Cisco Wireless :: AP541n Losing Connection To Management Interface
Nov 1, 2010
I have a client with an AP541n, most recent firmware installed. When he logs into the management interface (via IP using Google Chrome browser), it will work for a few minutes and then just disappear. If he attempts to reload the page he gets a message similar to a website being down (page cannot be displayed). The idle timeout has been extended to 4 hours, but this can happen at any point while logged into the interface.
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Nov 20, 2012
I mistakenly mis-configured "Management ACL mode" on my AP541N.
Administration>Administration Access Control>Managment ACL Mode
I set this to "Enabled", the problem is I only entered 1 IP address, and that IP address is the SAME IP as the AP's own internal interface. I was not thinking and entered that IP out of habit when I meant to enter my workstation's IP. The FW does not have a safeguard against this.
So, as you can see, this is a big problem, because now I have completely cut off all access (That I can think of) to the router. I can never access the AP as that IP because if I set my workstation to that IP, 1) There will be an address conflict, 2) My computer won't route traffic to the AP out its NIC because it recognizes that IP as itself.
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Apr 18, 2013
we have two AP541n APs that were clustered togehter. They are powered using PoE. The other day I discovered one of them wasn't working properly. I couldn't log into it from the web interface so I unplugged it and plugged it back in from the PoE switch. That didn't work. Since then I have taken it off the network and have tried to reset it and I still can't access it. I've tried connecting to it from the default IP, which according to the admin guide is 192.168.10.10, and that doesn't work. I have tried using Telnet and SSH to connect to it using the default IP and the static IP we had set for it. I have set up a little linksys router and plugged the AP and a laptop into it in hopes it might get DHCP, but that hasn't worked either. I have also noticed the WLAN 2.4G and WLAN 5G lights are not coming on. The PWR, SPEED, and LAN lights all come on. The DIAG light comes on when it's furst plugged in and then turns off. Right now it is not plugged into PoE so that light is off too. We had both APs plugged into an ESW-520 that was plugged into a UC560 which had recently been updated to the latest firmware: 8.6.1. The short story is I don't have any connectivity to my AP541n, even after being reset. No wireless, no Web GUI, no ping, nothing. Has this thing become a large paperweight?
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Apr 24, 2011
I currently have two 541N access-points slightly overlapping eaching other and my clients appear to connect to the further AP most often. They are setup in a cluster, but that appears to just provide configuration synchronization. Short of purchasing a wireless controller which would appear to be overkill, is there any way to manage client connections between the two AP's?
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Aug 1, 2010
I'm setting up a new 5508. I've used the config from a 4402, have successfully connected to the Service port to manage the device, but for some reason cannot connect to the Management interface. In this case, port 1.
The service port is connected to a Catalyst switch and grabbed an ip address (10.2.x.x subnet) no problem. I can access the 5508 via https using the SP. However, port 1 is connected to the same Catalyst switch, but on a different vlan (subnet 10.20.x.x). Both ends show that the interfaces are up, I can ping the interface from any other host on the network, but when I try to manage the device via https I cannot connect. We are using WCS and I cannot add the device from the WCS. About all I can do is ping that interface.
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Sep 12, 2012
Is there any management software available to manage 5 or so AP541N running across a WAN. Eg we have a couple of VAP's setup on each access point 1 for staff and 1 for guests. I would like to be able to change all the WPA Personal guest access password centrally rather than having to log onto each box and edit it manually.
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Jun 6, 2011
I have a cluster of 5 AP541Ns. I accidentally started the auto update of IP addresses based on reduction of interference, and it changed the wireless channels on all of the APs. I disabled it, but he channel settings did not change.Now if I remember correctly, before making this setting, they were all on the same channel, 6. Should they all be on the same channel? If so what setting or procedur do I have to do to get them all back on the same channel? (do I have to manually set the channel?)
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Jan 16, 2013
After I've upgraded software to the v7.3 and applied AP-SSO it made imposible to access the controller's gui via Service-port. So we tried to access it by management-port, but there is some problem too. It is not working from another subnets. But default gateway on management vlan is set correctly and I even tried to turn of all acl's on switch. WLC is only accessible from the same network. But at the same time wlc is replying on ping fine.All other protocols cannot connect to the controller.
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Oct 19, 2011
I have got a 3502 setup and functioning in Office Extend mode. I have found one issue though. I have to set the checkbox on the my Management Interface to Enable NAT Address and put the external address in the box. Once this occurs no internal APs can join the controller.
Need setting this up with a single controller behind a router and not having to set the NAT Address for the Management interface? Should I setup a second interface on the controller to be for external management?
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Dec 5, 2011
We have two Cisco AP541N running our wireless network in the office. They're configured with the same SSID, so that people are automatically switched between the two access points depending on their location in the office.
Frequently we are experiencing very poor performance of our wireless connections and it seems to be related to when 4-5 clients are connected to one access point. After restarting it (which also moves the 5 clients to the other access point), the performance problem goes away for a while.
I've upgraded one to firmware version AP541N-K9-2.0(1) (the other is running AP541N-K9-1.8(0)), but it doesn't seem to work.
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May 6, 2013
I have 2 x 5508 Wireless Controllers, 1 mgmt port on each as standard. I noticied something different between these controllers running the same code.I can bound a physical port to the mgmt interface on one controller but not the other (both interfaces are untagged)see below, this config appears on one controller but not the other? Is this something to do with the initial setup? How can I add Phyiscal information to the other controller mgmt interface, I cannot delete the mgmt interface. Physical InformationPort Number Backup Port Active Port Enable Dynamic AP Management?
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Mar 28, 2012
I've just reset our WISM2 in the test lab back to factory default as I needed to reconfigure the 6500 and the WISM2 itself. Bearing in mind I had it working before.I've just renamed and re-addressed some of the vlans so things flow better and make it easier to add more WISM2s in the future.Now I've run through the initial configuration and it's rebooted ok and show WISM status is showing Oper-Up and there's a port channel 407 been created as I would expect. However, I am unable to get to the management interface via GUI or SSH. In fact from the 6500 I can't even ping the management interface (but I can the service port).The Vlans have been changed in the 6500 config so it knows the native-vlan and service vlan etc and all the vlans are up/up.
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Jan 3, 2012
I am tasked with configuring a 2504 wireless controller. Is it possible to assign an SSID to an interface that has dynamic ap management enabled?
Scenario:
Location1:
1) 10.0.0.0/24
2)192.168.0.0/24 DMZ
Location 2:
1) 10.0.5.0
Both locations are routable using network 1 at each location. However, I need to configure several access points and send them to location 2. These access points will communicate with the controller at location 1 on network 1. Two SSIDs will need to be on network 1 at location 1. The other SSID will be on Network 2 at location 1. This network is not routable.
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Nov 15, 2012
I have an Acer 7750G, running Windows 7,connected to our home network using a Dynex router. At the moment this is the only laptop in the house that is having problems with connectivity. Starting yesterday, it only connects intermittently. When I run diagnostics, it says the following problems have been fixed but it either solves the problem for a few minutes only or not at all: "Problem with wireless adapter or access point" or "Default gateway is not available".
IPV6 connectivity also shows 'no internet access' and sometimes IPV4 reports no internet. I've unplugged and rebooted the modem and router a few times but that hasn't solved the problem.
Edit: I ran troubleshoot again, and it says the following issue is not fixed: "Wireless Network Connection 2 does not have a valid IP configuration".
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May 10, 2011
my 2 881 in a site, running IOS c880data-universalk9-mz.150-1.M4.bin suddenly lost their routing for the fe4(WAN)! It happened once to the 1st one and then to the other (no connection between them).
The problem is that wan interface, although it was up/up and had an ip statically, and was working fine, suddenly, although it was up/up it couldnot ping the directly attached other gw (i could ping the gw with a laptop having the same IP address as FE4) I issued show ip routing, and in the routing table i could only see the LAN network!!
The LED for FE4 was Green and flashing. I unplugged the patch cord and it turned to down, i replugged it, got up but still no routing at all. I had to issued shut/no shut on fe4 to resolve the issue. One day later it happend to the other 881.
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Aug 13, 2011
I have a problem where my outside interface stops passing traffic and the only way to resolve the issue is to reload the ASA, the interface never is down it just stops passing traffic. The inside interface never stops allowing traffic to pass as I can get to all my internal servers and shared drives.
The firmware is:
asa821-k8.bin
Running Config
: Saved:ASA Version 8.2(1) !hostname f1domain-name somedomain.co.ukenable password w1Y.GBKFyC5NqO3M encryptedpasswd 2KFQnbNIdI.2KYOU
[Code].....
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Nov 5, 2012
I'm trying to separate my management traffic from regular traffic by splitting the management and "outside" interface to separate vlans but I'm hitting a routing issue. Say I have have a management network of 192.168.1.0 255.255.255.0 running across vlan 1 and I want to use 192.168.2.0 255.255.255.0 running across vlan 2 for the outside interface to send all the other traffic excluding the management traffic across. Tag both vlans on the external interface, say Eth0/0 Default route of route outside 0.0.0.0 0.0.0.0 192.168.2.1, With this, you can not hit the management interface because there is no route defined for the 192.168.1.0 network. However of course if you try to set one, you'll get the "connected route exists" error. How can I set the default route or gateway of the 192.168.1.0 network on the ASA. Switches just don't complain like the ASA does.
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Dec 3, 2012
We acquired recentlty a new Cisco 6509 with Sup-2T supervisor card
My question is the following : we have a management subnet on a Copper-based switch; we manage all equipments through this network. I planned to configure the management interface on the 6509 to connect this switch & monitor the VSS through it However, since it is a CMP interface, most of the actions (SNMP, IOS upgrade.. won't be possible through this link) Moreover, I don't think LMS would be able to get the configuration through it (except by configuring a script running "attach" command & show run
Is there something I miss or must I add another interface of the Catalyst to this network (the problem being that I have no copper line card)
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May 30, 2012
So my boyfriend and I just moved and, after struggling with our old wireless router we haven't used in years (pretty sure it was dead), we bought a whole new one in the hopes that starting from scratch would be simpler. It's a Netgear and we were aiming to hook up three devices through it; my laptop, his computer, and our Xbox 360.
He hooked it up no problem and we were using wifi for our computers and one ethernet cable through the router into the Xbox, peach as pie... Except my Toshiba laptop decided to rebel and allow me to use the internet for about five minutes before claiming there's "no internet." The signal says excellent and the little alert symbol keeps appearing and disappearing, but no pages will load. I tried running troubleshooting, but it couldn't identify the problem. Shutting down my laptop and turning it back on seems to be the only way to get it going again for another five minutes until the cycle continues.
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May 1, 2012
Im having problems with some toshiba laptops that arnt showing the SSID for some wireless points in the school. We have had the waps set up with the same ssid so we can walk around and the laptops will connect from one to the other. Its been like this for sometime however some new laptops we have got running windows 7 pro show some of the waps up as "other network" - File attached. The actual SSID on ALL waps is Peel Park WiFi Therefore it keeps losing connection to the wireless points and wont connect to some.
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Oct 8, 2011
I am running the below rig and connecting wirelessly via my DSL Router to my Blu-ray player which is connected via HDMI to my TV. Using Windows Media Center I have been recording shows via an OTA antenna. They are in .wtv format and going on the 500GB HDD. Playing these files on my TV has been going well until this week. During playback we frequently lose the connection. I have tried power cycling the router and the player, re-entering my settings in the player and connecting via Cat 6 cable. The only clues I have are that I recently did a second firmware update on my player (did not occur immediately after that) and I sometimes get the following message on the computer... Media Foundation Protected Pipeline EXE has stopped working.
[code]...
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Mar 5, 2011
It seems to happen only when connected through our rooms or through wireless. When I connect directly to the router I don't lose connection. The router is downstairs and it routes the wired connection through a switch. So when routing through the switch or using wireless the connection is lost and re-connects about every 30 seconds to 1 minute. When directly connected it works fine. I've reset the router and reset all settings twice and nothing. I'm using 10/100. Not sure if any of this matters. I have also updated the firmware to 1.35NA. PPPOE password and username are correct as they have been given by our ISP. Any settings I should be aware of? Everything is pretty much default. All I do is setup the internet connection and then setup a wireless connection. Are we overloading the system maybe? I've also changed the password a few times as well. Seems like the logs fill up really fast. Keep getting blocked UDP and TCP packets from different addresses.
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Oct 23, 2011
I have a Cisco Aironet c where it is configured as an AP. I use a Pocket PC to access the AP, but after a period of use, the Pocket PC loses communication with the AP for a short period of time and the application that is utilized in the pocket closes. After a few seconds it automatically connects. Searching the logs of the AP found the following warning: "Packet to client 0017.2302.8a5e Reached max retries, removing the client", but this is not always alert appears.
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Nov 5, 2012
I have a problem with myself a few other clients randomly disconnecting from my 871W. It appears that I am still associated but Windows 7 shows "Limited Access". I appear to be assosciated to the AP and I still have my ip address but I can't ping the 192.168.1.1 gateway (871W). I have also set my power plan to allow for Maximum Performance which I thought disabled PSP but the log is still showing errors.As a final note, after I reconnected by ip address (192.168.1.107) doesn't show up in "sh ip dhcp bindings" but I'm working.To correct the situation, I have to disconnect and the reconnect to the AP and then I am good for another day or close to it. Below are the log errors, config and a sh ver. [code]
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Apr 20, 2013
I have installed a wired and wireless connection for a compound which is around150 squire meters. I used the Cisco wap4410n routers for the wireless setup.
The structure is like this.There is a connection coming from the service provider. There is a central switch where the connection coming from service provider, the server, one Cisco wap4410n router and other two switches are directly connected to it. Again I connected other switches to the switches getting connection from the central switch. I used Cat 5e and Cat 6 cables to connect the switches as well as the wireless routers (For more info , the cable goes underground) and I used cross-over cable to connect switch to switch and straight-through to connect routers to switches. I connected the other Cisco wap4410n routers to the switches outside( I get like 6 Cisco wap4410n routers)The wireless routers are connected to the switches which are connected to the central switch and also on the other switches.
The routers are configured to have their default AP mode.My problem The connection is very slow. The connection is down almost every week and it needs to be re-configured. The connection nice on the router which is directly connected to the central switch(but not the same on the others routers which are connected to the other switches)even when I reset them they don't fall to .245 ( which is ok I can see them on the DHCP server but I still see it as problem)when I set them as a wireless wireless repeater, full signal but no connection(given that I have set same SSID, enabled allow wireless signal to be repeated, filling MAC addresses) Down here I have tried to show the architecture diagrammatically.
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Feb 2, 2011
I have configured Cisco 2801 with HWIC-3G-GSM to work as a GPRS router.
The configuration is:
chat-script gsm "" "atdt*99***1#" TIMEOUT 60 "CONNECT" chat-script pin "" "at+cpin=xxxx" interface Cellular0/1/0 ip address negotiated ip virtual-reassembly encapsulation ppp dialer in-band dialer pool-member 1 dialer-group 1 async
[Code].....
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Nov 28, 2010
I have two 1310 bridges...one set as root and the other as non-root.For some reason they keep losing connection. When I reboot the non-root bridge, link is established.Both bridges have an antenna connected with the right connector and they have the setting antenna transmit right antenna receive right
logs from root bridge
Nov 29 13:52:53.311: %DOT11-4-MAXRETRIES: Packet to client XXXX.XXXX.XXXX reached max retries, removing the clientNov 29 13:52:53.311: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station XXXX.XXXX.XXXX Reason: Previous authentication no longer validNov 29 13:52:53.568: %DOT11-6-ASSOC: Interface Dot11Radio0, Station Test XXX.XXXX.XXXX Reassociated KEY_MGMT[WPAv2 PSK]Nov 29 13:55:16.260: %DOT11-4-MAXRETRIES: Packet to client XXXX.XXXX.XXXX reached max retries, removing the clientNov 29 13:55:16.260: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station XXXX.XXXX.XXXX Reason: Previous authentication no longer validNov 29 13:55:16.550: %DOT11-4-MAXRETRIES: Packet to client XXXX.XXXX.XXXX reached max retries, removing the clientNov 29 13:55:16.550: Client XXXX.XXXX.XXXX failed: reached maximum retries
logs from non-root Nov 29 2010 13:52:55: %DOT11-4-UPLINK_DOWN: Interface Dot11Radio0, parent lost: Received deauthenticate (2) not validNov 29 2010 13:52:55: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to down The signal strength is around -84dBm Cisco IOS Software on both bridges is: C1310 Software (C1310-K9W7-M), Version 12.4(10b)JA1, RELEASE SOFTWARE (fc2)
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Sep 7, 2011
We've had this AP for just over a year and just recently it started dropping its wireless connection. To fix, I have to and unplug the power and then plug it back in.. Then it works again for a few hours and drops out again. If I navigate to the config page right after it drops, all of the settings seem to be completely gone. But if I go through and unplug/plug it in again, all of the settings are back.
I updated the firmware to 2.0.4.2, but that didn't seem to resolve the problem. Is this thing a brick now?
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Jan 27, 2011
We have recently purchased a Cisco Small Business Pro SRP 527W router, all seems good and it is running smoothly, no disconnections or sync issues like our last router. However, after a certain amount of time the web management interface is unavailable through the browser (accessing it via 192.168.1.254 or the alternative we set-up 1.1.1.1) It is totally unavailable and timeouts in the browser yet there is still internet access and network is still alive. The web management interface was accessible before though and the only solution I have been able to do to access it again is to reboot this router.Could it be possible that because port 80 is forwarded to a different IP it interferes with the Web management interface? And how wcould the interface port access be changed?
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Jun 7, 2011
I have running a Wireless LAN Controller Cisco 2006.Today my management IP its public with Internet access. I am thinking in use a private IP without internet access. I have certains Access-Points in other building, that connect to AP Manager interface using Internet . When i see the tcp connections, i look that the access-point not only have TCP connections to AP Manager interfaces, it have TCP connections to Management interface too!!!.If i shutdown the connection between Management interface and Access-Points (mantaining the connection between Access-Point and AP Manager interfaces)?
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Apr 25, 2012
Am trying to replicate the managment interface functionality of a CSS on ACE 4710 but have problem with it being treated as a general routed interface.
Scenario
On ACE 4710 I have a front-end interface for client facing VIPS and a back-end interface facing a server farm, taking care of load balancing flows
Non load-balance system traffic for the back-end servers also flows through these two ACE interfaces, following a default route path (the back-ends use the ACE as default gateway) i.e. dns requests from the servers flow through the ACE egressing the front-end interface to hit a firewall and route to an internal dns server.
Issue
If I add a "management interface" to the ACE 4710 and give it an IP address for management access, the interface by default assumes 'routed' mode and as the ACE treats this as a general interface it will route traffic out of it. For example if the IP address of this management interface is on the same network as the internal dns server, it breaks that connectivity. This as the ACE will see the "management" interface as best route to directly connected network and send traffic to dns server over that, however dns server response traffic will follow its defult route path via firewall and ACE front-end interface to get reply to back-end server. The firewall will block this traffic as traffic is asymmetrically routed and firewall not seen the initial dns request packet.
Question
Is there a way of making an ACE interface a 'non routed' management only interface for out of band management use? That is ACE will not attempt to route general traffic through the interface
I realise I could achieve this with multiple contexts but want to have a single context for various reasons - i.e. to have a kind of like for like CSS replacement using ACE 4710
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Feb 13, 2012
I am having issues with the ASA 5510 management interface. I can't communicate with this interface. It is showing DOWN/DWON even if I type NO SHUT several times.
My existing config is as follows
our-asa-01# sh run
Saved
ASA Version 7.2(5)
hostname our-asa-01
names
dns-guard
interface Ethernet0/0
[code]....
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Sep 12, 2011
linksys router problems Linksys wireless router connected to cable modem. over time router looses connection to internet. rebooting router reestablishes connection. running XP sp3 from laptop connected wirelessly?
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