Cisco Wireless :: Output Errors / Transmit Discards And Big Buffer Errors On 1121 AP?

Sep 13, 2011

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

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Cisco WAN :: Output Errors On 3750 Switch?

Jan 31, 2012

I am looking at the interface stats of port Fa1/0/2 and see something strange. Ouput drops are 42Billion in 16mins, then 21249 few seconds later, then followed by 42Billion drops again, then 21444...and so forth..I keep getting an entirely different output drops reading everytime i refresh within seconds of each refresh!

sh int fa1/0/2
FastEthernet1/0/2 is up, line protocol is up (connected)
Hardware is Fast Ethernet, address is ecc8.8266.d604 (bia ecc8.8266.d604)
Description: MSGMERGF1
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 12/255, rxload 11/255

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Cisco WAN :: Output Drops And Input Errors On 7204 With NPE 300

May 11, 2011

My router, a Cisco 7204 with NPE 300, is experiencing output drops and input errors on a fastethernet interface. I have a 100Mbps connection with less than 15Mbps utilization at peak times.
 
FastEthernet1/0 is up, line protocol is up  Hardware is DEC21140, address is 0014.a985.1a1c (bia 0014.a985.1a1c)  Internet address is 38.102.66.134/30  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,     reliability 255/255, txload 3/255, rxload 1/255 

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Cisco Switching/Routing :: Output Errors On N5k 10G Interfaces?

Jan 9, 2012

today I witnessed a cisco n5k that stopped playing fair. For a yet unkown reason several interfaces started to show output errors all begining within the same second. While i instantly thought this would be a wiring issue I began to ask myself what an output error actually means. Google usually brings up output drops, not regular output errors. So what is it and how can a 10G fiber interface even detect that there is a problem without receiving what it was sending?

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Cisco WAN :: Output Queue Errors On 2811 ATM1/0 Interfaces

Jun 6, 2012

We are facing output queue problems on our ATM interfaces. A lot of output queue errors are been shown as below.
 
Cisco 2811 -> ATM Link -> <-ATM Link <- Cisco 3945 Routers.
 
Cisco 2811 Version is 124-15.T9.bin
Cisco 3945 Version is SPA.150-1.M1.bin
 
Cisco 2811 Output Errors

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Cisco Switching/Routing :: 1514 Gre Tunnel Output Drops Errors

Nov 17, 2012

I have seen an error in GRE configured between two routers over WAN.  i am monitoring the WAN link and GRe tunnel via WhatsupGold NMS and it reported that Gre tunnel having packet loss sometimes and this time it affects the services and traffic passing over tunnel.sh int t101 shows output drops . is that the problem ? i have read that i have to adjust MTC size but i tried to change the tunnel MTU to 1400 but still sh int t101 shows MTU as 1514 ? What could be the problem of output drops in my tunnel link. [code]

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Cisco Wireless :: AP1242 Excessive Transmit Discards And Performance Complaints

Apr 15, 2013

I have an AP1242 near a couple of conference rooms.  I get complaints when we have a large contingent in there and some try to download documents.  The bandwidth consumption is meage - less than 2Mbps.  But there could be say 50 people in those training rooms.  I see no errors at the FE interface on the AP but I do see a good number of Transmit Discards.
 
Are 50 users connected to an AP1242 simply more than should be expected of the device?  802.11g is the radio.
 
Are transmit discards indicative of some kind of configuration problem?  The users in these cases are generally very close to the access point - within a few feet even.
 
If it is indicative of a configuration problem would that be an issue of the configuration of the laptop wifi cards or a problem at the AP? 

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Cisco Switching/Routing :: 6513 - Transmit Discards On Certain Interface

Feb 25, 2012

We have a Cisco 6513 Switch.  During some parts of the day it is having large amounts of transmit discards on a certain interface because of the amount of data we are pushing.  We have determined it is a link problem and not a problem with the switch.  The link cannot handle the amount of packets the switch is pushing out.  I was wondering if there is a way to create a buffer or a way to regulate the maximum amount of packets that can leave that interface without losing any packets? 

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Cisco Switching/Routing :: 2960 - Discards And No Buffer On Trunk Ports

Oct 17, 2012

I have been experiencing discards and no buffers errors on my 2950 switches. These switches are connected to two core switches 4948 and 3560G. I have noticed previous posts regrading these problems but have been unable to find any cases that were resolved. We are using 12.1(22)EA11 software on our 2950 switches.
 
Outputs:
flrnet3#SH controllers ethernet-controller gigabitEthernet 0/2
Transmit                                Receive  22204993 Bytes                        904542488 Bytes   

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Cisco Switching/Routing :: 3750 Priority Queue Out Transmit Discards

Dec 13, 2011

After opening up Solarwinds NPM, I noticed that a few of my interfaces had lots of discards (who knows how long it's been sets the counters were reset)
 
interface GigabitEthernet1/0/25description Etherchannel to MamaCassswitchport trunk encapsulation dot1qswitchport mode trunkswitchport nonegotiatepriority-queue outchannel-group 4 mode on
 
interface GigabitEthernet2/0/25description Etherchannel to MamaCassswitchport trunk encapsulation dot1qswitchport mode trunkswitchport nonegotiatepriority-queue outchannel-group 4 mode on
 
interface Port-channel4switchport trunk encapsulation dot1qswitchport mode trunkswitchport nonegotiate,It looks as if priority-queue was configured outbound on these interfaces, could this be the cause of the transmit discards which are now up to 79,835, I just reset the counters on the interfaces a little while ago.
 
I'm not the best in the world when it comes to QoS, we do have some VoIP phones, but they are only a specific network, and do not travel outside, since there are used mainly for VoIP training. I do know both interfaces are running the default of FIFO.

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Cisco Wireless :: 5508 - Virtual WLC - Certificate Errors

Sep 13, 2012

I have just setup a vWLC for lab purposes and it´s up and running. I have a few used 1131 LAP:s that tries to join the AP but I just get DTLS certificate errors like these:
 
*Sep 14 13:25:27.229: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio1, changed state to up
*Sep 14 13:25:27.258: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio0, changed state to up
*Sep 14 13:25:36.198: %CAPWAP-3-ERRORLOG: Go join a capwap controller
*Sep 14 13:26:41.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 192.168.1.105 (code)
 
These AP:s (I have tried 2 so far) have earlier been in use connected to a cluster of 5508:s.

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Cisco Wireless :: 5508 - Mobility Ping And SSH Errors After Upgrade To 7.2.110.0

Aug 7, 2012

After upgrading my 5508s to 7.2.110.0, they are reporting mobility data path errors to one of my WiSMs running 7.0.235.0.
 
I get these messages on the 5508s reporting that it can't send a ping to the affected WiSM:
 
*ethoipSocketTask: Aug 08 21:15:41.175: %ETHOIP-3-PKT_RECV_ERROR: ethoip.c:341 ethoipSocketTask: ethoipRecvPkt returned error
*ethoipSocketTask: Aug 08 21:15:41.175: %ETHOIP-3-PING_RESPONSE_TX_FAILED: ethoip_ping.c:312 Failed to tx a ping response to <ip address>, rc=5
 
But maybe there is another clue because I also see in the same log these errors referencing the same WiSM:
 
*bcastReceiveTask: Aug 08 21:15:45.310: %LOG-1-Q_IND: mm_dir.c:1969 Failed to recreate the SSH Rule for <ip address>.
*mmSSHPeerRegister: Aug 08 21:15:44.829: %MM-1-SSHRULE_CREATE_FAILED: mm_dir.c:1969 Failed to recreate the SSH Rule for <ip address>.
 
Why is the controller trying to SSH to another controller?  Was some SSH related feature added to 7.2 that has been accidentally enabled? 

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Aug 16, 2012

I am having trouble with a newly configured install.  Basically it seems that my centrally switched guest SSID is not functioning.  As you change AP groups, which should change the interface associated with the SSID and also the dhcp client address, the client is retaining the original dhcp address from whichever AP group they first associated with. 
 
I also have a locally switch WPA2 SSID at each location which is working fine.  Clients are able to change dhcp address correctly as they move between AP groups.  It just doesn't seem to be working on the guest network, which is odd because it was working earlier in the install.  It has only started having issues yesterday afternoon. 
 
The interface above is assigned to the guest SSID in one of the AP group.  I assume this has something to do with it but I've been over my DHCP assignments on the core switch, local switch, controller, and dhcp server and can find no issue with the configuration..
 
 I am not sure why as I am not using DOT1X at all.  The guest is a pass-thru and the WPA2 network is just WPA + WPA2 with TKIP and AES.  No DOT1X anywhere on the controller...

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Nov 1, 2011

I have to bridge 1400 series which  in the virtual interface has a CRC errors, i don´t the reason, maybe the link (point-point bridge) is misaligned.

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Cisco Wireless :: AIR-WLC2106-K9 - Decrypt Errors Occurred For Client

Jun 13, 2010

I am getting error messages for clients:
 
11 Mon Jun 14 09:11:56 2010 Decrypt errors occurred for client 00:13:ce:54:57:3c using WPA key on 802.11b/g interface of AP 00:16:9c:91:97:c0 12 Mon Jun 14 09:11:56 2010 Decrypt errors occurred for client 00:16:6f:91:d8:60 using WPA2 key on 802.11b/g interface of AP 00:16:9c:91:97:c0
 
These are only occuring for clients that are disconnecting....
 
They can reconnect after a WLC reboot....
 
We have swapped APs.....
 
I have seen this error in other forums but it says not to worry about it. There has to be a connection between this and clients getting disconnected. We have anywhere between 10-50 clients on the system at any one time.Is this a client issue (nic firmware, version) or is this an error in  the controller??
 
AIR-WLC2106-K9
IOS ver: 6.0.196.0

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Dec 10, 2008

we see a strange message in our WLC logs, which occurs quite often (>10 times a day):Decrypt errors occurred for client [MAC-Adress] using WPA key on 802.11b/g interface of AP [MAC-Adress]The MAC-Adresses of the affected clients are varying as well as the APs reporting the error.The clients are Notebooks, Cisco IP-Phones and Nokia-DualBand-Phones.
 
Even more frequently we see the following message in the log: 
 
%ETHOIP-3-PING_TRANSMIT_FAILED: ethoip_ping.c:227 send_eoip_ping: Failed to tx Ethernet over IP ping rc=5.
  
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RT54G2 - Linksys Router Giving DNS Errors On 2 / 3 Wireless Computers

Mar 20, 2011

Recently i have been having LOADS of problems with my wireless router. Every now and then it will decide that 2 of my 3 computers will not be allowed to connect to the internet. and i will have to spend hours of resetting and rebooting computers to get it to work again.. only for the issue to start again a few hours later. I recently added the third computer but im not sure how that would be an issue.

the router is a Linksys (cisco) WRT54G2.. a

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Linksys Wireless Router :: WRT54G2 DNS Errors When Connecting Online To PS3

May 23, 2011

Im having dns problems ever since PSN went back online and i cannot connect to the internet with my PS3 or log onto PSN. At first i would get dropped as soon i joined an online game, and it was running very slowly, but now it wont connect at all.

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Jan 16, 2013

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Feb 16, 2013

Region : Poland
Model : TD-W8951ND
Hardware Version : V5
Firmware Version : 5.0.0 Build 120522 Rel.23978
ISP : Orange/TPSA

On my router TD-W8951ND constantly there are the same type errors, while using computer conected to the router:

Code:
2/16/2013 17:24:8> netMakeChannDial: err=-3000 rn_p=80544b08
2/16/2013 17:24:13> Last errorlog repeat 2 Times

[Code].....

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May 15, 2012

My issue occurs on ALL of my home computers (MacBook and iMac using wi-fi) and ALL of my browsers (Safari, Firefox, Chrome).The problem:- Security Certificates: They pop up daily for Facebook mostly, but also Twitter. I will click Continue, which takes me to...- 404 Error/Page Not Found Error: After the Certificate error mentioned above, this happens. Mostly to YouTube. It will stay like this for a few hours. I've cleared cache, rebooted, etc. etc. Nothing works.- Images turn into little blue boxes with a question mark in them. **When this happens, it's an indication that a Certificate box will pop up out of the blue.- Even on Google.com, it will say: Invalid URLThe requested URL "/", is invalid.Reference #9.df260e6b.1336506889.420cf4fSo what can I do? It happens on both my Macbook Pro and iMac - both connected wirelessly to a Linksys router/cable modem. The router is Wireless-N Broadband Router WRT160Nv3 with Firmware Version: v3.0.02.

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Nov 24, 2011

I am directly plugged into the router on my computer, and it is used wireless for the rest of the computers in the house.  Frequently (3-4 times a day usually, sometimes more like every 20 mins, other days not at all), the router and Network Magic will tell me my computer has lost internet connection, and browsers and any program I try to start won't be able to connect to the internet.  However, I know the connection is still live because any program that was running and accessing the internet beforehand (multi player games and instant messaging programs, for example) still run fine with their connection and I can continue to play or chat online until I close that program.  
 
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Feb 12, 2013

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I have a issue where after configuring aaa and rebooting, logging into the console port seems to be auto trying something before it finally times out and let's the user try. I getting the following sequence: [code] I need aaa to work via vty, however I need the device to boot directly to the Username: prompt so I can continue to use my VB script to clear the config when the devices are return from the field.

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Cisco :: LMS 4.0 Installation Errors On Solaris 10

Sep 1, 2011

Any info concerning the installation of CW LMS 4.0.1 on Solaris 10!

The installation keeps on failing when it is checking for packages. Also the second time when we downloaded the software once more.

ERROR: AddProperty called with invalid package name: CSCOmd.

I have also attached the install log files.

The system is Solaris 10 with zones:

bash-3.00# more /etc/release
Solaris 10 10/09 s10s_u8wos_08a SPARC
Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
Use is subject to license terms.
Assembled 16 September 2009
121133-02, 125503-02, 126897-02, 127127-11, 127755-01, 138866-01 Incompatibles: 
[Code] .....

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Cisco :: ACS 4.0 / Decrypt Errors On WLC Version 7.0.98

Feb 23, 2011

I am seeing a lot of the following showing up in the WLC trap log:
 
Decrypt errors occurred for client <CLIENT-MAC> using WPA2 key on 802.11b/g interface of AP 00:17:0f:81:ad:90

we are using WLC runninn 7.0.98 and ACS 4.0

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Cisco :: LMS 4.1 Installation Ends With Errors

May 9, 2013

I am installing LMS 4.1 to windows 2008 R2 SP1.Server hardware meets requirements.A the end of the  installation I am getting from  the installation log file the following warnings/errors. [code]

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Jul 17, 2011

How can I troubleshoot, what can I do if we get poller errors in HUM suddenly? It was running some days only.Its an installation in our solution center and Im in comparing the results with Cacti and Nagios/PnP - there is no problem at the same device and interfaces with this tools.

SCSwitchB 
#  
MIB VariableInstanceFailure StatusFailure CountLast Failed ReasonLast FailedifHCInOctetsGi3/2Permanent458No Such Instance - The specified instance is not availableMon, Jul 18 2011, 22:02:01 CESTifHCOutOctetsGi3/2Permanent458No Such Instance - The specified instance is not availableMon, Jul 18 2011, 22:02:01 CESTifHCOutOctetsGi3/3Permanent458No Such Instance - The specified instance is not availableMon, Jul 18 2011, 22:02:01 CESTifHCInOctetsGi3/3Permanent458No Such Instance - The specified instance is not availableMon, Jul 18 2011, 22:02:01 CEST

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Jan 17, 2011

I have installed WCS 7.0 now i have installed Navigator on WCS server.Installation is completed.but when I check the status of WCS, it says "healthmonitor running with errors"any one knows what could be the problem and how much will that effect on WCS performance?

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Dec 4, 2011

No date in the TOP-N Interface Errors portlet showing in LMS 4.1, but data for TOP-N Interface Utilization is displayed like expected. The Interface Errors poller show active(without errors) with same Instances as Interface Utilization.

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Internet Intermittently Goes Down / DNS And IP Conflict Errors

Jul 10, 2012

[code] Whenever I am browsing online, every once in a while the internet just cuts out. It still says I am connected to my wifi network, but there is "limited or no connectivity." Whenever it happens, everything on the network loses its internet at the same time. In the household, there is one PC (mine), one Mac (my wife's), one iPod touch, and 2 iPhones that all connect to the wifi. The vast majority of the time, when this problem occurs, simply unplugging the router and then plugging it back in fixes the issue.Sometimes however things are different. Especially lately, I sometimes get an "IP conflict" error message. It says another device on the network is using the same IP address. Sometimes with this error simply unplugging and replugging in the router works. Sometimes the router has to be reset twice before things start working again with this error. The error doesn't happen every time the disconnect occurs, but it seems to be getting more frequent lately.Sometimes the disconnect happens when I am playing an online game that requires a constant connection to the internet. Sometimes this goes as usual, where a single router reset fixes the problem. However, sometimes this situation gets more complicated. One game in particular (League of Legends, if it matters) has this problem all of the time. When the internet disconnects while this game is playing, I do not get the "limited or no internet" warning. Instead, the computer seems to think that it is connected, and that the internet is working.

During this scenario, resetting the router once is never enough. After resetting once, the wifi reconnects and now it realizes something is wrong. After the first reset, the computer seems to "realize" something is wrong after all, and I am connected to the network but this time with the "limited or no internet" warning. A second router reset after this usually fixes the problem.Last night the worst disconnect happened yet. It was in the middle of a game, and the internet cut out, with no warning on the network. After one router reset, the wifi network reconnected immediately with an "IP address conflict" error, and then I was connected with "limited or no internet" on the network. I did the second router reset as usually required, but nothing happened. After a second and a third reset, there was still a permanent "limited or no internet" warning.I tried hardlining in directly to the modem and there was still no internet. Running the network diagnostic on my laptop fixed it however and I was connected to the internet. However, wifi still would not work, even after trying the diagnostic again. Running the diagnostic came up with an error that the DNS server was not responding and so nothing could be done.This time I reset everything. Unplugged both the router and the modem and left them unplugged for 30 minutes. When I turned everything else on again, same issue. Connected to the wifi network, but "limited or no internet." I unplugged everything again, left them overnight, and this morning after plugging everything back in the internet was back.A few final points I think might be relevant:

1) When checking the system event logs, it's usually a DNS error that I get (see event logs, 1st attachment).
2) This disconnect error seems to be more prevalent when more devices are on the network. As I said, they have gotten more frequent lately, especially the IP conflict warnings, since the 2 iPhones were added a few weeks ago. 5 months ago when it was only my PC on the network, these issues were practically non-existent.
3) It's a Belkin wireless g-plus router. Model # F5D7231-4 version 1213. It is an older router.
4) This has been happening for almost a year, but just recently gotten so bad I have to get this fixed, especially after last nights that could not be reset no matter what.
5) I'm not sure the disconnects have ever happened why the PC is not connected. That may not be relevant however, because my PC is almost always on since I work from home, while the iPhones, iPod touch, and my wife's Mac are only connected periodically.
6) This error has occurred while my PC is the only device connected to the wifi network, but it seems much less frequent.
7) The time the error seems most likely to occur is when another device connects to the network, such as when my wife first gets home from work. This is not exclusive however, and the DC's can happen at any time.

I've seen that people want ping tests and ipconfig /all tests so I will post mine. I will edit my post with the same tests done the next time this dc happens. I've also included a screenshot of that xirrus wifi program. [code]

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Getting Power Errors With New Dell PowerEdge 515

Jun 2, 2011

I working with two PowerEdge R515 systems and for some reason I keep getting strange power errors on the front LCD where it turns orange. It started with one about an on-board regulator failure and this morning when I came in both machines were powered down with a different LCD error, something about the Fault-safe voltage being out of range? They both say to contact support.

I got these error logs this morning. All the power readings show as being ok in the iDRAC page and in ESXi readings.

System BootThe system board PFault fail-safe voltage is outside of the allowable range. System BootThe system board PG voltage is outside of the allowable range. System BootThe system board PG voltage is outside of the allowable range.

The only strange thing i see is that on the power supply tab it says the max input wattage is 750 with the actual input being 972.

Individual Power Supply Elements Status Location Type Input Wattage Max Wattage Online Status FW Version PS 1 AC972750Present03.02.00

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Cisco Firewall :: ASA 5580 Arp Collision Errors?

Feb 11, 2012

I am receiving allot of Errors "%ASA-4-405001: received ARP collision from IP/MAC on interface dmz1 with existing ARP Entry IP/MAC
 
When i checked this MAC address in the same firewall it shows too many IP Addresses. What could be the reason ?

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