Output errors on an interface of etherchannel

Hi all,
I
have 2 interfaces which are a part of an etherchannel link from Core
switch 2 to back up servers These 2 interfaces are displaying output errors
This core switch 2 has an connection to a 3550 to which a linux server is attached
Backup is been performed from linux server to the backup servers everyday and we see a network performance issue as backup take way too long.
Lnx server is attached to 3550 at 100/ full connection on port fa0/17 and there is no duplex mismatch issues, port fa0/17 has underrun errors (see attachment)
Core switch 2 has port gi5/15 and gi5/16 in the etherchannel and are on 1000/full connection (see attachment)
Can anybody provide me a solution for this problem
Thanks
Attachments:
Core 2.txt.zip (1.0 K)
3550.txt.zip (869 bytes)
Hi,
Following are the observation of interface logs of 3550:-
There have been 8414 'output buffer failures' reported. If outgoing interface buffers are not available, an output buffer failure is reported.If an interface buffer is available but the Transmit Queue Limit is reached, the packet is dropped. However, if 'transmit-buffers backing-store' is enabled, the packet is placed in a System Buffer (which has to be obtained from an appropriate Free-List), and enqueued in the Output Hold queue for future transmission at the Process level, and an Output Buffer Swap is reported.
and 8414 'underruns' have been reported, which amounts to 0.00514% of the total input traffic. This is because, the far-end transmitter runs faster than
the receiver of the near-end router can handle.
Check out this:- Monitor the level of underruns over time. If they continue increasing, consider buffer and queue tuning or upgrading hardware.
Check out the below link for buffer tuning
http://www.cisco.com/en/US/customer/products/hw/routers/ps133/products_tech_note09186a00800a7b80.shtml
Hope to help !!
Ganesh.H
Cisco are currently donating money to the Haiti earthquake appeal for every rating so please consider rating all helpful posts.

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vmnic0 and 1 are for Management only
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NIC statistics for vmnic0
Packets received: 183853406
Packets sent: 14248
Bytes received: 15109232248
Bytes sent: 10860364
Receive packets dropped: 0
Transmit packets dropped: 0
Total receive errors: 0
Receive length errors: 0
Receive over errors: 0
Receive CRC errors: 0
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
Total transmit errors: 0
Transmit aborted errors: 0
Transmit carrier errors: 0
Transmit FIFO errors: 0
Transmit heartbeat errors: 0
Transmit window errors: 0
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NIC statistics for vmnic1
Packets received: 216684173
Packets sent: 78566218
Bytes received: 47589164213
Bytes sent: 83540882074
Receive packets dropped: 27
Transmit packets dropped: 0
Total receive errors: 17
Receive length errors: 0
Receive over errors: 0
Receive CRC errors: 17
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
Total transmit errors: 0
Transmit aborted errors: 0
Transmit carrier errors: 0
Transmit FIFO errors: 0
Transmit heartbeat errors: 0
Transmit window errors: 0
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NIC statistics for vmnic2
Packets received: 2308445804
Packets sent: 1769198467
Bytes received: 760268005329
Bytes sent: 1007781294817
Receive packets dropped: 5801
Transmit packets dropped: 0
Total receive errors: 4
Receive length errors: 0
Receive over errors: 0
Receive CRC errors: 4
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
Total transmit errors: 0
Transmit aborted errors: 0
Transmit carrier errors: 0
Transmit FIFO errors: 0
Transmit heartbeat errors: 0
Transmit window errors: 0
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NIC statistics for vmnic3
Packets received: 3515742297
Packets sent: 1260747637
Bytes received: 795264860939
Bytes sent: 382208295578
Receive packets dropped: 0
Transmit packets dropped: 0
Total receive errors: 179
Receive length errors: 0
Receive over errors: 179
Receive CRC errors: 0
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
Total transmit errors: 0
Transmit aborted errors: 0
Transmit carrier errors: 0
Transmit FIFO errors: 0
Transmit heartbeat errors: 0
Transmit window errors: 0
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NIC statistics for vmnic4
Packets received: 4822791
Packets sent: 13
Bytes received: 660278761
Bytes sent: 832
Receive packets dropped: 0
Transmit packets dropped: 0
Total receive errors: 0
Receive length errors: 0
Receive over errors: 0
Receive CRC errors: 0
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
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Transmit aborted errors: 0
Transmit carrier errors: 0
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Transmit heartbeat errors: 0
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Packets received: 129866853
Packets sent: 43742076
Bytes received: 186885321654
Bytes sent: 51537911982
Receive packets dropped: 53669
Transmit packets dropped: 0
Total receive errors: 8
Receive length errors: 0
Receive over errors: 0
Receive CRC errors: 8
Receive frame errors: 0
Receive FIFO errors: 0
Receive missed errors: 0
Total transmit errors: 0
Transmit aborted errors: 0
Transmit carrier errors: 0
Transmit FIFO errors: 0
Transmit heartbeat errors: 0
Transmit window errors: 0

Error in Financial Interface

Hi Friends,
In invoice posting we are getting posting status as " Error in Financial Interface" What is to be checked?
The background program runs once a day and sometimes we get this error for the document, But if the same Debit / Credit memo is released through VF02 then we have no error.
Any help in this issue would be great.
Venkat.

Hi JC,
Following reasons for error `Error in Accounting interface` when releasing SD Billing document to Accounting
1. Output tax code is not defined / assigned to the GL Account
2. Product Cost estimate calculated with wrong consting variant
3. Assignment of Costing element to value field T code KE4R
4. SD condition is not assigned to COPA
Please check and let us know the outcome.
Regards,
Santosh

DMVPN in Cisco 3945 output drop in tunnel interface

I configured DMVPN in Cisco 3945 and checked the tunnel interface. I found out that I have output drop. How can I remove that output drop? I already set the ip mtu to 1400.
CORE-ROUTER#sh int tunnel 20
Tunnel20 is up, line protocol is up
Hardware is Tunnel
Description: <Voice Tunneling to HO>
Internet address is 172.15.X.X./X
MTU 17878 bytes, BW 1024 Kbit/sec, DLY 50000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
Encapsulation TUNNEL, loopback not set
Keepalive not set
Tunnel source 10.15.X.X (GigabitEthernet0/1)
   Tunnel Subblocks:
      src-track:
         Tunnel20 source tracking subblock associated with GigabitEthernet0/1
          Set of tunnels with source GigabitEthernet0/1, 1 member (includes iterators), on interface <OK>
Tunnel protocol/transport multi-GRE/IP
    Key 0x3EA, sequencing disabled
    Checksumming of packets disabled
Tunnel TTL 255, Fast tunneling enabled
Tunnel transport MTU 1438 bytes
Tunnel transmit bandwidth 8000 (kbps)
Tunnel receive bandwidth 8000 (kbps)
Tunnel protection via IPSec (profile "tunnel_protection_profile_2")
Last input 00:00:01, output never, output hang never
--More--         Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 7487
Queueing strategy: fifo
Output queue: 0/0 (size/max)
30 second input rate 0 bits/sec, 0 packets/sec
30 second output rate 0 bits/sec, 0 packets/sec
     48007 packets input, 4315254 bytes, 0 no buffer
     Received 0 broadcasts (0 IP multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
     42804 packets output, 4638561 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 unknown protocol drops
     0 output buffer failures, 0 output buffers swapped out
interface Tunnel20
description <Bayantel Voice tunneling>
bandwidth 30720
ip address 172.15.X.X 255.255.255.128
no ip redirects
ip mtu 1400
no ip next-hop-self eigrp 20
no ip split-horizon eigrp 20
ip nhrp authentication 0r1x@IT
ip nhrp map multicast dynamic
ip nhrp network-id 1002
ip nhrp holdtime 300
ip tcp adjust-mss 1360
tunnel source FastEthernet0/0/1
tunnel mode gre multipoint
tunnel key 1002
tunnel protection ipsec profile tunnel_protection_profile_2 shared

Hi,
Thanks for the input. If the radio is sending out the packet but client did not receive, not output drop should be seen since packet is sent out, right?
From my understanding, output drop is related to congested interface. Outgoing interface cannot take the rate packets coming in and thus droping it. What I don't understand is input and output rate has not reached limit yet. Also input queue is seeing drop of packet as well even though input queue is empty.
Any idea?

Output errors, Transmit discards and big buffer errors on 1121 AP

I have a AIR-AP1121G-A-K9 running c1100-k9w7-tar.123-7.JA2 (Autonomous)
We have monitoring setup with Orion NPM and we consistently see output errors, Transmit discards and big buffer errors
The users at the site have not reporting any issues but was wondering how to prevent these or are these normal?
What causes the output errors on Wireless Radio ? How to troubleshoot further ?
Radio0-802.11G
Total Output Errors         0              47749
Small Buffer Misses
4 misses
139 misses
Medium Buffer Misses
117 misses
249 misses
Big Buffer Misses
62 misses
8982 misses
Dot11Radio0 is up, line protocol is up
MTU 1500 bytes, BW 54000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
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: 0/75/479/0 (size/max/drops/flushes); Total output drops: 245980
Queueing strategy: fifo
Output queue: 0/30 (size/max)
5 minute input rate 48000 bits/sec, 25 packets/sec
5 minute output rate 34000 bits/sec, 22 packets/sec
     32482389 packets input, 2056095954 bytes, 0 no buffer
     Received 1622227 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
     44289160 packets output, 1268314927 bytes, 0 underruns
     47752 output errors, 0 collisions, 1 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out
Thanks

This is normal.
Remember that wireless network is like a hub: One talks and everyone stops to listen and waits for their turn.

Linux and PCI-485/8. Write failed:Input/Output error

i am running red hat linux and installed my pci-485/8 serial card. actually, the machine is dual boot with windows nt 4.0 and the card works fine under nt. i followed all the instructions in the ni document "notes to users" entitled "using pci serial with linux". when i finally run serialtest i just get the error message above: Write failed:Input/output error.
not much to go on. any advice???

There are few things that we can try to trouble shoot this problem.
Try uninstalling driver for Win NT completely and reinstalling driver for Linux and see whether that solves the problem.
If that doesn't solve the problem then try using a different Linux machine ( if you have access to ) for the same card. The card works under Win NT that means card is fine and there is no hardware issue associated with this problem.
Try recompiling your serialtest.c :
Enter the following to recompile serialtest.c and rerun serialtest.
(Also, the source code for serialtest is available for editing and viewing
at serialtest.c, provided in the PCI-SERIAL directory.)
linux PCI-SERIAL# gcc serialtest.c -o serialtest
linux PCI-SERIAL# ./serialtest < receive port numbe
r>
< transmit port number>
If serialtest hangs:
Make sure the interface is seated correctly and tighten the screw that holds
the interface in place. Also, make sure the cables are attached to the correct
ports. In some cases, serialtest hangs if the transceiver modes
(PCI-485) are not set. Try setting both transmit and receive ports to
transceiver mode 0 (Four-Wire Mode).
linux# ./rs485 < transmit port number> 0
linux# ./rs485 < receive port number> 0
linux# ./serialtest < receive port number> < transmit port number>
See the attached file for more information.
Attachments:
322539a.pdf ‏138 KB

External Hard Drive Input/Output error

I recently started having problems with an external hard drive setup that I did not have problems with prior to upgrading to 10.5.5 and trying to setup the drive to be compatible with Time Machine.
The hard drive enclosure that I have has 2 bays for two SATA drives. I have used this enclosure without any problems until I tried to get 1 drive to act as the backup drive for Time Machine and the other to be storage. I formatted them using Drive Genius. I used the option for GUILD or GUIL which it said was the better format for using with Time Machine.
The first problem I ran into since upgrading and reformatting the drives is I got an "input/output" error the first couple times I connected the drive via USB to my Mac. I could still use the drives but I got weird errors every once in a while like "input/output error" or "device was not ejected properly" even though the device had not been unplugged.
Now the drives will not mount using OS 10.5.5. The drives show up when I open Disk Utility, but I cannot get them to mount. I have ran Disk Utility First Aid, and it says the drives are fine. There is one error that shows up when I run the "Repair Disk" feature. It reads "Invalid content in Journal". But Disk Utility also says "The volume was repaired successfully".
I have seen some posts when I do a search in google about this issue and it seems this is a known issue. Every suggestion I see says to insert your Tiger DVD and reformat the drive using that and the problem will be solved. The only problem with that is I have a lot of important files on the drive that I cannot lose. I had the files backed up until I moved them to the new drive a while back. Now I do not have a backup because I was in the process of switching to bigger drives and erased the old drives after doing so because everything was working fine.
I am hoping someone out there may have some suggestions (other than erasing the drive) to get my dives to mount so I can transfer the data off to another drive and reformat after.
Thanks,
Paul Rugg

Thanks for the suggestion.
Do you think that would work better than Drive Genius? I bought Drive Genius 2 and it does not even see the drives when they are plugged in unlike Disc Utility which can see the drives but cannot mount either one.
Maybe this following post I made to a different questions may help. The data on the drive is other buying another program for if it will work. I think my next step may be to go over to a friends place and try to mount the drives on his computer and transfer stuff off if they connect.
text below posted to other question relating to external hard drive problem.
I have recently had the same mounting issue with my new external hard drive. I just purchased a new 750Gb Western Digital Sata drive and got everything transfered over to it. Immediately, I got an error saying that the drive had been ejected incorrectly even though it was still plugged in. I was a little curious. I restarted the computer (hard drive still plugged in via USB 2.0) and the drive showed up just fine. I plugged another 250Gb drive into the same case (2 bays) and the 250GB drive showed up just fine.
Well, I then noticed there was an OS upgrade available when I ran Software update so i ran it and when I rebooted the drives were gone. I can see the drives in Disc Utility, but they will not mount. Drive Genius cannot see either disc. Disc Utility says I need to repair the drives, but when I do it says they are fixed but they don not mount.
The problem really seems to be related to mounting USB external drives. I got ahold of 2 seperate external firewire hard drives and one shows up just fine while the other has the same problem (both work on other systems. I would try wiping the drives and reformatting but ALL MY stuff is on them and not everything has been backed up. Yuck! I have not tried connecting my hard drive to another Mac yet.
The drives being used are #1 Maxtor Maxline Plus II 250GB SATA/150 HDD 1.5b/s 7Y250m00654ra
and #2 Western Digital WD7500AACS WD Caviar GP Green Power drive.
I have another post similar to this and I have not received any feedback, but I have been doing my own searching and have found similar posts on the net.
Anybody have any clue what might be going on here? It really seems to be related to my upgrade.

I am in mavericks disk utility recovery mode as my mac book will not boot up & stays only on the grey apple screen. When I verify the disk I get open error5 :input /output error on Syst stuck on 1 minute pouring out over 50 error messages & still counting

I am in Mavericks disk utility recovery mode as my mac book pro will not boot up & stays on the Apple grey screen . When I verify disk permissions I get
Open error 5:"input/ output error" on syst with over 50 of this messages & still counting . Disk Utility says 1 minute
But this has been going on for over 10 mins .
I can not verify disk or repair disk .
I have tried to reinstall mavericks operating system but it says my hard drive is locked which is very strange .
Does anyone know what is going on here ?
My system looks like it has been totally corrupted . Thanks Andrew

Could be. The "lock" isn't actually looking for a password.
WARNING: This will completely erase the ENTIRE hard drive.
What you would need to do is boot to recovery > disk utility > select the MAIN drive on the left side > partition > change partition layout from CURRENT to 1 PARTITION > ensure on the right side it says Format : Mac OSX Extended (Journaled) then push APPLY.
Then if it will allow us, close the windows until you see the 4 options popup again and select "Reinstall Mac OS X" select the Mac HD and you should be good to go!

Accounting Document not posted for Cancelled Invoice -error in FI interface

Hi,
When I create a billing document then an accounting document gets created automatically in the background and then when I cancel the billing document no accounting document gets generated and the field Posting Status in header Detail of Billing document updated as "Errors in Financials Interface.
I tried to release it for Posting via VFX3 but failed due to below error message in Log:
"Incorrect doc.no.: 4900000005. Select document number between 3000000000 and 3099999999"
I have checked the Number range assignments to the Invoice type and Accounting type.
The number range is same for both Invoice type (Y0F2) and Cancelled Invoice type (Y0S1).
The Accounting document type (RV) is also same for both the cases. But it is working fine for Y0F2 (Acounting document generated and cleared automatically). But not working fine for Cancelled Invoice (Y0S1).
Can anybody please help me find out a solution to the issue.
Thanks, Ram.

Hi,
The error message F5151 refers to the number range of the FI document.
Please have a look at the note 1259505: FAQ: New cancellation procedure in SD, which covers this issue in detail.
Question 5:
Q5. What is the FI document type, generated by the cancellation ?
In the old cancellation procedure, the FI document type is always
determined in SD, and passed to FI (the same when a normal invoice -
not a cancellation - is transferred to accounting).
In transaction VOFA there is the field 'Document type' (TVFK-BLART).
If this field is filled, then the FI document will have the document
type maintained here.
If TVFK-BLART is empty, then the FI document will get the default
document type 'RV'.
If the new cancellation procedure is performed, the FI document type is
always determined in FI, based on the document type of the FI document
to be reversed.
In transaction OBA7 the FI document type has assigned the field 'Reverse
document type' (T003-STBLA).
If it is filled, then the FI cancellation document will get the document
type maintained here.
If T003-STBLA is empty, then the FI document cancellation will get the
same document type as the cancelled FI document.
Notice that an unexpected FI document type can cause the error message
F5 151.
Example:
F2 invoice 90000001 was released, creating an accounting document with
document type 'RV'.
This F2 invoice is reversed by the S1 billing document 70000001.
In customizing of SD there is:
Billing Type    Document Type
F2              RV
S1
In customizing of FI there is:
Document Type    Number range   Reverse Document Type
RV               00             AB
AB               01             AB
The FI number ranges (object RF_BELEG) are:
No From number    To number   Ext
00 0090000000     0099999999 X
01 0100000000     0199999999
Different situations can occur, due to these customizing settings of the
FI document type, caused by the type of cancellation.
If the new cancellation is used:
The FI document type 'RV' has 'Reverse Document Type' = 'AB'.
Document type 'AB' has number range '01' set as internal.
So the FI document will have its own number included in
100000000-199999999.
There is no issue.
If the old cancellation is used:
The cancellation billing type S1 has no 'Document type' maintained, so
the FI document will get document type 'RV'. It has number range '00',
set as external number range.
So the FI document should get the same number of S1 billing document.
But the S1 billing document has number 70000001, not included in the
interval of number range '01'.
This will cause error F5 151.
I hope this information helps you.

Output errors on an interface of etherchannel

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