show int results.
The CRC 16 refer there is the 16-bit CRC used for that interface. It's not
an error.
Thanks.
At 02:33 AM 11/6/2000 -0800, Study Cisco wrote:
>Hi all
>
>Can any one tell me when we get CRC like show as
>foll
Hi all
Can any one tell me when we get CRC like show as
follows, what could be the problem, I am getting this
on a serial interface (WIC) on E1 (2Mb) link.
Thanks an adv.
MTU 1500 bytes, BW 2048 Kbit, DLY 2 usec, rely
254/255
some thing to do when you have crc errors:
1. open a tbl tkt with your carrier (they should do extensive tests)
2. verify that timing is slave and not master
3. verify that your ports and cables are good
4. make sure your csu looks for the appropriate number of channels (fract T
ckt
Can be many possibilities could be clock rate on modem not set to exact
speed. fautly modem etc
Jason
-Original Message-
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: 10/23/00 6:50 AM
Subject: CRC error
Hi cisco guru,
I have a lease line(connected to serial port).I get about 60
l Message-
> From: Ramesh c [mailto:[EMAIL PROTECTED]]
> Sent: 23 October 2000 12:50
> To: [EMAIL PROTECTED]
> Subject: CRC error
>
>
> Hi cisco guru,
>
> I have a lease line(connected to serial port).I get
> about 60% crc error per
> day on the line.What
some thing to do when you have crc errors:
1. open a tbl tkt with your carrier (they should do extensive tests)
2. verify that timing is slave and not master
3. verify that your ports and cables are good
4. make sure your csu looks for the appropriate number of channels (fract T
ckt
ECTED]>
udy.com cc:
Subject: Re: CRC error
try the loop back test first
Is there any strong magnetic field aroud you, check the CSU/DSU too
Sam LI
- Original Message -
From: McCallum, Robert <[EMAIL PROTECTED]>
To: 'Ramesh c' <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, October 23, 2000 9:
phone the carrier and get them to test their line. If they say that it is
fine then check your g703 cables.
-Original Message-
From: Ramesh c [mailto:[EMAIL PROTECTED]]
Sent: 23 October 2000 12:50
To: [EMAIL PROTECTED]
Subject: CRC error
Hi cisco guru,
I have a lease line(connected
Hi cisco guru,
I have a lease line(connected to serial port).I get about 60% crc error per day on the
line.What could be the cause and any solutions?
Thanks
Regards
Ramesh
Get FREE Email/Voicemail with 15MB at Lycos Communications at http://comm.lycos.com
niffer training. The
concept is that since you probably don't know actual frame sizes, use bytes
in your calculation instead. The goal is to emulate a Bit Error Rate (BER)
despite the fact that you are dealing with CRC errors in frames and
probably don't have a BER tester (BERT) handy.
You s
It occurs to me that one CRC error per packet is bad news, no matter what
their size ;->
Chuck
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Priscilla Oppenheimer
Sent: Thursday, August 31, 2000 3:24 PM
To: Rossetti, Stan; '[EMAIL P
Since we have been quoting Cisco statistics lately, here's one that is
actually quite helpful. Cisco says you should not have more than one CRC
error per megabyte of data on a serial link. The reason they use megabytes
instead of packets is because it's hard to know how big your p
Does anybody know what is considered to be high CRC errors on a serial line.
I have seen 26 crc errors over last 70 hours (8,980,742 input packets) appr.
= 2.895 x 10 -6 error rate (26/8,980,742).
Is the error rate formula (crc error total)/(input error packets). Or is it
(crc error total
At what layer or layers are trailers added during the process of
encapsulation as described by the OSI model? Is the only trailer the CRC for
error checking? Is the CRC trailer added at the Data Link or the Physical
layer?
___
UPDATED Posting Guidelines: http
ssage-
From: Stull, Cory [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 09, 2000 2:13 PM
To: [EMAIL PROTECTED]
Subject: frame-relay CRC
What would cause a frame-relay CRC?
Rx CRC Exceptions Hour Day
#Frames %Max Hour Thresh 05 Wed 2523 13.0028 0.0100 21 Thu 3065 6.3095
0.0100
I logged into AT
CRC errors are physical layer errors. First thing to do is to have the line
checked. (I have experienced many times where I had to prove to the service
provider that the error was on their side and not on our client's equipment.
Even though they claimed that the line tested fine).
Brad
packet corruptions
""Stull, Cory"" <[EMAIL PROTECTED]> wrote in message
0D7A05A19CE4D211BD050008C7330FE7147A18@CCUPDC">news:0D7A05A19CE4D211BD050008C7330FE7147A18@CCUPDC...
> What would cause a frame-relay CRC?
>
> Rx CRC Exceptions Hour Day
> #Fram
What would cause a frame-relay CRC?
Rx CRC Exceptions Hour Day
#Frames %Max Hour Thresh 05 Wed 2523 13.0028 0.0100 21 Thu 3065 6.3095
0.0100
I logged into AT&Ts web site to look at a companies frame-relay statistics
that is having problems and they are receiving CRC errors at the frame
sw
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