802.1x dynamic vlan assignment using ACS 4.2

Hi
we have 10 switches 2960 configured with 802.1x authentication against ACS server 4.2.
we have 2 vlans configured on the switches for administrator and endusers. the end user vlan id is 10 and the administartor vlan is is 100.
we need to apply the following scenario, if the enduser PC - that is connected to vlan 10 - has an issue and the administrator will login to the PC with the administrator account to fix that issue, the switch should dynamically reconfigure the port with the administrator vlan ( 100 ) .
is the above scenario doable using dot1x with the ACS server?
waiting your replies
Mohamed

Hi,
I have the following scenario
2 bulidings with multiple floor
Each floor should be in different VLAN.
The network should be authenticated with 802.1x and each switch port should be assigned with dynamic VLAN from ACS.
Each
user should be able to connect and roam around between any building.
when ever a user is connecting his laptop to any floor, he should be
made part of that respective vlan. It is not requred to have the same
IP rage to be allocated, but the dynamic VLAN should be based on the
switch port location.
Can
I configure ACS in such a way that, the ACS will allocate dynamic VLAN
for every 802.1x authentication based on the Network Device Group.
Please refer the attached diagram
Hi,
Check out the below link for your requirement for dynamic vlan assignement using ACS
http://www.ciscosystems.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml
Hope to Help !!
Ganesh.H
Remember to rate the helpful post

Similar Messages

802.1x Dynamic Vlan assignment using ACS

Hi,
I have the following scenario
2 bulidings with multiple floor
Each floor should be in different VLAN.
The network should be authenticated with 802.1x and each switch port should be assigned with dynamic VLAN from ACS.
Each user should be able to connect and roam around between any building. when ever a user is connecting his laptop to any floor, he should be made part of that respective vlan. It is not requred to have the same IP rage to be allocated, but the dynamic VLAN should be based on the switch port location.
Can I configure ACS in such a way that, the ACS will allocate dynamic VLAN for every 802.1x authentication based on the Network Device Group. Please refer the attached diagram

Hi,
I have the following scenario
2 bulidings with multiple floor
Each floor should be in different VLAN.
The network should be authenticated with 802.1x and each switch port should be assigned with dynamic VLAN from ACS.
Each
user should be able to connect and roam around between any building.
when ever a user is connecting his laptop to any floor, he should be
made part of that respective vlan. It is not requred to have the same
IP rage to be allocated, but the dynamic VLAN should be based on the
switch port location.
Can
I configure ACS in such a way that, the ACS will allocate dynamic VLAN
for every 802.1x authentication based on the Network Device Group.
Please refer the attached diagram
Hi,
Check out the below link for your requirement for dynamic vlan assignement using ACS
http://www.ciscosystems.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml
Hope to Help !!
Ganesh.H
Remember to rate the helpful post

802.1x dynamic VLAN assignment with Radius NPS Server

I can NOT get the NPS and Cisco 3550 switch to drop the authenticated user in a VLAN.
I have followed this documentation,
http://msdn.microsoft.com/en-us/library/dd314181(v=ws.10).aspx
that basically says to use these Radius attributes,
Tunnel-Medium-Type : 802
Tunnel-Pvt-Group-ID : My_VLAN_Number (also tried VLAN name)
Tunnel-Type : VLAN
There is some Cisco documentation that says to use Vendor Specific attributes Cisco-AV-Pair,
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2950/software/release/12-1_19_ea1/configuration/guide/2950scg/swauthen.html#wpxref83693
and I have also tried that,
cisco-avpair= "tunnel-type(#64)=VLAN(13)"
cisco-avpair= "tunnel-medium-type(#65)=802 media(6)"
cisco-avpair= "tunnel-private-group-ID(#81)=vlanid"
My user authenticates on the port fine, but doesn't get put into a VLAN. If I add "sw acc vlan 110" then the user authenticates and then does get an IP address in that VLAN and all is well.
Anybody know how to get dynamic VLAN assignment working with NPS?
NPS on Win 2012 R2
Domain controller separate Win 2012 R2 server
Cisco 3550 switch

Hi All, Can any one guide me to
configure 802.1x with acs 5.0. Its totally new look and m not able to
find document related to 802.1x.Thanks
Hi,
Check out the below link on how to configure 802.1x and ACS administration hope to help !!
http://www.cisco.com/en/US/tech/tk389/tk814/technologies_configuration_example09186a00808abf2d.shtml#MDA
Ganesh.H

802.1x dynamic vlan assignment based on MAC?

Hello,
I am using Catalyst3750 and Widows AD Authentication.
Our customers' pc is runnnig Windows (isn't 802.1x capable) that is connected to the catalyst switch.
Is it possible to dynamic assign a Vlan based on MAC?
When possible, we want to make it without using VMPS.
and, is there any document relating to the above.
Thanks a lot for you help.
Tomoyuki

Hello Tomoyuki,
which Radius Server are you using to authenticate your Clients?
For the Secure ACS you can configure a feature called "MAC-Authentication-Bypass" which fullfils your requirements.
This Feature must be configured on the Switch and on the Radius Server (which does the vlan assigment based on the MAC-Address of the Client)
An Overwiew of this feature can be found here:
http://www.cisco.com/univercd/cc/td/doc/solution/macauthb.pdf
I hope this helps,
Kind regards,
Chris

802.1x dynamic vlan assignment with acs5.0

Hi All, Can any one guide me to configure 802.1x with acs 5.0. Its totally new look and m not able to find document related to 802.1x.
Thanks

Hi All, Can any one guide me to
configure 802.1x with acs 5.0. Its totally new look and m not able to
find document related to 802.1x.Thanks
Hi,
Check out the below link on how to configure 802.1x and ACS administration hope to help !!
http://www.cisco.com/en/US/tech/tk389/tk814/technologies_configuration_example09186a00808abf2d.shtml#MDA
Ganesh.H

5508 and dynamic vlan assignement

Hello,
I'm trying to setup a 5508 to work with dynamic vlan assignement using the same SSID.
I've followed everyting in this document http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml
but it doesn't work, every client independent of the RADIUS group is assigned to the same VLAN.
The only difference I have with that document is the [081] Tunnel-Private-Group-ID for which I use a string (nessesary for the LAN switches which use the same RADIUS) instead of a number.
What I see when sniffing the RADIUS traffic, every option is sent correctly to the WLC, from the WLC side and using the debug aaa events enable option I see nothing interesting.
Any ideas?
Thanks
George

A bit more debugging gave me this:
*Oct 15 09:31:28.491: xx:xx:xx:xx:xx:xx Received Tunnel-Group-ID Attribute -- ignoring AES Interface-Name '200' for STA xx:xx:xx:xx:xx:xx.
*Oct 15 09:31:28.491: xx:xx:xx:xx:xx:xx Tunnel-Type 16777229 should be 13 for STA xx:xx:xx:xx:xx:xx
(xx:xx:xx:xx:xx:xx is the client mac address)
It seems that:
1. WLC ignores the [14179\005] Aire-Interface-Name parameter regardless of what the value is (I have tried the vlan number, the interface name etc)
2. the second error is that the tunnel-type 16777229 should be 13. The tunnel-type has the value VLAN as required according to the Cisco document and in general for this to work. Funny thing is that RFC2868 doesn't define a value of 13 but RFC3580 define VLAN as value 13 so again I've set the correct value.
So I don't really know what to do now. I guess I have to open a TAC ticket.

802.1X for wired environments using Radius/ACS for Dynamic Vlan Assignment

Currently Being Moderated
802.1X for wired environments using Radius/ACS for Dynamic Vlan Assignment
Could someone please provide me with a simplest set of configuration steps to fire up Radius in ACS and 802.1X for dynamic vlan assignment. The objective is to roll out NAC L2 OOB using the 802.1X method for dymamic vlan assignments.
If possible show:
1. ACS/Radius Configurations.
2. End User Switch Configurations
Variables:
Switch A
MAC Address aaaa.bbbb.cccc     Vlan 10
            bbbb.cccc.dddd     Vlan 20
Also, if someone posts the Pros and Cons of using Radius/ACS/802.1X for Dynamic Vlan Assignments.
Other technology sets that can be used for Dynamic Vlan assignment EXCEPT from deprecated/obsolete VMPS.
Thanks in advance. .

Hi Guys,
    Hmmm, well if your just looking for Mac based authentication the good news is that is very easy. Just set create your Radius server, ACS, FreeRadius, Steelbelted radius etc. Then create user with the name of the Mac address, in other words if the mac address is 0012.0021.1122 the the name would be 001200211122 and the password would be the mac address. Then you set the vlan and tunnel stuff, like so tunnel-Type would be vlan, Tunnel-medium would be 802 and Tunnel-Private-Group-ID is the name of the vlan(not the vlan number)
   So for the Cisco ACS 4.x you would create a user as specified above, fill in all the password boxes with MAC address, I believe the mac has to be all lower case in the name and the password. Then check the Separate(Chap/MS-Chap/ARAP) box. Then you pick the group the machine belongs to, the group is the part that defines what vlan it is on.
   Before you create the user, create the group with info I wrote above and in addition specify the Service-Type as Authenticate Only.
    Freeradius is a bit harder to configure the specifics and I am just now testing a freeradius server so I do not know the process for Machine authentication.
    If, however, you are trying to authenticate a user that gets a bit trickier and is not so straight forward.

Dynamic VLAN assignment with WLC and ACS for

Currently, using our autonomous APs and ACS, our users get separate VLANs per building based on their security level (students or staff). Basically, the student VLAN in one building is different from that of the student VLANs in other buildings on campus. Currently, we do this by filling the Tunnel-Private-Group-ID IETF RADIUS attribute with the VLAN name. This all works because each individual AP can map VLAN names to different VLANs like this:
dot11 vlan-name STUDENT vlan 2903
dot11 vlan-name FACSTAF vlan 2905
As we are working on our WiSM deployment, we see that the document below shows how to do the dynamic VLAN assignment on our WLAN controllers:
http://www.cisco.com/en/US/customer/products/sw/secursw/ps2086/products_configuration_example09186a00808c9bd1.shtml
However, we haven't figured out if it's possible to still provide our users with different VLANs for each building they're in.
With the instructions above, it looks like ACS uses a Cisco RADIUS Attribute to indicate the Air-Interface-Name, mapping an ACS/AD group to a single WLC interface which can only have one VLAN/subnet associated with it.
Does anybody know if what we're trying to accomplish is possible, or if we're really stuck with only one VLAN/subnet per mapped ACS group?

We only have the one WiSM for all of campus, so it's handling everything. This Cisco docs do indicate how to put differnet users in different Vlans, but we don't currently see a way to also put them in different subnets per building.
This being the case, any suggestions on how best to handle more than a Class C subnet's worth of users? Should we just subnet larger than Class C, or is there a more elegant way of handling this?

802.1x authetication with dynamic Vlan assignment by a radius server

Hi
At school I want to start using 802.1x authentication with dynamic Vlan assignment by a Windows Server 2012R2 Radius server.
When a student logs in, I want it to be placed in the "Students" Vlan, when a Administrative employee logs in, I want it to be placed in the "Administative" vlan and when the client is unknown I want to place it in the "Guest" Vlan.
I have several SG200 switches and I configured everything as mentioned in the administrative guide but I cannot get it to work as desired.
What does work:
- If the client is permitted, the switch changes to "authorized" state. (before anyone logs on to the domain with that client)
- When a User logs on that is part of the Administrative employees, the switch changes to "authorized" and when a student logs on, it changes to "unauthorized".
So far so good.
But what doesn't work:
- it does not put the administrative employee in the Vlan "Administrative", it just enables the port on the switch but leaves it in the default vlan 1.
- I can not find the Guest VLAN.
Any help would be appriciated.

Hi Wouter,
Can you see in the packet capture Radius accept message VLAN attribute? Also please ensure you have the latest firmware and boot code:
http://www.cisco.com/c/en/us/support/switches/sg200-26-26-port-gigabit-smart-switch/model.html#~rdtab1
I would recommend you to open ticket with Small Business team so they can go with you through packet capture and configuration steps:
http://www.cisco.com/c/en/us/support/web/tsd-cisco-small-business-support-center-contacts.html
Regards,
Aleksandra

871 802.1x with vlan assignment aka dynamic vlan

you can do vlan assignment on 871W wireless using the local radius server but unfort only LEAP which is N.G.
I have been pounding on wired 802.1x PEAP (which works) trying to get vlan re-assignment. Have tried with IAS which I am using to do vlan reassignment with the WLC so I have the idea of how it works with IAS. With 871, no go. Have also tried ACS for radius with same results: can't escape the switchport's vlan. With debug radius local you can see the tunnel attributes for reassignment plainly but with debug radius with IAS or ACS, nada.
Using 12.4(6)T advanced IP.
I have just seen that 12.4(4)CX2 has "802.1x with vlan reassignment" but the download is MIA. Wonder what's up with that?
Has anybody got this to work? Any info much appreciated
Greg Turner

SSH isn't available on the SI version of the 2950 as you require the Crypto features and these are not available for the SI (the documentation is a little vague here but trust me I have upgraded one and it doesn't like it...). The documentation says 'Switches that support only the SI cannot run the cryptographic image.'
802.1x with VLAN assignment is available only in the latest IOS - or at least since 12.1(22).
SNMPv3 is supported.
HTH
Andy

802.1x RADIUS with EAP-TLS/EAP-TTLS & Dynamic VLAN Assignment

Hello, My team is looking for switches supporting 802.1x authentication on either EAP-TTLS or EAP-TLS protocols with dynamic vlan assignment enabled for these. Looking at the data sheets of the Linksys desktop switches, I found only SLM224G4PS and SLM224G4S models to support EAP-TLS or EAP-TTLS. Am I right? Do they support Dynamic VLAN Assigment for either of those protocols? This is not explicitly mentioned in the data sheets, and I happen to find switches from other manufacturers that announce to support EAP-TLS/EAP-TTLS but no dynamic vlan assignment. Thank you for any help.

SLM switches do support 802.1x RADIUS with EAP-TLS/EAP-TTLS unlike the SRW switches which support MD5. But I don't think that they support Dynamic VLAN.

Dynamic VLAN Assignment + NPS

Hello,
I'm planning a deployment with the following:
5508 WLC running 7.0.222.0
NCS 1.0.2.29
50+ 3502i AP's
Windows 2008 R2 running NPS
EAP-TLS for authentication
The end goal is to have a single SSID and utilize NPS to dynamically assign VLAN's depending on role/group.
I've read several documents that use ACS to complete the dynamic VLAN assignment (inclduing http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008076317c.shtml), however in this case ACS is not available.
My question basically is; do I need ACS to apply the VSA for Cisco Airespace, or can this be done solely with the following IETF attributes using Microsoft NPS and AAA override on the WLC?
[64] Tunnel-Type
[65] Tunnel-Medium-Type
[81] Tunnel-Pvt-Group-ID
Any advice would be greatly appreicated!
Thanks

Thanks Steve for your quick response.
I did everything as per your recommendation and it still doesnt work.
Do you mind providing me a remote assistance, do you have Skype?
Or your prefer that I provide you a set of logs, tell me which one and I will do so.
SSID:TT
@IP WLC: 172.20.252.70
NPS: 172.20.1.16
config rule NPS: service-Type: NAS Prompt
                         Tunnel-Type: VLAN
                         Tunnel-pvt-group-ID:10
                         Tunnel-Meduim-Type:802
log WLC:
*radiusTransportThread: Sep 19 12:32:47.841: ****Enter processIncomingMessages: response code=2
*radiusTransportThread: Sep 19 12:32:47.841: ****Enter processRadiusResponse: response code=2
*radiusTransportThread: Sep 19 12:32:47.841: 8c:70:5a:1c:8e:20 Access-Accept received from RADIUS server 172.20.1.16 for mobile 8c:70:5a:1c:8e:20 receiveId = 4
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.841: 8c:70:5a:1c:8e:20 Processing Access-Accept for mobile 8c:70:5a:1c:8e:20
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.842: 8c:70:5a:1c:8e:20 Applying new AAA override for station 8c:70:5a:1c:8e:20
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.842: 8c:70:5a:1c:8e:20 Override values for station 8c:70:5a:1c:8e:20
source: 4, valid bits: 0x200
qosLevel: -1, dscp: 0xffffffff, dot1pTag: 0xffffffff, sessionTimeout: -1
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.842: 8c:70:5a:1c:8e:20 Override values (cont..) dataAvgC: -1, rTAvgC: -1, dataBurstC: -1, rTimeBurstC: -1
vlanIfName: 'dy-data-ksb1', aclName: ''
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.842: 8c:70:5a:1c:8e:20 Inserting new RADIUS override into chain for station 8c:70:5a:1c:8e:20
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Override values for station 8c:70:5a:1c:8e:20
source: 4, valid bits: 0x200
qosLevel: -1, dscp: 0xffffffff, dot1pTag: 0xffffffff, sessionTimeout: -1
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Override values (cont..) dataAvgC: -1, rTAvgC: -1, dataBurstC: -1, rTimeBurstC: -1
vlanIfName: 'dy-data-ksb1', aclName: ''
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Applying override policy from source Override Summation:
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Override values for station 8c:70:5a:1c:8e:20
source: 256, valid bits: 0x200
qosLevel: -1, dscp: 0xffffffff, dot1pTag: 0xffffffff, sessionTimeout: -1
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Override values (cont..) dataAvgC: -1, rTAvgC: -1, dataBurstC: -1, rTimeBurstC: -1
vlanIfName: 'dy-data-ksb1', aclName: ''
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.843: 8c:70:5a:1c:8e:20 Setting re-auth timeout to 1800 seconds, got from WLAN config.
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.844: 8c:70:5a:1c:8e:20 Station 8c:70:5a:1c:8e:20 setting dot1x reauth timeout = 1800
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.844: 8c:70:5a:1c:8e:20 Creating a PKC PMKID Cache entry for station 8c:70:5a:1c:8e:20 (RSN 2)
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.844: 8c:70:5a:1c:8e:20 Adding BSSID 00:1e:be:a7:bf:b6 to PMKID cache for station 8c:70:5a:1c:8e:20
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.844: New PMKID: (16)
*Dot1x_NW_MsgTask_0: Sep 19 12:32:47.844:      [0000] 80 36

Yet another IAS + 802.1x dynamic vlan question

hello all
For the last 18 months or so there's been a steady stream of folks trying to get dynamic assignment of a vlan to a user/group using Microsofts IAS Radius.
Having searched thru the Netpro archives, I've never found a definitive explaination of how this is done.
Sure, its almost common knowledge by now that the three attributes 64(Tunnel-Type=vlan), 65(Tunnel-Medium=802) and 81(Tunnel-Private-Group-ID=vlan name) need to be configured on the Radius Server.
Recently I discovered that IAS on windows 2003 even includes the Radius "tunnel-tag" attribute, so even that can be included now(as =1).
Still, having done this, and seeing a "debug radius" on a 2950 switch (with newest code) show the the tunnel-tag starts with "01" --- i STIll can't get this darn thing to work.
Yes, it works for static 802.1x(no vlan assignment) against a XP sp2 client .
Yes, I included the "aaa authorization network default group radius" statement.
If I configure a vlan 5 named "Sales" --- nothing works. Not when I configure attribute 81=Sales in IAS, not when I configure "5" in IAS. Heck, I even used hex values--- till I got
" Attribute 81 6 01000005 " in the debug,
all sorts of permutations.
Please Cisco, somebody --- help us out here.
The fact of the matter is, though ACS is probably the best way to go(it does NAC & FAST), alot of clients say "hey - I've got a perfectly good Radius Server for FREE in Windows".
Can anybody shed some light on this!

Here is working IAS settings and switch config:
Ignore-User-Dialin-Properties 4101 True
Framed-Protocol 7 PPP
Service-Type 6 Framed
Tunnel-Medium-Type 65 802
Tunnel-Pvt-Group-ID 81 102
Tunnel-Type 64 VLAN
Tunnel-Tag 4170 1
*Note that I have VLAN#, not VLAN name on attribute 81
aaa new-model
aaa authentication dot1x default group radius none
aaa authorization network default group radius none
aaa accounting dot1x default start-stop group radius
dot1x system-auth-control
interface FastEthernet0/1
switchport access vlan 100
switchport mode access
dot1x port-control auto
dot1x timeout reauth-period 300
dot1x guest-vlan 997
dot1x reauthentication
spanning-tree portfast

Dynamic VLAN assignment on SG300

Cisco documentation states that dynamic vlan assignment via RADIUS should provide the following IETF values:
The RADIUS user attributes used for the VLAN ID assignment are:
IETF 64 (Tunnel Type)—Set this to VLAN.
IETF 65 (Tunnel Medium Type)—Set this to 802
IETF 81 (Tunnel Private Group ID)—Set this to VLAN ID
I have done so with an Aruba Clearpass RADIUS server - but the Access-Accept message being sent below:
Radius:IETF:Tunnel-Medium-Type    6
Radius:IETF:Tunnel-Private-Group-Id    4
Radius:IETF:Tunnel-Type    13
is being received by the SG300 in some way that's not being interpreted correctly. Log files indicate that the IETF values are not what is expected:
07-Aug-2014 18:58:41 :%SEC-W-SUPPLICANTUNAUTHORIZED: username teststudent with MAC 00:11:25:d8:42:83 was rejected on port gi2 because Radius accept message does not contain VLAN ID
07-Aug-2014 18:58:41 :%AAAEAP-W-RADIUSREPLY: Invalid attribute 65 ignored - tag should be 0
07-Aug-2014 18:58:41 :%AAAEAP-W-RADIUSREPLY: Invalid attribute 64 ignored - tag should be 0
Is there something I'm missing here? These same values sent by the Clearpass RADIUS server are working for other switches such as Extreme and Brocade.
Thanks,
Aaron

Hi Aleksandra,
Here are the values from a packet capture of the Access-Accept message:

Dynamic vlan assignment does not work

Hello,
I have been trying to configure dynamic vlan assignment for the employee wlan. Trying to put the employee on vlan 20
Here are the components used
WLC: 2100 Software version: 7.0.240.0
AP: 3502I IOS version: 12.4 Mini IOS version: 7.0
Radius server: tried mutiple radius servers (rsa radius , free radius)
On the WLC:
1. Created a AAA server.
2. Along with management interface(vlan 10), configured dynamic interfaces (vlan 20, vlan 30)
3. AP manager interface is on vlan 40
4. Created WLAN assigned to management interface-- WPA2 (AES) , 802.1x
5. on AAA servers tab - checked authentication servers and assigned the AAA server. authentication priority order is set to only radius
Here, I have 2 options for radius overwrite.
one on the AAA servers tab
second on the Advanced tab
I have selected both. or one at a time
Ports between WLC and switch is a trunk
On the AP:
1. Local mode
2. Port between AP and switch switchport access - vlan 40
On radius server:
configured WLC's management interface as client
and assigned the following attributes
tunnel-type := vlan
tunnel-medium-type = ieee-802
tunnel-private-group-id = 20
When i try to authenticate with an iphone it is successful. But it puts me on the same interface as management interface (vlan10). When i do the packet capture i do see the access-accept but i dont see the attributes.
when i use a radius test utility against the radius server I do receive all the attributes.
Im a newbie on this. Iam i missing something here? any help will be much appreciated.

Kindly check the following link for reference.
sample configuration link
http://www.cisco.com/c/en/us/td/docs/wireless/controller/5700/software/release/3se/security/configuration_guide/b_sec_3se_5700_cg/b_sec_1501_3850_cg_chapter_01110.html
http://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0/configuration/guide/c70/c70intf.html
Trouble shooting link
http://www.cisco.com/c/en/us/support/docs/security/secure-access-control-system/113485-acs5x-tshoot.html

802.1x dynamic vlan assignment using ACS 4.2

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