Wireless webauth with ISE

Hello,
I have a wlan in my controller with redirect feature in ise guest portal.
The question is, there some "feature" to disconnect the clients if the connection is idle by one hour or less?
If yes, this configuration is made in ISE ou in the Controller?
Another question, i need to block simultaneos login in ISE guest portal, its possible? I have ISE version 1.1.2.
Thanks.
Rafael

Well, they're timers for two different things. The Controller -> General is an idle/activity timer. When we don't "hear" any transmissions for this client for this length of time, we will deauthenticate regardless if there is still time remaining in the "Session timeout" configured in the WLAN/Advanced tab.
However, if the client is being heard, and the idle timeout is not expiring, the Session timer will cause the client to be deauthenticated when it expires. In that sense, the session timer is a hard stop timer in that it begins counting when the client hits the RUN state and when it counts down the session is over, regardless if they user is idle or not.
The idle timer counts down from last transmission received and when it expires the client deauthenticates regardless if the session timer has been reached.
So in a sense these don't "override" one another, but whichever is reached first will cause the deauthentication. Does that make sense?

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Guest WebAuth with ISE and WLC

I have a couple of issues with this solution:
a) Each time a user logs in, the untrusted certificate message appears twice. The first one with the WLC IP address, the second one with the ISE IP address. Is this a bug or some kind of mistake configuration?
b) In the Guest Accounting report every guest session is reported twice. One with the correct log in and log out times, the second indicates the user is still on network even after several days he/she had been disconnected.
I think the second issue is in some way related with the first one.
Thanks in advance
Daniel Escalante

I am trying to figure out the protocol sequence:
1) The PC client gets IP address from the DHCP (anchor WLC in this case)
2) When the browser is open and a HTML request is send, the WLC intercepts it and redirect to ISE
3) Before the Guest Authentication Portal is displayed in the browser PC, an untrusted certicate message coming from the ISE should be displayed.
4) Once the untrusted certificate message is accepted (continue), the guest authentication portal is displayed
5) The user type in its credentials
6) the Successful Login message is received with the WLC IP address
7) the user is able to browse the internet
The problem appears in steps 3 and 4. The untrusted certificate message is first showed with the WLC Virtual IP address and then with the ISE IP address.
I think the message with the WLC address should not be sent, only the ISE message.
In Step 6 the successful login message should indicate the ISE IP address, no the WLC IP Virtual address.
I will appreciate your assistance to clarify the event sequence and proper functionality
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ISE CWA WebAuth with WLC

Hi all,
I have a few questions regarding WebAuth or Guest access with ISE. I have setup a guest portal to do CWA and use ISE guest portal
as the redirect page.
I'm using ISE 1.1.2 and WLC version 7.3.101
1- I have an issue authenticating with Chrome on W7 and android. I receive the splash page, i can authenticate but i always receive this error message. With IE and firefox i can accept and add an exception and authenticate successfully.

Hi,
Your best bet is to run true CWA and not use the redirect feature on the controller. Just allow dns and access to port 8443 in the ACL that is referenced by ISE when it sends the CWA redirect. You can use mac filtering as your L2 authentication.
This will help in your redundant scenario so that when one ise goes down the second ise can send the CWA over to it.
As far as certs if you are using mobile devices you may want to consider 3rd party certs.
Let me know if that helps.
Tarik Admani
*Please rate helpful posts*

ISE wireless CPP with redirect exclusions, possible?

Hi all, a little bit of a tricky situation here. I've got a wireless network and ISE 1.1.1. The wireless is mixed 7.0 and 7.3 code.
On an ISE wired installation it's easy to have an authorization rule that URL redirects users to the client provisioning portal *BUT* to have a redirect ACL on the switch with deny statements that excludes specific websites from the redirection. This is done so users can click on remediation links from the NAC Agent and get to websites to download anti-virus, sig updates, windows updates, etc... but all other web attempts get redirected to the CPP.
All fine and it works perfectly on the wired network. HOWEVER, I can't seem to find a similar way to do this on the wireless network. While you can create a posture redirection policy to send them to the CPP with an ACL, that ACL seems to only permit or deny traffic per a standard ACL. Meaning a user gets on but any attempt to go anywhere in a browser redirects to the CPP. This makes it impossible to get to the remediation pages.
Is there any way to accomplish what I'm trying to do here? It seems like it should be a basic function.

Sorry I had some personal issues to deal with and just got a chance to follow up on this. Firs of all, good job on figuring it out and posting the findings back here! (+5) from me for that!
To answer your questions:
#1. You are 100% about the logic on the WLC ACLs vs Switch ACLs. On switches "deny" means "don't redirect" the traffic, thus permit it on the network. On the WLCs "deny" means "redirect" the traffic, hence don't allow it on the network. I am not sure why Cisco did this but different BUs, different teams, etc
#2. You are also correct on this one. Your vWLC and ISE are working as expected. While switches support dACLs, WLCs only support "named ACL." As a result, when referencing ACLs on ISE for wireless, that ACL has to exist on the WLC and it MUST BE NAMED THE SAME or it won't work.
Hope this helps. If you issues are resolved please mark the thread as "answered"
Thank you for rating!

Wireless LWA and ISE - unable to get past AUP

I have a very strange issue with wireless WebAuth where the users get redirected successfully to the WebAuth page and can enter their credentials, but once they accept the AUP they get redirected right back to the login page. ISE 1.1 and WLC 7.0.235.0.
On my WLAN, I have L3 web policy Authentication enabled, an ACL-WEBAUTH-REDIRECT preauth ACL, AAA override and external URL redirect to my local policy service node with the following syntax - https://<server FQDN>:8443/guestportal/Login.action
On ISE, my default authorization policy is WebAuth and I have another policy above that to identify my Guest identity group to be given InternetOnly permissions.
Same results occur for internal guest user identity and sponsor guest identities. From Operations>Authentications, I see the successful authentication of the guest account, but it is not applying the authorization profile. When I view the client in the WLC, I see the state is WEBAUTH_REQD. It appears the redirect is maybe not attaching a session ID to the end users. Tried from several different devices and getting the same results. Also tried to build a wired CWA and also having the same results. User always gets redirected to the webauth page and can login, but acceptance of the AUP just brings the user back to the login page in an endless loop.
I feel like I am missing something simple here. Anyone have any ideas?
Thanks,
Brian

I have found that specifying the AAA server under the WLAN appears to fix the issue, although this configuration is not listed as a requirement in the Trustsec DIG 2.0. The WLC had other AAA servers configured globally and the session was likely defaulting the authentication request to one of those servers. By statically defining the AAA server under the WLAN, we can ensure the authentication goes to the proper server.

URL is not change after successful authenticate with ISE 1.1.1

Hi,
I have setup Cisco Identity Service Engine (1.1.1) with Wireless LAN Controller (7.2.110)
Everything is complete unless the URL redirect. My guest client can join the Guest SSID and also can authenticate to ISE.
But after they success to authenticate with ISE, the URL in the browser doesn't change to the pre-configure. It still be something like https://ise-ip:8443/guestportal/redir.html . Anyway the content in the browser is changed to the URL that being configured such as http://www.google.com/
How can I do with this situation cause everything is working fine but only the browser URL that is not change to the preconfigure one.
Thanks,
Pongsatorn

Hi,
This is the user experience when using central web authentication:
http://www.cisco.com/en/US/products/ps11640/products_configuration_example09186a0080ba6514.shtml#final
Here is the process when you use local web authentication:
http://www.cisco.com/en/US/docs/security/ise/1.1/user_guide/ise_guest_pol.html#wp1295223
Hope this helps,
Tarik Admani
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Apple macosx machine authentication with ISE using EAP-TLS

Hello,
On a ongoing setup we are using eap-tls authentication with account validation against AD. We have our own CA (microsoft based). ISE version 1.2.1 patch 1.
With windows machines all is working well. We are using computer authentication only.
Now the problem is that we wish to do the same with MAC OSX machines.
We are using casper software suite and are able to push certificates into macosx, and are doing machine authentication.
in ISE the certificate authentication profile is being set to look at the subject alternative name - DNS name of the machines. Whenever we set it to the UPN (hostname$) windows accounts are not found in ad.
When MAC OSX authenticate as machines (they have a computer account in AD) they present themselves with RADIUS-Username = hostname$ instead of host/hostname.
The consequence is that by lacking the host/, ISE considers that this is a user authentication, instead of a computer one, and when it sets off to find the account, it searches in User class instead of Computer - which obviously returns no results.
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Any similar experiences of authenticating MAC OSX with ISE and machine/computer authentication are welcome.
Thanks
Gustavo Novais

Additional information from the above question.
I have the following setup;
ACS 3.2(3) built 11 appliance
-Cisco AP1200 wireless access point
-Novell NDS to be used as an external database
-Windows 2003 enterprise with standalone Certificate Authorithy Services Installed
-Windows XP SP2 Client
My Goal is to use Windows XP Native Wlan Utility to connect to AP using EAP-TLS authentication against Novell NDS.
Tried to connect using Cisco compatible wlaN utility and authenticate using EAP-GTC against Novell NDS for for users, it works fine and perfectly.
When connecting using EAP-TLS, I am getting an error from ACS failed attempt "Auth type Not supported by External DB". But in the ACS documentation says that it supports EAP-TLS. How true is this? Is there anybody have the same problem? Do I need to upgrade my ACS? What should I do? What other authentication type could be used to utilize native WinXP Wlan Utility?
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Hi friends,
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.
any suggestions would be higly appreciated guys!
Regards,
Mohit

Hi mohit,
Please make sure the below steps for guest auth thru ISE,
1)Add the WLC in your ISE as netork devices.
2)In Guest SSID you need to choose the pre authentication acl.That acl should allow the below traffic
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    d.dns to any
3)The external redirect url will be
https://ip address:8443/guestportal/Login.action
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Flexconnect with ISE Issue

Hi Everyone,
I have a issue trying to deploy Flexconnect in WLC integrated with ISE.
In the scenario, the users are working properly through the wireless network and they are able to authenticate, the NAC agent is invoked and everyone can get authorization access to the network using Radius NAC as NAC State. But when we tick the feature ""FlexConnect Local Switching"" and change the users cannot get IP Address from DHCP and the client status in WLC show POSTURE_REQD.
We can see this in ISE that the user is able to authenticate but never get authorization and the NAC state is not showing in the PC.
Any idea about this issue?? This is maybe any limitation or configuration error?
Regards

There are some documents for this type of deployment:
http://www.cisco.com/en/US/products/ps11640/products_configuration_example09186a0080c090eb.shtml
http://www.cisco.com/en/US/products/ps10315/products_tech_note09186a0080bcb905.shtml#anc13
Don't stop after you've improved your network! Improve the world by lending money to the working poor:
http://www.kiva.org/invitedby/karsteni

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Has any one done the ipv6 implementation on Wireless Network with user Authentication for guest access using ISE 1.1.
My customer has following componets in the wireless network .
1. WLC 5508 with 7.2.103 version
2. ISE 1.1
Please forward the steps required for integrating ISE as CWA guest portal for ipv6 .

The Cisco Identity Services Engine, Release 1.1, is not compliant with IPv6.

Replacing ACS with ISE

What is required to replace ACS with ISE in simple terms?
I am looking to basically authenticate wired and wireless access against the local/AD) user database via Cisco kit
I am thinking all I need is the BASE (perpetual) license rather than the advanced/wireless licenses
Is there a limit to how many devices or users the base can deal with in its simplest form.
I would also like to be able to push out a splash screen for wireless users during authentication. Can this be done just with the ISE Base License alone for a wireless solution (via WLC with LWAPS or Autonomous APs)
thanks
dave

yes you can authenticate the user using the ISE and but you need a advance license if you want to use both wire and wireless here is small table to help you understand the license requirements also the max. devices support depends on the type of deployment and with advance feature you have the abilitity of profiling and posturing which provide very good control for admins in the network
Software Packages
Options
Base
Capabilities: Basic network access and guest access
Network deployment support: Wired, wireless, and VPN
License prerequisite: None
Perpetual license
Licenses are available for 100, 250, 500, 1000, 1500, 2500, 3500, 5000, 10,000, 25,000, 50,000, and 100,000 endpoints
Advanced
Capabilities: Profiler and feed service, posture, MDM integration, automated endpoint onboarding, and Security Group Access (SGA)
Network deployment support: Wired, wireless, and VPN
License prerequisite: Base license
Term license: 1, 3- and 5-year terms
Licenses are available for 100, 250, 500, 1000, 1500, 2500, 3500, 5000, 10,000, 25,000, 50,000, and 100,000 endpoints
Wireless
Capabilities: Basic network access, guest access, profiler, posture, and SGA
Network deployment support: Wireless
License prerequisite: None
Term license: 1, 3- and 5-year terms
Licenses are available for 100, 250, 500, 1000, 1500, 2500, 3500, 5000, 10,000, 25,000, 50,000, and 100,000 endpoints
Wireless Upgrade
Capabilities: Basic network access, guest access, profiler, posture, and SGA
Network deployment support: Wired, wireless, and VPN
License prerequisite: Wireless license
Term license: 1, 3- and 5-year terms
Upgrade licenses are available for 100, 250, 500, 1000, 1500, 2500, 3500, 5000, 10,000, 25,000, 50,000, and 100,000 endpoints
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Hello,
We have a requirement to turn off our wireless during non-business hours. We have a 5508 WLC with ISE. What is the best way to accomplish this task?
Thank you in advance.
Beth

Aside from Steve's respond, there are several methods of doing this and this will all depend on how complex your network is and how technical you want to do this.
1. As what Steve said, use PI and you can define several schedules when to turn off/on the SSID;
2. If you have corporate access, you can use AD to schedule non-business hours;
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Minakshi

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http://www.cisco.com/c/en/us/support/docs/lan-switching/8021x/116681-config-neat-cise-00.html
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http://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise/design-zone-security/howto_04_ise_bootstrapping.pdf
Base license is intended for organizations that want to authenticate and authorize users and devices on their networks (wired, wireless, and VPN).
Advanced license expands on the Base license and enables organizations to make more advanced policy decisions based on user and device compliance. Advanced license features include device onboarding and provisioning, device profiling, posture services, mobile device management (MDM) integration capabilities, and Cisco Security Group Access enforcement capabilities across the entire network (wired, wireless, and VPN)

Wireless SSID with Certificate

Dear All,
I have a wireless network with cisco 5508 WLC for corporate network ,Cisco WLC for guest network, ACS 4.2, and 200 accesspoints.
Corporate SSID authentication- WPA1 & 2 with Dot1X(Via ACS)
Guest SSID authentication- Webauth with ACS
I need to configure an SSID for scanners.
Is there any way to configure the scanners wireless authentication via ACS with a trusted certificate?
Thanks in advance
Sreelal

Hai,
Thanks for your reply.
Customer has one certificate server(CA). We need to generate the certficate from that CA .
Our scanner expert will load the generated certficate into the scanner
My Scanner supports EAP-FAST,EAP-TLS, LEAP,PEAP,TTLS
So Can I go with LEAP for scanners?
Do you have any document or steps for completeing this task?
SSID config on WLC?
ACS 4.2 Config?
On PC side what config we need to do (If we are connecting a PC to the same SSID)?
Once again thanking you !!

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Wireless webauth with ISE

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