Cisco :: 5508 WLC - Restricting SSIDs Using Win2008 Radius Servers
Feb 5, 2013
I have a customer that wants to restrict SSIDs that groups get based on their AD credentials. Currently, he is using Windows 2008 Radius Server and AD with Cisco 5508 WLCs. I found examples that shows this is possible but my question is if I have 2 user groups (teachers and students) in AD and apply a policy for the Radius to send SSID x to teachers and SSID y to students. Upon successfully authentication, would this deny teachers access to SSID y and students access to SSID x?
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Oct 29, 2012
I have Configured a WLAN with WiSM2 Controller installed on a 6500 series, Aironet 3600series APs and ACS 5.3 for userauthentication. The ACS is connected to Active directory so users are authenticating using the AD (802.1x is used and not a pre-shared key) on SSID A. I have created a separate SSID B for guest users. I have put restrictions on this SSID. Guest users are also created on the same AD where internal users are created. How can I force Guest users to connect to SSID B and not be able to connect to SSID A? Currently they can connect to both.
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Jan 18, 2012
We recently received our WLC 5508, AP and switches to setup our WLAN but I'm having trouble getting it all to work. It's been months since the course and I'm having trouble troubleshooting the problem.I've setup the WLC, AP and switches and I have network connectivity to all. The WLC see's my AP and I have all my WLAN and interfaces configured (SSID broadcast is enabled) but I still don't see any SSID coming from the AP.
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May 22, 2012
I am running a WiFi network built on Cisco 1262 APs and Cisco WLC 5508. My APs broadcast two SSIDs, let call them "WiFi_Pay" and "WiFi_Free". I have a problem: when users migrate from "WiFi_Pay" to "WiFi_Free" (not moving, connecting to the same AP), the connection fails. If they try for second time, it is always successful. My task is to ensure that such migrations run smoothly and be successful from the first attempt.
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Dec 26, 2012
Doing segregation of SSIDs Base on AP , I have the following scenario:
Head Office :
2 SSIDs (HO_WiFi , Guest) , Access Points which are working in connected mode and grouped on the default ap group .
Remote site:
2 SSIDs (Branch_Wifi , Guest) , Access Points working in flex connected mode and locally switching the traffic .
As shown above , I will be having Head Office , and other 20 Remote Sites with Access Points working in Flex connected mode. What is the best way to group AP and segregate SSID base on location. Above Scenario are build base on WLC 5508 and AP 1142.
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Aug 26, 2012
We have a 5508 controller with about 40 LAPs, running AIR-CT5500-K9-7-2-103-0-FUS software.The need has arose to have LAPs in various locations that only broadcast specific SSIDs.
I've got seperate dyanmic interfaces already created.We have 3 "Normal" SSIDs that we broadcast to the LAPs already associated with the 5508.2 more SSIDs were created (2 different purposes).
I just can't figure out how to get it to certain LAPs to only broadcast the specific SSIDs, while the rest broadcast the normal 3, but not those 2 new ones.
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Jan 21, 2013
I have RADIUS servers configured to authenticate administrative users and authorize them at a low level. This is working well. I also have a local level-15 user in case all of my RADIUS servers time out and someone needs to change something. This also works well. The issue I'm having is that a low-level user can log on using the RADIUS severs, then issue the "login" command and enter the local level-15 user's credentials and then operate at level 15.
I do not want the local account to work at all, except in the case that all RADIUS servers are unavailable. What I've described above works around this. How to disable the "login" command or force it to try RADIUS servers first? This is for ASA 8.2
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Oct 2, 2012
I have 4 Cisco AP541N access points in a a cluster, and everything has been working great. We have been directed by our parent company to change our wireless to utilize RADIUS authentication with our wireless. I have been able to take an AP541N as a standalone (not clustered) and configure it to their standards, configure the 2 RADIUS servers they use with the RADIUS keys I was given for this access point, and everything works great with it. I was able to get them to setup their RADIUS server (which I have no access to) to allow authentication from the 3 other access points now, but they all have different RADIUS keys. I'm finding that when they are clustered they all seem to share the same RADIUS key, but I need them to have different ones.
So the question is, can I cluster 4 AP541N access points together, but allow each one to have it's own unique RADIUS key?
If not, then I think I'll either need to get the RADIUS admins to make them all the same key (which is not likely), or I'll have to uncluster them.
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Mar 29, 2012
What is the maximum number of supported RADIUS servers on the Flex 7500 Cloud Controller?
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May 13, 2013
I am trying to build a new network from scratch, I have the WLC 5508 w/ Aironet 3600e APs connected to my Netgear Smart Switches and a Linksys RV082 router that I'm using as my DHCP server with several VLANs for several stuff on my Switches.
I have 2 questions:
1. Can I have 5 Interfaces configured on 5 different VLANs, each SSID on each a different Port:
Port 1: Controller management only=> 192.168.x.x /24
Port 2: SSID 1: WiFi Internal=> 172.16.x.x/12 (Radius Auth with no sharing)
Port 3: SSID 2: WiFi Internal w/ sharing=> 192.168.x.x/24 (Radius Auth with sharing)
Port 4 :SSID 3: WiFi Guest=> 10.0.x.x/8 (Web Auth)
Port 5: SSID 4: WiFi IT=> 192.168.x.x/24 ( Radius or certificate Auth with access to the controller management interface)
2. How can I use the Controller as the DHCP server for all the WiFi traffic, and how should that be configured to work with my other DHCP server?
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Jul 20, 2010
I have several controllers, including a 4402 running 6.0.188.0 software and I need to modify the Radius servers that it uses. Currently I have three servers listed;
1 - 10.246.194.16
2 - 10.200.31.78
3 - 10.247.50.56
I would like to delete server 1 which is being retired and replace it with a new server 1. I suspect, once i get servwe 1 deleted, the server 1 option would become available when I create a new server. I went into the controller and disabled server one, but every time I try and delete it, I get the "Server in use either on a specific WLAN or Mesh Radius Server Configuration" error. I can't find anywhere this server is still in service and being used, either by a WLAN or a Mesh. I've tried several different variances to modify this. What I hope to avoid is the need to reset the controller. I have a total of seven controllers that I need to make this modification to, and It will be ugly if I have to reboot these units. Hospital mission critical stuff.
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Apr 10, 2013
Cisco WLC 5508
Software Version: 7.4.100.0
Windows Server 2008R2
I've got everything setup on the Windows Server 2008 side of things (certificates, radius clients, etc). I added the radius server on the WLC, and configured a new W LAN to use it. Both are on the same sub net. When trying to connect to the W LAN it kept failing. I installed wire shark on the server to monitor the radius traffic, and to my surprise there was no radius traffic showing up on the server. The radius statistics on the WLC are at 0 as well, so it's like the WLC isn't even attempting Radius.
I re verified that the server was enabled on both the security tab and the W LAN itself on the WLC. Rebooted the controller and the server, all to no avail. I used a radius test client, and can successfully send radius commands to the server using that utility. Frustrated, I just kept trying to reconnect on my wireless device, and after about the 15th try, finally I saw radius activity on wire shark. It rejected my access, but at least I saw activity. It also registered radius statistics on the WLC as well.
So now if I keep trying to connect repeatedly, about every dozen or so times the WLC actually will send a radius request to the server.
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Nov 3, 2012
We are trying to integrate Cisco WLC 5508 and Microsoft NPS 2008 to allow users to use their AD username and password to authenticate to the wireless network.I basically followed the following document but with no luck (Appendix B): URL I'v went through some threads in this forum but also with no luck,Basically, we are recieving the follwoing error in NPS event viewer:A RADIUS message was received from RADIUS client a.a.a.a with an invalid authenticator. This is typically caused by mismatched shared secrets. Verify the configuration of the shared secret for the RADIUS client in the Network Policy Server snap-in and the configuration of the network access server.
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Feb 1, 2012
i have configured 35 APs 3502i in 5508 WLC, now i want to get access to ap via radius. Currently i can connect to them via SSH with both user and password set in wireless> access point > global configuration, well, how do i configure the management AP user through RADIUS?
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Sep 8, 2011
I am transitioning from RADIUS auth to local auth and i don't want to hassle everyone to change in one hit.If i can get auth requests to look in the WLC local net db first and if not found try RADIUS then this is what i am after! You can easily do it with web auth but doesnt seem so easy via WPA2 method.
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Apr 8, 2013
I have a 5508 controller running 7.4.100 and have a WLAN where I have radius configured. On my controller the client machine I'm using appears but the radius authentication doesn't appear to be working. Is there anything on the controller I can do to verify that the request is even being sent to my Microsoft IAS server? The log on the server doesn't show any requests from the controller so my early days guess is the controller isn't actually sending it.
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May 18, 2011
getting a Cisco WLC to work with MS NPS server? We've done it before albeit with differnt code versions.
I have a Cisco 5508 WLC running 7.0.116.0 code hosting a WLAN configured for WPA2 with 802.1x for authentication. I have two Windows NPS servers configured as the RADIUS servers for EAP-TLS authentication. Via debug info on the WLC I can see the 802.1x handshake take place with the wireless client and the WLC as well as a successful transmission of an Authentication Packet from the WLC to one of the RADIUS servers. However on the WLC I see repeated RADIUS server x.x.x.x:1812 deactivated in global list and on the NPS server I'm seeing event log errors indicating "The Network Policy Server discarded the request for a user" along with the pertinent auth request info that I would expect the NPS server to receive from the WLC. Based on the WLC debug info I'm never actually getting to the EAP-TLS certificate authentication part. It seems the NPS servers don't like the format of the initial RADIUS authentication request coming from the WLC and so don't respond whcih in turn casues to WLC to switch to the other NPS server which produces the same issue.
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May 6, 2013
I'm a trainee in Network and Telecommunication, and I have to do a "model" with a controller, an AP, and a RADIUS server. Communication and configuration of the lightweight AP has been done.
I use an autonomous access point 1220 as the RADIUS server (no considering it as an AP), and I'm a beginner in RADIUS configuration. I get a "Processing AAA Error 'No Server' (-7) for mobile 00:24:d6:8f:2c:7e" when I launch a debug targetting my PC, connecting to the LAP.
Precursory : 10.137.125.71 is the IP address of the ap1220, working as the RADIUS server 10.137.125.15 is the IP address of the controller. 00:24:d6:8f:2c:7e is the MAC address of my PC, connecting to the Wi-Fi. ping works to the RADIUS, to the controller. Each devices are connected by a layer 3 Switch, and ping each others. The Wi-Fi works when I don't use 802.1X (or when I don't use RADIUS authentication at all)
What I did on the RADIUS server (ap1220 autonomous) :
aaa new-model
radius-server local
nas 10.137.125.15 key password
[Code]......
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Jun 5, 2013
I have a WLAN configured with 802.1x PEAP pointing to an external RADIUS server. It works fine for the most part, but I'm having problem closing accounting sessions in RADIUS. I've found this is related to the client table in the WLC. The user session does not end in RADIUS unless the WLC officially removes the client from the db, which takes 5-6 minutes from what I can see (probably due to the default idle timeout of 300 seconds).
For example:
1. I connect my tablet to the test WLAN. It associates and authenticates successfully and the WLC sends the accounting info to my RADIUS server, opening up a user session. If I turn off the wifi in the tablet, the client entry stays in the WLC client table until it times out. The WLC removes my tablet from the client table after 5-6 minutes, and then the session closes in the accounting table. I can force the session to close much earlier by manually removing the client from the WLC.
2. Same as #1, but this time instead of turning of the wifi in the tablet, I choose to connect to a different WLAN in the WLC. The user session in the accounting DB never closes. If I reconnect back to the original test WLAN with 802.1x, it opens up yet another user session in RADIUS accounting. Now I have a "dead" user session in accounting that is going to be open forever unless I delete it from SQL.
Is this an issue with the end user client not sending the disassociation frame properly, or a config problem with the WLC? How can I make it so that every time a client drops from an AP or moves to a different WLAN, the WLC would immediately send accounting updates to my RADIUS server and close the user session properly?
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Jan 30, 2013
I am biulding a wireless network with 5508 WLC and trying to use ISE as radius server and also to redirect the web-login to it.I was trying to understand that to achieve the external web-login, do i need to use the raduius-nac option under advanced on the guest wireless where i am trying this out. and if not, where do i actually use it?So far what i have understood that i do need to have preauth ACL on the Layer 3 security, but the issue is there is no hit reaching the ISE.
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Mar 18, 2013
I'm working on a project where a wi-fi client is tracked and located using RADIUS authentication requests. The problem I'm running into is that the WLC (5508) sends an RADIUS authentication request to my freeradiusd, which is ok so far, but if the client roams to another accesspoint (3602AG, 1131AG, 1252AG), the WLC does not send a further RADIUS auth. request - and the client is allowed to connect to the next ap.Is there an option like RADIUS-cache which I can disable, so that the WLC sends everytime an authentication request when a client tries to connect to an ap or roams from one ap to another one?
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Dec 18, 2012
Can I use WLC 5508 with OpenLDAP directly (without radius) ?
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Feb 16, 2012
I am setting up a WIFI network with a Cisco 5508 controller. I want to configure a first WIFI network (WIFI1) that will authenticate my business laptop based on the AD computer accounts and will access my corporate network.I want to setup a second WIFI network (WIFI2) that will authenticate my phones and tablets devices with AD user accounts and will be on a separate vlan with only access to the Internet.I created 2 policies on the Radius server : one that authenticate computers coming from wireless and a second one authenticating users coming from wireless.
if a user manually creates the WIFI1 network on his phone and enter his AD username, he is going to have access to the corporate network. I would like to be able to say that when a request is coming from WIFI1, only the policy for authenticating wireless devices with computer accounts will apply and the second policy authenticating user wouldn't apply.
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Oct 9, 2012
I'm running version 7.2.111.3 on my WLC 5508 and I try to figure out how I can set PEAP towards my configurerd Radius servers. On my Local EAP profile I can specify PEAP, but how is it default configurerd when you just specify the radius servers on the "WLANs > Edit Test > security > AAA servers tab ?
The MS radius logs tell me that it is EAP and not PEAP, so the questions is does the WLC support Microsoft: Protected EAP ???
Dot1x_NW_MsgTask_0: Oct 10 11:02:27.279: 24:77:03:07:75:28 AAA EAP Packet created request = 0x1bd4647c.. !!!! -> should be AAA PEAP ?
*Dot1x_NW_MsgTask_0: Oct 10 11:02:27.279: 24:77:03:07:75:28 Sending EAP Attribute (code=2, length=35, id=2) for mobile 24:77:03:07:75:28*Dot1x_NW_MsgTask_0: Oct 10 11:02:27.280: 24:77:03:07:75:28 [BE-req] Radius EAP/Local WLAN 3.
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Jun 3, 2011
I am using a win server 2008 in my company, recently my staff have being using internet a lot for downloading and many other unnecessary software therby redusing overall bandwidth.Is there any software solution i can use for controlling bandwidth of my client computer from server2008 computer.
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Feb 15, 2012
I have just installed LMS 4.1 on a Win2008serverR2. Getting started and discovery are OK. Then I tried to configure all parameters under the Admin Menu. I have a problem with SWIM : the "repository" directory does not exist ! I also tried to import an IOS file into the repository : no way.
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May 22, 2013
We are experiencing a lot of these RADIUS failed to respond messages on our WLC's leading to a lot of RADIUS server hopping within the WLC.We are using Cisco 5508's, 1142 AP's and a Microsoft NPS RADIUS backend. SSID is WPA2+802.1xThe first workaround to this problem was to disable aggressive failover on the WLC. But this is only a temporary fix, because in the end, there will be more than 3 consequetive clients, failing to authenticate to the WLAN network. As a result, the WLC will swap to the 2nd RADIUS server configured.When we dived into this a little bit more we saw the following messages being logged on the RADIUS backend at the time we saw the RADIUS messages on the WL:Event ID: 6274: Network Policy Server discarded the request for a user.
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Jan 23, 2013
I am trying to follow the Fips guide for the WLC5508 and it wants to encrypt the connection to the Radius, either with PSK key wrap or IPsec. I have the options for Ipsec only as the Windoes NPS does not support Key wrap from what a previous user confirmed for me here on the board.. But then found another post that states that the 5508 does not support IPsec?
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Apr 28, 2013
I would like to know if microsoft 2008 server RADIUS server could be use for authentication on Cosco 5508 instead of Cisco ACS.
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Sep 18, 2011
Since I moved our WLC Controller ( 5508 ) from Version 7.0 to Version 7.2.111.3 I got above failure messages. Until now I changed the radius timeout from 2 to 10 seconds and also I disabled the aggressive failover without success. What else it could be ?
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Mar 7, 2013
I have a wireless network infrastructure that is controlled by two WLC 5508s, Prime NCS and ISE. I have two networks for my users, an employee network and a student network. I started publishing the information for these networks via a group policy and the settings are identical, with the exception to the SSID.
My employees can logon to the employee network with no problems. I can walk up to any laptop, regardless if I have logged on to it before or not, and logon with no issues. ISE correctly profiles my account and authorizes me for the right profile. My students however are another story. Laptops that are designated for student use have the wireless network in their network list, and at the logon it shows that it will attempt to connect to the STUDENTS network. When I enter in a student username and password, it begins to login but then gives an error that says:
'There are currently no logon servers available to process the logon request'
The students cannot login at all. I can use my domain admin or my account and login to one of the units with no problem, even if I haven't logged onto the unit before with that account.
I don't know if this is an ISE issue or some other type of issue. I'm leaning towards ISE being the issue, since its what is passing authentication through to the domain. I have my students all in groups and I have those groups added to ISE, just like I have my employees added.
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Dec 4, 2012
I am trying to block access to facebook and twitter on my router, to a certain range of ips, 192.168.1.8 - 254. I have been digging around and trying stuff but all I do seems to restrict everyone access to the internet.
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Jul 26, 2011
We are using ACS 5.1 in our network. We have created users and grouped them as per the requirements. We want to restrict the user sessions in the network. A user should authenticate and able to access a network resource. But when he is active with that session, we need to block him from another successful authentication. We want to avoid multiple users using same user credentials for logging into the devices. whether this can be achieved by making configuration changes in ACS.
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