Cisco Wireless :: 1142 Disconnects Every 5 Minutes On Guest WLAN With Re-authentication
Jul 18, 2012
I have a strange situation on my guest wireless LAN.The guest WLAN is configured as an SSID "GUEST" on Cisco 1142 lightweight APs, with WiSM controller and WLC software version 7.0.230.0.
For simple Internet access using this SSID, we have a web policy, which causes a web page to be displayed when the user opens his/her browser, and on this web page, the user must click on an "Accept" button in order to accept the terms and conditions of use. Once the user accepts, the browser will then go to the web site which the user wishes to open. When using this mode of access, everything is fine.
However, there is also a pre-authentication ACL, which allows certain types of VPN traffic to reach the Internet without the user being required to accept terms and conditions. The ACL allows ESP, IKE (UDP/500), IKE over UDP (UDP/4500), DNS, HTTPS/SSL (TCP/443), DHCP client and server (UDP/67,68).The pre-auth ACL actually works as intended; and the ACL traffic is NOT allowed when the ACL is removed. This is exactly as it should be.
However, when using, for example, a VPN client such as the Cisco VPN client, or the Cisco AnyConnect client, via this guest SSID without user acceptance, the WLAN regularly and predictably stops passing traffic. This is 100% repeatable and predictable; it happens every 300 seconds, or possibly slightly longer. I have only used my PC clock to time it so the timing isn't all that accurate but I'm sure it's within a few seconds.
Given that the problem happens at the same time interval and is constant, I guessed there must be some configuration item which needs to be altered, but I've looked extensively at the controller GUI (we actually use WCS here) and I can't see anything that looks even remotely related to this.
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Feb 7, 2012
We have a strange problem. We have a WCS v.7.0.172 that controls our two WLC v.7.0.116 and we have also two "Anchor Controller" WLC
v.7.0.116 for Guest Access.
We use the LAP1142N and every AP has two SSID's. One for internal data traffic and the other one for the guests.
Now the problem is, that even if we have internal and external user on the same AP, the guest users gets disconnected after a few time. Sometimes after 20 minutes, sometimes after 90 minutes...but the user is still working. It's really irregular.
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Feb 14, 2012
Strange issue that our support staff is seeing on our guest WLAN. I have 2 wlans, 1 is production and authenticates our Domain controllers, this is working fine. The other is a wlan that has restricted access internally, I allow http, https and VPN access out only.
It appears that on the guest wlan, after random amount of time an established VPN connection using Cisco VPN client disconnects. Wireless connectivity doesnt appear to go down, just the vpn connection.
On this guest wlan, I have configured QOS bronze and I read a link where this may be affecting the UDP conversation between VPN client and end point.
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Jun 10, 2013
I would like to setup a 2504 to have one Guest WLAN and one Staff WLAN with a controller port for each WLAN connected to different devices.
I would prefer to connect the WLC Guest port to an ASA 5510 and the WLC Staff port to an internal 2960S switch. Will this work? I haven't setup a 2500 series controller previously.
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Aug 20, 2012
This first started when a user said they were getting disconnected and reconnected a few times a day to our wireless network. He is in a remote office with a 1142 which is set to H-Reap talking back to our 5508. Our WLC is running 7.0.166 The laptop has an intel ulitmate 6300agn wireless card with the latest 15.x drivers.
We are using an SSID with wpa2 and 802.1x auth back to our ACS server using PEAP with our windows credentials.attached is what i am seeing on the wcs troubleshooting page.When i do a debug client on the WLC i see many reauthentications coming from the client on the different radio.
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c Reassociation received from mobile on AP 0c:85:25:f3:7d:40
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c 10.24.8.108 RUN (20) Changing ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255) --- (caller apf_policy.c:1621)
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c Applying site-specific IPv6 override for station 00:24:d7:d1:16:6c - vapId 512, site 'VH-GasWorks', interface 'management'
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c Applying IPv6 Interface Policy for station 00:24:d7:d1:16:6c - vlan 2, interface id 0, interface 'management'
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c Applying site-specific override for station 00:24:d7:d1:16:6c - vapId 512, site 'VH-GasWorks', interface 'management'
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c 10.24.8.108 RUN (20) Changing ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255) --- (caller apf_policy.c:1621)
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c STA - rates (8): 140 18 24 36 48 72 96 108 48 72 96 108 0 0 0 0
*apfMsConnTask_2: Aug 22 12:59:36.762: 00:24:d7:d1:16:6c Processing RSN IE type 48, length 38 for mobile 00:24:d7:d1:16:6c
[code]....
Now this may be not be the issue thats causing our dropouts a couple times a day as this is happening every 5 mins.
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Jun 9, 2011
I'm having a problem with my wireless internet connection. Just recently my roommates and I got cable internet and a wireless router for the house. Since connecting to the wireless router, it keeps on disconnecting me and then reconnecting once every 2 minutes about. The disconnection last for only 10 seconds but is very annoying and disrupts everything I'm doing on the internet. What is going on and how can I fix it?
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Sep 14, 2012
I'm using the Express Security Set-up tab to configure an Aironet 1142 (stand-alone) access point with EAP.
Objective is to make it a RADIUS client and have laptops authenticate through this access point to a Windows 2008 NPS (Network Policy Server) using computer (machine) certificates - EAP-TLS.
When I select "EAP Authentication" under the "SSID Configuration" I was literally floored to see mention of WEP encryption (a security joke) and no possibility to prefer some variant of WPA (well, apparently not with EAP).
WPA2-Enterprise is what I've selected for "Authentication" and "AES" for encryption in Group Policy (so the laptop clients automatically connect to the access point).
WEP? I bought a Aironet 1142 access point for WEP encryption? How can I configure this securely?
These are currently configured settings as displayed under the "SSID Table" heading:
SSID - "MYSSID"
VLAN - none
Encryption - WEP Mandatory !!!
[Code].....
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Jun 22, 2012
I have been having this issue for the past one week where though i am able to connect to the internet through the wired lan without any problem when i connect it to my buffalo wzr - hp - ag300h router it disconnects within 5 minutes and on trying to check the internet connection DHCP server not detected error is shown. I have another edimax router and i tried to setup wireless with that router and have the same problem of disconnection after 5 minutes. [code]
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Feb 12, 2013
I got a brand new Vizio Ultrabook CT14-A4 running Windows 8 64bit. The problem is that the wireless will disconnect every 10-15minutes for about 30 seconds and then reconnect. It will show full bars but say No internet access or Limited. If I try to reconnect it will say that it is unable to connect to this network. I updated Windows to the fullest and updated all my drivers including the one for Qualcomm Atheros AR5BWB222 Wireless Network adapter. Nothing changed. It does this on every wifi I connect to. Including home, school, other people's houses, etc. My other computer running Windows Vista works just fine with all of these wifi networks. It only disconnects for 30 seconds to a minute, but it is irritating because it will interrupt my downloads, and time me out of any sensitive websites I was on like the bank or the University self-service website.
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May 16, 2012
Did anyone use EA4500 with L2TP connection? I really don't know what to do. I bought this router because I wanted to setup my home network with really high quality up-todate and efficient router. Previously I used Dlink DIR685. Everything was OK but lately my ISP increased internet speed up to 40 megabit per second and Dlink can’t establish connection at a speed higher than 20 mbit/sec. So I bought the best router – I thought so. Router appeared to be rather powerful – the connection was established at a speed ~ 34 mbit/sec, wifi broadcast occurred to be also of high speed and long range. But the main and terrible problem is that the longest internet session for the last 10 days was about 30 minutes. And that is with "keep alive" setting activated. That is awful! My Dyn DNS service doesn’t have even enough time to update my new IP in its DNS base. Of course that is way I can’t get external access to my ftp most of the time. I believe that its firmware ver.2.0.37 is very raw. And there is no any firmware on Linksys site so I can’t neither reinstall firmware 2.0.37 nor downgrade to 2.0.36. Hope this bug will be corrected soon. May be that is defect of this specific router?
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Feb 18, 2013
Region : UnitedKingdom
Model : TL-WR740N
Hardware Version : V4
Firmware Version :
ISP :
i m experiencing wireless disconnects every 5 or 10 minutes and all i have to do is too disconnect from the router in windows from Wireless connections panel , and reconnect and it ggets fixed for some time again . i got so frustrated that i changed to openwrt , the disconnection problem is gone but not getting the 150Mbps.
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Dec 5, 2011
802.1x authentication on their Cisco Wifi network using Macbook Pro/Airs running Lion.
We have.. 2x Controllers with WiSMs running 7.0.116.0 A mixture of 1131 and 1142 APs.. ( APs mainly in HREAP mode with some APs located on the same local network as the Controller in Local Mode ) Macbook Airs/ Pro running Lion
[URL]
In summary, we are finding that when our MacBooks are coming out of sleep/standby or roaming between APs, the devices get stuck during the 802.1x authentication process and will either get the self assigned 169 address or continuously try to authenticate.
This can occasionally be solved by turning the wifi interface off and on or manually stopping and starting the 802.1x process on the Mac
From reading various online forums, we have tried the following to resolve this..
- Disabled WPA across our wifi network as we don't use it anymore.. We now just use WPA2 with AES and Dot1x authentication.
- Disabled Client Load Balancing on the SSID configuration… this does not seem to have made things any better or worse although we are seeing more Load Profile threshold notification alerts for some of our APs which are used heavily.
- The 802.1x time out is currently set at 20secs.
- Some APs which are in Local mode ( due to them being on the same local network as our wifi controllers ) have been changed to HREAP mode and assigned a static IP address.. We found that this was required at our spoke sites where we were originally experiencing issues with our old Windows based devices.. Incidentally, we have not experienced any of these delayed authentication issues with our Window laptops, all our problems seem to be with our MacBooks running Lion..
As I mentioned earlier, there seems to be many discussions online regarding problems with the Lion OS and 802.1x authentication..
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Dec 23, 2012
My new EA 2700 disconnects from the internet if the desktop is idle for more than 30 minutes. needs to be unplugged for a few minutes then it will reconnect. This is an unacceptable situation and this thing will be tossed if it cannot be fixed. Can this be reset so it won't disconnect? or do I need to replace it with a product from another company?
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Aug 12, 2012
Recently I've been experiencing random disconnects.
My setup is a Actiontec Q1000 with (QAQ002-31.20L.4) modem/router that talks to qwest. Then I connect to a linksys router WRT54G2. I connect directly to the linksys router with an ethernet cable, but my family connects to it wirelessly.
I ran a constant ping to my modem and to google, and on the random disconnect, the Actiontec Q1000 gets a huge 4000ms response time (but then it resumes normally), and I get ping timeouts to google. Windows 7 will say "no internet connection available". Not sure if it makes a difference, but I had google timeout 4 times during my constant pings.
Nobody else is connected when it does this random disconnects, so I'm not sure what's causing it. I've tried a lot of things, from changing and flushing my dns, connecting directly to the modem, turning off QoS/firewall settings, but nothing seems to work.
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Nov 20, 2011
my ethernet cables is plugged into my xbox and router. it gets disconnected every 15mins. should i change something in the routers config page?
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Dec 11, 2012
my idea net setter disconnect after 10 or 15 minute.
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Nov 26, 2011
it seems so far that everything other than AIM works out of the box with this router but within 5mins time AIM disconnects. I have tried the application filter and port forwarding but nothing seems to work.
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Nov 19, 2012
I have a 2504 WLC and x6 1142 AP's and currently have this working on our corporate network (still in test phase). So far so good and looking at authentication via radius next for this.
We have a separate ADSL connection that is external to the corporate network and what i would like to do is based on SSID (in this case i'll use "Guest Access") i would like any clients etc that visit to be able to connect to our wireless but not be able to connect to our corporate network.
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Mar 30, 2013
1 router 881w with a site-to-site VPN connected to a switch and a wireless which allows internal users to access the VPN via wireless (this is like a backup, if the switch fails, then they can use the wireless). Everything's working fine so far. Now I want to configure a second WLAN for guest but I'm not really sure if this configuration will work:
ROUTER:
ip dhcp excluded-address 192.168.100.1 192.168.100.200
!
ip dhcp pool GuestNetwork
network 192.168.100.0 255.255.255.0
default-router 192.168.100.1
dns-server 8.8.8.8
[code]....
If it's not clear I want that everyone that is connected to the guest WIFI receives an IP address from the range I wrote before and then goes directly to the internet.
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May 4, 2012
I've been having this problem for a while now but something is coming up for which i require 24/7 internet connection with NO failures. problem: about 2 to 3 times a day i lose internet connection for about 1 to 2 minutes and after that everything is totally fine again. There are 5 lights on my modem in this order from top to bottom:
Internet: This light blinks green when im using it like downloading or playing something online. It stays green when i have internet but im not sending or recieving any data.
DSL: always green.
Wireless: I use wireless connection. its always blinking orange (i dont know why orange but it works fine)
Ethernet: This light is always off cause i dont use cables.
Power: always green.
What happens is that my DSL light which is supposed to be green. starts blinking. Then after 30 seconds or so it stops and just turns green again but my Internet light turns red. It stays red for about 1 to 2 minutes and then it turns green again and works fine again. Called the company many times but they dont detect anything because when we call, its always working fine. so all they tell me to do is reset the modem which does nothing. I never had this problem at my previous house 2 years ago. it just started at this address so it makes me think it is the line and not a computer/modem problem.
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Sep 29, 2012
So lately I've been having this problem where my internet decides to stop working for about 5 seconds every half an hour or so which gets kind of annoying if i'm in the middle of an online game or anything else that requires an uninterrupted connection. When it occurs none of the lights on the modem change and all of the other computers connected to it do not disconnect, only my computer is disconnecting.
So far I have tried changing the ethernet cord, switching ports on the modem, updating all of my drivers, and going into the device manager to disable the cut power to device option on my ethernet card. but none of these seem to alleviate the problem.
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Mar 29, 2012
I have Windows 7 PRO and since I bought it I have wierd disconnects. The network works for like 2-3 minutes and then disconnects for 5+ mintues.
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Aug 11, 2011
My net connection is disconnecting every 30-45mins and this has been going on now for the past three weeks since I built my new PC.Here's what I've done to try to rectify this:
* Uninstalled/reinstalled Windows 7 (64-bit)
* Called ISP (AOL), whose first and second-line tech support ran tests and couldn't find any problems with the line.
* Changed the router (from a D-Link DSL2640-R to a Huawei EchoLife HG521 - both provided by ISP).
* Replaced the Ethernet cable that connects the router to my PC.
* Replaced the Rj11 cable that connects my router to the DSL filter.
* Replaced both DSL filters in my house (I have two phones at seperate locations in my house).
* Removed the bell wire from my telephone sockets. Whilst this didn't fix the disconection problem, it has increased my download speed from 130kbps to over 300kbps.
* Uninstalled the ethernet network adapter and then installed the most up-to-date network adapter driver available.
* Tried a couple of programs to optimize both my network and my PC to no avail.
* Changed my Anti-virus software from AVG to Avast, but again, there's no fix. [code]
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Sep 11, 2012
I can give is that every 5-10mins my internet cuts out for about 5 seconds, just long enough to kick me out of a game if I'm playing one.. so it's beyond frustrating. I use a toshiba laptop and it was recently reformatted. These stupid dcs used to happen before the reformat.. they'd happen one week then stop the next. after the reformat which was done (hopefully professionally) by geeksquad, infact they gave me a new hard drive too cause my old one heated up real fast, I was fine for a few months and now like a sickness it has strucken me again. So far it's been a week of nonstop disconnects every 5-10mins... it actually did stop for about 12hours today but I rebooted and then it started again.. so there IS a way to fix it, I just don't know what I did.I am 100% certain it's not my wireless connection, the same thing happens with an ethernet cord. the ipconfig flushdns stuff, and the netsh winsock reset stuff. also of course i've done various virus scans i'm fairly certain that's not the issue.
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Nov 3, 2011
Can I limit bandwith for guest in a wlan network with out Wlan controller? and of course, how can I do it?P.S.: I heard something about bronze profile in a wlan controller envoiroment, I need something like that but in an independent AP.
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Feb 24, 2012
In one setup, we have fibre optic connection given by the ISP upto Distribution box inside the house where the fibre optic cable is connected to HUAWEI-ECHOLFIE HG865 terminal .From the RJ 45 port in that device , the ethernet cable goes to the DLINK 8 port switch. All the 8 ports are connected with ethernet cables to 8 rooms going concealed through the wall.
Our ISP person tested the connection by connecting one patch cable (from the DLINK SWITCH via the wall socket)to the WAN port of LINKSYS WRT300N wireless router and connecting other ethernet cable from the lan port of the router to the laptop ,setup the username ,password, encapsulation pppoe and configured the internet .found working. I tried to configure the wireless in the house by fixing LINKSYS access point in some rooms.
Here the problem started. I cannot fix the LINKSYS router inside the DB in front portion of the house since there is no space in that and cannot keep the linksys router outside also, So I kept the linksys router inside one room and tried by connecting cable from the wall socket to a 5 ports mini switch and from the mini switch I connected one cable to WAN PORT of the linksys router and one cable to linksys's lan port because I want to share the internet in all the rooms.
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Feb 20, 2012
Just today i've started having problems with my Wireless Network. Other adapters in my area are causing me to get random disconnects every few minutes.I've tried changing the channel on my router several times, but to no avail. Is there anything else worth trying?
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May 26, 2012
I have connected two dsl modems for extending wifi coverage,the main one is netgear and the extended on is D-link,but the problem is the d-links wireless disconnects every 5 minutes or so..i have connected a pc with a cable from this modem but there r no problems with pc internet...so is the hardware of modem faulty or is this due to inappropriate settings of modem,i have disabled the dhcp and changed the ip address already.
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Jul 5, 2011
Every 25 minutes, sometimes sooner, sometimes later but usually on the dot I get limited access and the router interface becomes inaccessible for about 1-3 minutes. My problem is my room mate has left for the week and the router is locked in there. I am unable to connect hardwired or power cycle the router. I have the password for the connect and I just got the PW for the router interface. I also have remote capabilities. I have been trying many things to stop it from being so slow and unstable but basically even though my signal reception is 4-5 bars I am only averaging 11mbps speed. I am using a b/g alfa 1w adapter but this shouldn't be the cause of the slower speeds. I can only achieve 1-3mbps down on speedtest.net whereas before I was getting 6-12mbps down.
-UPnP Off.
-NAT Firewall Open.
-300mbps Max
-Channel 1 no other channels within 5 channels near it.
-WPA2-PSK [AES]
-Default MAC Address
-Automatic Configuring of all IP Addresses
-MTU 1500
-WMM On.
Being limited by lack of power cycle and hardwired connect makes it a little harder. I know it's fixable without that though. Also there is no point of a hardwired connect unless I am upgrading the firmware (it already has the newest firmware by default) because I know it should work fine like that. I have tested connecting to other networks and I do not d/c on them. My own research has shown that setting a static IP resolves the issue. I am unfamiliar with exactly how to set this up for the router and the client and if it involves dealing with the ISP (Comcast)
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Oct 30, 2011
I just recently purchased a D-Link 615 and i've been having disconnection issues with the internet. Every now and then the internet connection disconnects and i have to reboot the router to have internet access again.
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Aug 1, 2012
I've been asked to create 2 wireless networks for guest access. They are to be used by clients of 2 different companies and they have asked for the website of each company to automatically open as a landing page. e.g.
-WLAN1 - password is companyname1 - landing page = www.companyname1.com
-WLAN2 - password is companyname2 - landing page = www.companyname2.com
Is this possible with our 5508 WLC? I have googled it and can see that you can set a web auth page but I need different landing pages depending on which WLAN is connected to.
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Feb 23, 2013
I recently setup a 2504 WLC that has two primary WLANs (internal and guest) which get their IP addresses from a central DHCP server using the local router's broadcast forwarding. Things seem to be working well for the internal wlan, but clients on the guest wlan don't seem to be getting IP addresses. If I give the client a static IP they are able to communicate across the wlan okay.
It is worth noting that I am using LAG between the controller and router and this guest wlan is really just a regular wlan (with PSK) that has an access-list applied to force it to the internet only. The access-list should be allowing dhcp requests through, but in any case, I removed the access-list and it made no difference.
Here is a debug client for a machine connected to the guest vlan (vlan 33). The internal wlan is on the 10.10.10.0/24 network (same as wired and same that the AP's are connected to) and the guest wlan is 10.33.0.0/16. I don't understand why I am seeing the dhcp request come from the internal vlan/ wlan first and it gets an IP address on this network. I then see a request on the guest wlan/vlan at which point it appears to get a valid IP address on the guest network (10.33.0.0), but the client never sees this. [code]
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Aug 28, 2011
We're looking at deploying both office extend and also a guest wlan. Both would require a WLC in the DMZ.My question is can one 5508 WLC be both a guest anchor and have office extend APs on it at the same time?
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