Cisco Wireless :: WCS 6.0 Load Threshold Violation Reported
Mar 11, 2012
I need a WCS report that will actually give me the top n Wireless Access points that have too many clients trying to authenticte to them.We have some serious capacity issue in meeting rooms but we need a ball park figure of how many WAPs might be affected.
I know I can interogate the WCS to drill down and find out that WAPs are exceeding their threshold I just need to have a decent report generated.I have searched the reports from WCS 6.0.202.0 and cannot seem to find anything that suits.
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Sep 19, 2012
I have an RV042 (it's old, silver/dark grey plastic front one) w/ firmware 1.3.13.02-tm.
The reason we bought this (long ago) was to balance two WAN connections, one with unlimited data and one capped monthly. It did that once, but for a couple years both connections have been unmetered so it's just been balancing them 50/50. As of today one WAN connection (the new much faster one) is back to being metered but I can't figure out how to configure the RV042 as it once was to prefer sending traffic over the slow, unmetered connection first, and only use the faster metered connection when necessary.
It's been a long time and honestly I only vaguely remember the ability to prioritize a connection based on % of bandwidth used so that all traffic would go over the unlimited connection 1st until it was flooded, and only then fall over to the metered connection. This is totally different than the weighted round robin, or smart link backup.
I found this 3rdparty forum post that supports that vauge memory and suggests this was eliminated between firmware 1.23 and 1.3: [URL] Is it possible to replicate this functionality with the current firmware? if so how? If not, how to do roll back to firmware 1.23?
It sounded like perhaps I could assigned WAN1 a bandwidth of 100000 (even though it's really 1500) and then assign WAN2 a bandwidth of 1 (even though it's really 20000) and the result might be the prioritization I'm looking to achieve... but I feel like I'm stumbling in the dark at the point.
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Feb 21, 2013
i have configured some 1142n's, everything works in terms of .n but the reported client connection on the AP does match the published MCS definitions.eg so what does "Current Rate (Mb/sec) m6-4" actually mean in terms of MCS connection
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Jun 27, 2012
In WLC i see the roaming option to controller the handover. As the accompanying graph [URL], how do I up or down the threshold of the handover? or, How do I more sensitive to IP phone(NEC model MH240)?
I don't understand the four textfield of the roaming options URL
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Oct 19, 2012
In the EA6500 Device Tab of the connected devices all the information should be considered as wrong or incomplete. The router and all devices set to static ip addresses work fine but you should use another information source as to what and where devices are connected on your network. Cisco says they are aware of the bug and are working on a firmware update.Also, reported to Cisco, when and if using Windows 8 and IE 10 the restore function does not respond with the IE 10. Works fine in Chrome and earlier Internet explorer.
Bugs are to be expected in any new device, but time will tell as to how fast Cisco fixes these issues and timely releases firmware updates to us their consumers. The connected device tab information bug needs a quick fix because anyone relying on the information would be working to connect devices that are already on the network or maybe listed with the wrong mac or ip address.
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May 30, 2012
WLC 4404 is configured as Anchor controller, the MAC violation are captured by Controller. the Violated MAC are deleted manually through GUI, but when tried deleting through CLI using command
>Config exclusionlist delete <mac address>
we get error message as error deleting user <mac address>
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Sep 23, 2011
I'm using packet tracer, I enabled port security on fa0/18 and set it to shut down when a violation occurred, I set it to only allow 1 mac address, so I tested it by plugging in another PC and the port shut down so the security was working, however when I plug the old pc back into the port it still stays shut down, how do I activate it again.
FastEthernet0/18 is down, line protocol is down (err-disabled)
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Jan 18, 2010
I've read some opinions that lowering the RTS threshold can facilitate in some noisy wireless environments. I have found how this can be done on standalone APs but cant seem to implement the change on a WLC 2112. How to do it.
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Aug 9, 2011
I set the Cisco's AP settings with MTU size as 1200 bytes and the Fragmentation threshold to 256 bytes. Set up: I am using a WiFi enabled laptop connected to Cisco AP running an application pumping data of size 1400 bytes continuously to a Wireless node connected to the same Cisco AP over WiFi.
I am monitoring network activity on the same laptop using Wire shark.However,i cannot see 1400 bytes data getting fragmented. What is the concept of fragmentation and MTU size? Also,I would like to know how to change the AP settings so that i can see the data (1400 bytes)getting fragmented to small byte chunks.
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Jul 23, 2012
my firewall log is full of entries listing policy violations rejections. These look like traffic from LAN to WAN that is being rejected, right? [code]Noted that most of the rejections are in the 40,000-60,000 port range.
-new RV042G
-WAN 1 set to 10.x
-LAN 192.168.1.1
Action Interface SourceInterface Source Destination Time
1. Allow All Traffic [1] LAN Any Any Always
2. Deny All Traffic [1] WAN1 Any Any Always
3. Deny All Traffic [1] WAN2 Any Any Always
Have tried re-flashing firmware to current version (was already on it), disabled SPI, disabling Denial of Service, all no change.Also noted another issue with logging; bug? When the router was brand new out of box and again after firmware flash:
* the "All" drop down of System Log was BLANK, not logging any entries although other drop downs such as "System Log and Firewall Log were
* email alerts were not being triggered for log entries
* clear log button appears to resolve the issue after which the ALL shows all entries now
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Aug 17, 2011
I have two computers connected to DSL with a modem and a 4 port ethernet switch.Only one computer is on the switch at the moment because the other is getting parts repaired. About a month or two ago, we had problems with our ISP because the main tower in town was having work done so connections were spotty.With the work being done for a month, I've still been having problems and I am not sure if it's related to my ISP or modem/ethernet port or what. I got this error when connecting: TCP/IP CP reported error 738: the server did not assign an address. It took around 10 redials for it to connect. I've gotten this error before (along with other errors I don't recall as it's been awhile) and my internet will randomly slow way down.
I just had an svchost.exe error that I got resolved via the techsupportforum virus section, where my computer would freeze when trying to connect, and I hadn't had any connecting errors for awhile. But now that the infections are gone, I am getting errors again. It seems quite odd.I rent a modem from my ISP and it stopped working before so I got a new one. They said I had hit the reset button on their modem and that was probably my problem and could have also messed up my ethernet switch. So I'm wondering if that is an issue also, as I am using the same switch with a new modem.
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Oct 20, 2010
My group has recently started configuring traps on our switches to alert us of issues as they arise vs. waiting for the Helpdesk to receive user complaints and then responding.We have successfully configured the 2950 and 2960 switches to alert us when a port-security violation happens. However, the 3750 switches refuse to fire the port-security violation traps. The 3750's will fire an errdisable trap when the port goes down though.
Here is one of the port configurations:
interface FastEthernet1/0/45
switchport access vlan 5
switchport mode access
switchport port-security
switchport port-security mac-address sticky
[code].....
And here is the output of the port-security debug:
2522070: Oct 21 16:37:04: %LINK-3-UPDOWN: Interface FastEthernet1/0/45, changed state to down
2522089: Oct 21 16:37:05: %PM-4-ERR_DISABLE: psecure-violation error detected on Fa1/0/45, putting Fa1/0/45 in err-disable state
2522100: Oct 21 16:37:05: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0012.3f07.95d3 on port FastEthernet1/0/45.
All of the 3750's are running C3750-IPBASEK9-M, Version 12.2(53) SE2. Wireshark also shows the errdisable traps, but no other traps so I've ruled out the traps being missed. All of the switches have been reloaded and power cycled.
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Feb 27, 2012
In my head office we have Cisco 3845 router.in the router we put the show log command the below error is came..
What is the error??why the error came??
25024684: Feb 29 10:33:13.759 India: %FAN-3-FAN_FAILED: Fan 1 had a rotation error reported.
25024685: Feb 29 10:33:33.759 India: %FAN-3-FAN_FAILED: Fan 1 had a rotation error reported.
25024686: Feb 29 10:33:53.759 India: %FAN-3-FAN_FAILED: Fan 1 had a rotation error reported.
25024687: Feb 29 10:34:13.759 India: %FAN-3-FAN_FAILED: Fan 1 had a rotation error reported.
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Aug 1, 2011
I have the following problem in LMS 4.0. I see a lot of CDP syslog messages about Native Vlan Mismatch, but the LMS doesn't report it in the disrepancy report. Why?? The similar problem is with TRUNK VLAN Mismatch. The customer doesn't use VTP in his network. All switches are in the VTP transparent mode.
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May 30, 2011
We have several ASA5540s and 5510s (v8.4.1) being managed by CSM (4.1) Every so often several of the ASAs will send SNMP messages to CSM stating very high CPU utilization reached, usually between 150% and 400% - sometimes as high as 4million %.Obviously you can't get greater than 100%.
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Jan 14, 2008
I have a 3725 router that is reporting the following syslog message:
%FAN-3-FAN_FAILED: Fans had a rotation error reported.
When I do a show environment all, I am getting the following message:
Fan status: Warning- low fan rpm condition detected.
Both the the fans are functional and are rotating fine. How do I repair?
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Mar 18, 2013
How to find out which Fault Threshold group a specific interface belongs to.The scenario is that in Fault Manager there is an alarm for which I want to change the Threshold Setting.
Example Alarm:
Event_Description HighUtilization
Device IP x.x.x.x
Device Type Routers
Fault Last Updated At 19-Mar-2013 09:44:25
Component IF-router2.x.x/26 [Tu187] [x.x.x.x]
[Code] .....
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Mar 1, 2012
I'm using RADIUS and FlexConnect APs. The issue is intermittently users will lose connectivity as if they're de-authenticated. Their clients still believe they're associated to wireless but they have no network connectivity. On Windows 7 we receive the exclamation point over the signal strength indicator.
There doesn’t seem to be any rhyme or reason as to what is causing this. It doesn’t seem to happen at any particular time intervals or anything else I can identify. Sometimes users will go entire days without experiencing connectivity issues sometimes they can’t go five minutes. When the clients are experiencing the issues they cannot even ping their default gateway.
The setup was initially the following:
Site A: 1142N APs and RADIUS server (server 2003) users are authenticating to.
Site B: Flex 7510 running code 7.0.116
Between site A and site B there is a site to site VPN with no restrictions.
After some time of working with TAC and not getting anywhere I setup the following:Site A: 4402 WLC running code 7.0.116 connected the same 1142N APs HREAP mode. I had the same issue with connectivity with that setup.Today I changed over to local mode and as of yet I haven’t had reports of connectivity issues.
When running ‘debug client MAC’ I see no indication of connectivity issues. I also have an NCS and I don’t see anything indicating what the issue is there as well. I’ve tried with both enabling and disabling ‘H-REAP Local Auth’. We seem to experience the issue in H-REAP standalone mode as well.
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Apr 30, 2013
We're getting complaints about a specific 1131AG in the field only being intermittently accessible. WCS shows both the a and b/g interfaces randomly bouncing, sometimes the reason for the bounce is unknown other times it says it's because it lost connection to the controller. I can ssh into the WCS but the engineer who setup the AP's doesn't seem to have enabled remote access via telnet or ssh.
We are also seeing these events:
802.11a interface of AP * is down: Controller 172.17.0.10 Reason: Max retransmissions for the AP have reached.Interference threshold violation reported by '802.11b/g' interface of AP *, connected to Controller '172.17.0.10'.I know I can adjust the threshold percentage, but that would only seem to mask the issue.WCS gives this version info on the AP:
Versions
<DIV style="DISPLAY: block" id=versions mcestyle="display: block;">
Software Version
6.0.202.0
Boot Version
12.3.8.0
[code]....
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Apr 27, 2013
There is a cisco ws-c6509,recently it appear error log “%FABRIC-SP-6-TIMEOUT_ERR: Fabric in slot 5 reported timeout error for channel 11 (Module 3, fabric connection 1)”. When I reload the device,the error log disappear.But a few days later,it appears again.I try to replace the slot 3 (WS-X6704-10GE),the error log continues.The IOS version is 's72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(18)SXF8"
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Oct 4, 2012
On a Cisco ASA 8.4 code is it possible to receive an alert once a certain number of tcp/udp connections is reached? I'd like to see if I can get an email alert or syslog if the ASA reaches say 2,000 connections for example. Once I get an alert I could then investigate the cause of so many connections.
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Mar 8, 2012
I am working on a QoS design which I hope to test at some point, but at this stage its from the books.My question is how to decide which queue and threshold to use for video traffic, then lower priority traffic.I understand the shaping and sharing commands, its the queuing and threshold bit I'm not clear on.The plan is to use the priority-queue for EF marked voice, this will be policed on ingress to provide an upper limit to EF traffic levels, then my second priority traffic will be video. Which queue will get serviced first once the priority queue is empty, and how do I decide which threshold to allocate my video traffic to? The document ion is not at all clear, I want to prioritse my traffic in the following order:
1 voice, use the priority queue
2 video, this to get serviced ahead of data, after voice.
3 interactive data
4 Bulk data
5 Best effort
So Q1 settings are ignored due to priority queue. Q2 gets 70%, Q3 25% etc.Is it as simple as putting video into Q2 T1, then interactive data into Q2 T2, will Q2T1 get a higher priority over Q2 T2 once the PQ is serviced?
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Jan 10, 2013
I have a switch where the current power threshold is set to -20.0db. The problem is that the receive power fluctuates between -19.9db to -20.1db, which is causing it to throw alarms on my solarwinds monitoring server. What I would like to do is change it to a different warning threshold, but I can't seem to find the command to do so. This is a catalyst 3750 running IOS version 12.2(55)SE3. [code]
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Nov 6, 2011
following errors.
Nov 7 21:34:50: %EARL_NETFLOW-SP-STDBY-4-TCAM_THRLD: Netflow TCAM threshold exceeded, TCAM Utilization [99%]
Nov 7 21:44:44: %EARL_NETFLOW-SP-4-TCAM_THRLD: Netflow TCAM threshold exceeded, TCAM Utilization [91%]
I've already found this kinds of cases, in this community. So, It seems that Changing the current configuration to 'mls aging fast threshold ## time ## ' is most suitable in our situation.But, I don't know how to calculate the apt threshold value and time value.
[1] sh run | in mls
mls ip multicast flow-stat-timer 9
mls flow ip interface-full
no mls flow ipv6
no mls acl tcam share-global
mls cef error action freeze
[code]....
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Feb 5, 2012
One of my clients is using Cisco catalyst 2955 industrial switch.I am doing the configuration for them and come across one setting of FCS Error Hysterasis Threshold. I know FCS is Frame Check Sequence.
I do not understand is what is the meaning the setting of Hysteresis in term of percentage stand for what purpose?For example, the default is 10 percent. If I set the value to be lower 5% and what is the impact on that? Is this more stringent than default of 10% or less stringent than default of 10%?
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Dec 7, 2010
Recently I faced 1 issue in MLS 6509.MLS had all Gig modules in slots 6,7,8 taking System detected CRC error rate on port ASIC data bus exceed fatal threshold, ("System detected CRC error rate on port ASIC data bus exceed fatal threshold".) causing the module reset by the SUP. After this active SUP causing it to failover the standby. This process was continuing every few minutes resulting in the SUPs on MLS rolling.what could be the issue for Sup rolling reset?
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Oct 11, 2011
I have three of these AP that quit associating with the controller after a power loss. I have dismounted one of them and it has an Amber light on ethernet LED and Green Light on radio LED and off on status.It does not respond to reset and nothing happen when i console into it. What might have happened to this AP? It's barely two years. I have tried different power injectors and direct power and still behaves the same way.
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Feb 4, 2013
What would be the best option to monitor the load on AP live? Is there a GUI tool for this or should I use command line interface? I was hoping that CNA would do this, but the AIR-SAP1602I.EK9 does not seem to be supported by the CNA. CCP seems to be another application, would this do what I want?
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Apr 11, 2013
Is it possible to enable load balancing for a particular group of APs and disabled for the rest. Perhaps AP groups. Running 8500 WLC with 3600 series APs. It will enhance the service concurrent user capacities for areas with a high device count.
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Oct 29, 2012
the hotmail website does not load
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Sep 22, 2011
I have a new ASUS Eee PC notewbook, dual core.. Windows 7..I can connect to my wireless network but it wont let me load any webpages on Chrome and with IE I can sometimes get Google (homepage) but cant go anywhere. On my older laptop, I can surf no problem, I'm here, so I know my network works.. When I use the Windows trouble shooter it fixes my adapter, but the problem persists.
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Jan 25, 2011
My Asus eee pc netbook won't load webpages. It is connected to the internet, but won't load pages. I know it isn't the internet connection because others are able to access it on their computers on the same network.I've tried uninstalling/reinstalling my network adapter. I've put the power save mode on my adapter to off. I uninstalled Norton. I've turned my firewall off. It won't load in Firefox or IE.If I repair my connection, it works for about 30 seconds, and then will stop loading.
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Mar 5, 2011
internet connection ok but get website found waiting for reply (vista)
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