Cisco Wireless :: Client Couldn't Connect To LAP3502E
Nov 12, 2012
This customer has 5 5508 WLC controllers, version 7.0.230.0 with several cisco 1142 and 3502e AP's. All in one mobility domain. Randomly some AP's don't accept clients to connect. Requesting for an IP-address by DHCP on the client (XP).
I just made ssh connection to the AP's, did some debugging. No information. Checked the logging, nothing I wanted to see. Even debug ip packet, give me the insufficient information I want to have.
When we reboot the AP, everything will work fine, but some several weeks later, this AP will have the same problem again. The capwap tunnel still exists, I could ping, telnet/ssh the AP. Even when a user tries to connect, I don't see any authentication debug messages.
This AP exists in a clean room environment, but is sometimes happens with an AP in a open office space.
Logging a tac case is not an option, due to the lack of debug output I receive.
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Sep 16, 2011
I have an Kasda router connected to my PC. I want to connect Wireless D-Link router to a Kasda router so I can have wireless internet on laptop and on my PC as it is now directly. But I can't seem to manage to get it work. I can catch the signal but it says "No Internet Access". Also I can't enter my wireless router when connected that way, only the normal one. I'm suspecting that I need to configure both routers somehow to get it working. I've tried some other things but no luck.
The first thing I done was this:
PC<->Router<->Wireless Router (Connected them on LAN ports)
Also I've tried:
Router<->Wireless Router(Connected LAN from router to an internet port on Wirless)<->PC(connected lan from wireless to PC). - This way I was able to acces both router from PC, but still couldn't connect to wireless on my laptop.
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Feb 25, 2011
I have put two different e4200 routers in my network and both of them have the same issue. I believe there are some major firmware bugs with this router. First of all I set up everything using the web interface. My laptops could connect to the network and internet but any of my devices that use wireless bridges (WET610N) to connect could only get local network access. They could not connect to the internet. After some troubleshooting I found the reason it was not working properly. I used DHCP reservations in my network because of port forwarding and such. Well when the devices connected to the bridges were in the reservation list they were unable to connect to the internet. After I removed them they now are able to get on the internet without a problem. So that is the first problem I've found so far...
The second is I can no longer connect from my Xbox 360 to my Media Center PC. I tried to set up a new connection but this did not work either.
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Feb 9, 2012
I bought the E3200 to replace an older Linksys model. The older model worked but the signal was weak throughout the house. I installed the e3200 using the Cisco connect software but it told me that it wasn't sure I was connected to the internet. I wasn't. Showed a strong signal but could not connect via wireless devices or from the cable from the router to the desktop.
I have LUS Fiber service which does not use a modem. I have had them recycle the signal several times and have done tried many different variations of the MAC numbers from ipconfig or from cloning. Have also tried it with the MAC cloning disabled so the router's MAC number is used. I have reset, rebooted and done just about every possible option.
Spoke with my provider many times and they insist they are sending me a signal. They also recognized the router's MAC number on their end.I purchased one router and it wouldn't connect, so I exchanged it. All these shenanigans I have gone through are with the second router because I figured the hardware isn't the problem.
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Oct 4, 2011
So, I've had my Linksys E2000 Router for awhile now (not a year old though), and I just discovered a problem with it.Just the other night, not even 8 hours ago, I was playing my 360, everything was fine. I then decided to go to bed, cause it was getting late. Here I am now, I boot my 360 up, and notice that my 360 couldn't connect to Live. At first I thought maybe the cable got unplugged somehow; nope. So I troubleshooted to fiind out that Ethernet Port one no longer works on my router, but switching the cable to port two, my 360 is able to go online.
Does this mean my beloved router, that I paid my hard earned cash for, has decided to start crapping out on me, or is there a fix for this? I take really good care of all my electronics, and my router sits in a spot by itself on my desk with plenty of air space. I have had no issues with this router in the past, until' now. I've always trusted Cisco, and Linksys products, and this really dissapoints me that my router might just be kicking the bucket, at not even a year old. What's the deal Cisco?
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Jan 18, 2013
set up my router. Trying to set up my 3G modem with TP-Link MR3020.
Tried troubleshooting to find out where it went wrong and just couldn't figure out. Just tried disabling the wireless security and *poof* I'm able to connect to the Internet. Right after setting up the Network Key, I can't connect to the Intertnet via my router.
Here are the datas.
Windows IP Configuration
Host Name . . . . . . . . . . . . : TOSHIBAM840
Primary Dns Suffix . . . . . . . :
[Code].....
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Jun 24, 2012
I've recently purchased a Linksys EA4500 router. I've got home, I've used the installation guide CD thingy, connected 3 of my laptops wirelessly, no issue there.However when I tried to connect my 4th laptop problems came along. The problem I was dealing with was that I couldn't connect to the router. I mean I could see the network name appearing in the list, but when I tried to connect the network would just dissapear from the list, not connect, and wouldn't back on the list unless I've reset the laptop. Anyhow I've ignored that computer because I thought it was two years old and it might have had a wireless network adaptor issue, although it was conneting with no problem to my former router D-Link DIR 365.Anyway, just yesterday I've purchesed a brand new netbook (Evolio U9) and it doesn't see my router, although it sees all the other connection availables (my neighbors' wirless networks), I even connected to one of them just to test if anything was wrong with the netbook.
I also have problems when trying to connect with an Iphone 4. Well, it does connect, but the connection to the iphone just goes on and off making it impossible to use. It's really strange that all the 3 Iphones in my home have no issue connecting, not even my Glaxy S3, nor any of the Smart Tvs, nor the printer.Does the router have any number of limited connections available? The router configuration is the ones done from the CD. I've only assign a SSID and a WPA password.Please note that all the computers above are GENIUNE Windows
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Oct 24, 2011
I've recently bought a WRT54GL router, and I`m having some problems with it. The original firmware the router came with had a bug, and couldn`t even connect to a PPPOE network. I downloaded the latest firmware version for this model (4.30.14 build 5, Oct. 26, 2009). Now it can connect to PPPOE but the broadband speed is limited to ~ 30Mbits/s. My ISP normally provides a download speed up to 80-90MBits/s, and if I bypass the router, and connect the internet cable directly to my PC, it works.
The QoS is disabled, so this can`t be the problem, but I searched the internet, and I found that it can be because the router`s CPU is too slow and can`t handle connections up to 80-90Mbit/s download speed, but this sounds a little bit weird to me.Did any of you gus run into this problem? Is it a hardware problem, or a software one? Maybe there`s something I need to set up in the admin interface?
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May 12, 2011
i was setting up my friends new router (Lynksys WRT54GL) and i figured out the ip address and it was DCHP(i think) enabled so i just enabled that on the router settings and then i tried to finish the setup with the disc that came in the box and it kept saying it couldnt connect to the internet.-SO-we disconnected the router and connected to the internet and suddenly, no connection to internet. it was working earlier today but for some reason now it no longer has connection. waited around for 3 hours and still no connection, through router or direct link.
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Feb 14, 2011
I just bought DIR-655 yesterday and tried to set it up through the CD but without success. My problem at first was I couldn't get internet connect via router (but PC to DSL modem direct connection is always all right). Then I played around to turn on "Advanced DNS service" then I got internet connection via router to my PC. However sometimes the web site names couldn't be translated by DNS correctly and it resulted in "Not Found" and I am pretty sure those web sites are active and running (as I have no problem to access those if I connect DSL modem to my PC directly). Also I noticed wireless connection was very slow and some You Tube videos would stop playing after around 30 seconds and DSL modem had no further activity at all. Why couldn't I use 192.168.0.1 (default IP) as primary DNS (as I got no internet at all if I did so)? Is it really necessary to turn on "Advanced DNS service"? How can I get internet access if I turn "Advanced DNS service" off?
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Mar 11, 2013
Couldn't connect to mobile hotspot but could connect to other networks, none of which were from a phone. When attempting to connect to hotspot, my phone displays the information of my computer as name unknown, IP address 0.0.0.0, but gives a MAC address. (My computer has a name, I can't find my IP address, idk what a MAC address is)I tried using remote desktop connection, but the computer I was trying to connect to couldn't find mine.
To be honest, I'm not sure I did it correctly, though.Displayed as 0.0.0.0 on phone when attempting to connect to mobile hotspot.I typed ipconfig in command prompt but got nothing about an IP address. There were several lines that began with "Tunnel adapter" all followed by "Media State : Media Disconnected" then "Connection-specific DNS Suffix: I currently have no internet connection (I'm on my phone), so I can't find it that way either.
Under Network Location it specifies that it cannot connect to MEMORYCARD (\EPSON00) (Z:) and upon clicking on it I receive an error message: "Microsoft Windows Network: The network path was not found. This connection has not been restored."I've spilled water on my keyboard before, but this took place after these problems arose. I dried the computer and had it sit with rice for 2 days. The only issue that came of this incident that I am aware of was a few stuck keys.
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Jan 30, 2011
We have 6 brnaches configured with NAC Module in Cisco 2821 ISR router. The WAN link being used to connect all the branch to the HQ CAM is via WIMEX wireless Broadband. The bandwidth is 2MB.OOBVG is the mode used. All branches were working well last 1 year. Last month it is suddently disconnected from the CAM.I opened the TAC. Cisco history of TAC experience, We have total 6 TAC enginners tried one by one still the problem not resolved. The following are the findings
1. Timing is accurate between CAS-CAM
2. Shared secret key correct
3. SSL temp certificate ok also image being used it 4.6.1.
4.Tcpdump from both CAM and shows some initial packet drops of 10 sec with the below CAM log
I believe that NAC is not a matured products and the problem like this even by Cisco TAC can not solve.
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Mar 20, 2012
i have a question about tunneling a software EasyVPN client to a client ASA Network. It looks like this:
EasyVPN Server 192.168.202.0/24 Network extension mode to Client EasyVPN ASA 192.168.1.0/24 This works fine in both directions. But now i want to connect the client ASA network via EasyVPN software client from outside. The user are already able to connect to the ASA Server on its static outside IP obtaining an IP from a 192.168.21.0/24 pool. This works fine. But how am i able to connect to the 192.168.1.0/24 network from this client?
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Nov 7, 2012
I connected to AP 1552E and my computer via PoE Gigabit Ethernet Port. Port is up and two of them are the same subnets.Even if my computer and ap arp table seen each other but i couldnot ping the each of them. [code]
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Aug 5, 2012
I changed the router ip to 192.168.0.2 from 192.168.0.1. I don't know what type of connection, i have to use. It have the following options: Static IP, DHCP etc. The internet connectivity status shows 'disconnected'.I'm currently using the lan to connect to net. ISP gave me a username and password to Login with a browser to start browsing. Since multiple devices are use in same connection, they provided 2 IP.
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Jan 12, 2012
there could be complications, but it appears the WPM300N is 'bad'?my wife's computer (XP SP3) recently started freezing at random times. Once while surfing she got a BSOD. The last few days it had gotten much worse, sometimes the freeze occuring during the boot process, and again at random points.
What I tried was determing all new s/w installs and deleting them still didn't fix the problem. Next I used some Norton Ghost back-ups restoration from the time period she had the freezes... still was freezing. Next an image from long ago and it still froze. Got me thinking it was h/w related. She has a wireless mouse and keyboard. Put in wired units, still froze.
A few days ago my router died. It couldn't get a WAN IP Address from the ISP's cable modem. ISP verified the modem was working by having me attach directly to it one of my wired computers. This router was a new (2 months old) ASUS RT-N56U. I put back my old LinkSys WRT600N. In doing so I had to change the passphrase. This turned out to be a big assist to me determining what went wrong.
On each of the restores of an image, the system never froze, not until I connected to the router by giving the proper passphrase, but usually after that. When it happened (I did multiple image restores) when I was in Safe Mode with Network as it was connecting, the implication was clear it was the WMP300N.
As luck would have it, I had another card taken out of my old computer. Put that card in and so far, he computer has NOT frozen up. I've restored all the deleted items and Windows Updates and all other Updates (Norton ISS, Flash, Adobe) and it is running fine.
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Apr 4, 2013
I just got this laptop witch is come with UBUNTU 10.10 OS
so I installed original windows 8 pro but the wireless didn't work
I search on dell drivers site with my service tag and with the model name and downloaded more that 4 drivers but none of them let the wireless work
I have to connected to the cable
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Oct 1, 2011
I have a wireless system with Wireless controller and AP. I deploy wireless with WPA2-Enterprise and use Active directory domain account for authentication. But I have to modify some settings on client (windows XP, windows 7) to have it connect.
- If my clients joined in domain, they can connect to wireless sucessfully.
- If my clients are not joined in domain (they use local username and password), I have to go to wireless properties on client, and uncheck the option "Automatically use my Windows logon name and password" on EAP MSCHAPv2 properties. If not, windows automatically use the local account of the client to connect.
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Nov 23, 2010
I was trying to remotely command my iTunes library via an iPhone app called Remote. It worked for some times with an intermittent disconnection problem due to the iPhone locking. But even after unlocking the phone and reconnecting the Wi-Fi, Remote couldn't find my iTunes library again and my only workaround was to relaunch iTunes on the PC (which is Ethernet-wired to my router). Few days ago nothing worked!!! I could no more get Remote to find iTunes.
I could not find a solution even by rebooting the router or unplugging the PC's Ethernet cable. Last night I powered off the router and after 10s I powered it on again. And then it worked!I highly suspect a problem between my router and Bonjour which is as UPnP, an Apple protocol for discovering communicating devices. Discovery phase being usually done with broadcast frames, something goes wrong in the router with processing the broadcasts, or is it a Bonjour problem?Please note that even now that Remote can find iTunes, I still have my old intermittent disconnection problem.So is there any incompatibility between WRT-610N and Bonjour and what is the fix ?
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Nov 27, 2011
My PC running on Windows 7.I'm connected Internet via Wireless adapter. [code] But after connect VPN i'm not able to connect Internet anymore. I think because there are 2 gateway in there. and the default gateway become vpn network. In my case. How to connect vpn client and internet wireless adapter simultaneously?
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Apr 3, 2013
Region : India
Model : TL-WR940N
Hardware Version : Not Clear
Firmware Version : 3.13.27 Build 121101 Rel.38183n
I have bought TP-Link TL-WR841N 300 mbps router. I have 20-25 wireless clients but only 15 wireless clients are able to connect to the router. Is there the limitation on numbers of wireless clients can connect to the router?
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Apr 4, 2013
I couldn't recover my password so I just created a new account.I just recently bought the ASUS RT-N16 since I switched to a different ISP that provided only a modem.
The problem: Some computers in the house will connect no problem to the network and without trouble. Other computers will be able to connect to the network but it will be restricted. When you go to the internet browser it shows an Asus logo and says: "the cable for ethernet is not plugged in". All the computers are wireless and in fact I am writing this while connected to the RT-N16 (wirelessly). Also, sometimes a computer will boot, I will go into the browser, it will show me that message, I unplug the RT-N16, plug it back in and the internet works again. This happens everyday.
P.S. I would also like to note that I tried connecting to the internet network with a nexus and it showed me the same error while I tried connecting with a samsung galaxy S2 and everything worked just fine. Also we got like 5 computers at home and I'd say 1 computer always connects fine, some don't connect regardless of whether you restart the router or not and some computers work only when you restart the router so I have very mixed feelings about this one...
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Oct 16, 2011
So I am having some major issues with my download speeds. I have been told that I am supposed to get 10-20mb down and 1mb up, which is fine normally. Yet I haven't been getting anywhere near that lately. I have been getting 30-50kbs for a speed lately on my linux server, and I am not sure how slow on my windows box.I have road runner internet, and I have a Linksys BEFSR41 router, and a ubee modem. I have done a little looking at the event log of the ubee modem and found that I am getting "Started Unicast Maintenance Ranging - No Response received - ..." every 3 -5 minutes. I don't know what that means but it says critical next too it. Something else I have found is that it has been raining for the last 3 day straight, don't know if that make a difference
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Feb 26, 2013
Who is trying the ping www.dlink.com ? I have been used the model DIR-825 during 1 year, but I could not see that ping command in the log. I had experienced that my notebook alert that DIR-825's shareport has reconnected. Why the DIR-825 lost the private connection while I sleeping?Comment: DIR-825(IP: 10.10.100.97/28) is private using only. The internet gateway is setting to DIR-655(:192.168.90.97/29). [code]
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Jun 22, 2012
I've recently noticed an issue with the D600. A few days ago, I could not get any IP address from the router (wireless connection) on one of my laptops. I checked the router and it did something never done before: It restarted automatically (orange lights). Everything seemed to work fine but now when one of my device connects to the network (ps3, iPhone, laptops...) no IP address is given by the router so everything is on limited connectivity which is really annoying. I have to turn it off/on to make it work. It happens most of the time.
Note that I already returned the router a couple a year ago or so (I cant recall what was the issue), so I have to say that the quality of this device is far behind my expectations.
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Jan 17, 2013
I have a question about ACLs on Cisco 3800 router. I tried to configure extended IP access-list. However, I couldn't add more rules into some of the ACLs when the number of rules increase to about 120 rules. These extended IP access-lists are assigned to gigabit ethernet interface and sub-interface (VLAN interface).
Is this caused by some kind of maximum number of rules supported?
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Nov 24, 2011
My main computer is a desktop PC, which is in my upstairs study. It is connnected wirelessly to the internet, and the Virgin router is downstairs in the living room. This has worked perfectly for 2 years. The computer uses Windows 7 ultimate. (COMPUTER 1), I recently purchased a laptop (COMPUTER 2) and installed Windows 7 ultimate. This uses the same wireless connection and at first I had no problem setting up a homegroup so that I could watch videos stored on Computer 1 on the laptop. The first problem is that the homegroup stopped working some time ago and when both computers are switched on, I get the message on both computers: "no other homegroup computers are currently available."
I figured I could leave the homegroup and start again but if I try to leave on either computer I get the error message: "Windows couldn't remove your computer from the homegroup." In services, both the Homegroup settings (listener and provider) are started, as are the peer networking options. I have tried disabling them and re-starting to no avail. Now, this hasn't been a major problem because I have still been able to access files on Computer 1 via Computer 2 by clicking on network>Computer1>user. But here is where it gets complicated. I have now purchased another desktop PC (COMPUTER 3) which I intend to place in the living room and connect to my TV, so that I'm not constantly connecting wires from my laptop (computer 2) if I want to watch something on the big screen. Again, Windows 7 ultimate installed.
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Dec 14, 2011
I have about 50m between switches. When using Cat6 I could not get a connecting between switches but when I use Cat 5E I get a connection. The switches are D-Link DGS-1210-10P switches. Why do the Cat6 which is suppose to be superior to Cat 5 not getting a connection.
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Feb 7, 2012
customer provide quite large network with dot1x deployment - there is dual ACS5.3 servers for authentication Wired, VPN and WiFi access. Users (and computers) are mostly authenticated against Active Directory - there are several AD servers in the network.I found there is tens of cases every day with error message:24401 Could not establish connection with ACS Active Directory agent.This happens in random day and night time regardless on current authentication load. how to diagnose this more deeply? Or where to look for – is it problem with internal communication with AD Agent or is the problem in communication AD agent to AD servers? How is solved redundancy in case one AD server is not accessible – as there is no such setting in the AD connection configuration in ACS.
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Mar 2, 2011
i use time warner cable for many year and now it have a problem with " couldn't find a network " i try many way but still no work . 1 i do pull the plug off and plug in ( usually it works ) 2 i brought a new router ( still " not able to find network " ) 3 i plug direct computer to the modem and it work but dns doesn't work
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Mar 15, 2012
I changed my computer, when I tried to install my "Linksys WRT150N".I couldn't find the CD with the driver; what can I do?
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Aug 28, 2012
My modem with single network connectivity (Type I) works fine. I tried to replace with Type II modem (with wifi- and 4 or more ports) for connectivity. I could not establish connection with the server of the service provider. I tried to replace with a different type of typeII modem. Still the same. What could be the reason?I connected the same in a different workplace to a different PC.
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Jun 3, 2013
I couldnt install wifi drivers on windows 8 64 bit on my dell n4010
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