Cisco AAA/Identity/Nac :: WLC 4402 Unable To Authenticate Correctly With ACS 5.2
Jun 8, 2011
For unknown reason I cannot get WLC to authenticate correctly with ACS 5.2. it's very strange in the sense that when I checked the log. ACS authenticates and authorized the WLC 4402 but I cannot log to the WLC. login screen appeared, if I typed user name it jumped to Controller> user: password:
No matter what I typed (internal or external users) nothing seems to work. This is my frustration, I have no problem authenticating routers and switches except WLC 4402.
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Aug 2, 2011
I'd like to configure wireless access from winXP to authenticate with our corporate Novell LDAP through ACS
Setup:
WinXP SP3 --> WLC 4402 --> ACS 5.2 --> Novell LDAP
1. Our Novell LDAP server uses secure LDAP (port 636) to authentication user.On ACS 5.2, when we configure this option we need to select Root CA. Should the Root CA in ACS must be the same as the LDAP server's? (the LDAP's certificate issuer)
2. What kind of authentication that this setup supports? Does it support PEAP/MSCHAPv2 as in Windows Zero Configuration or it only supports PEAP-GTC, EAP-FAST, EAP-TLS (which means I have to use Intel Proset/Wireless software to configure).
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May 30, 2011
Our customer has the business needs to authenticate remote users against AD with empty password. I've seen ACS5.1 release note where mentioned about resolved issue: #CSCte72751 #ACS 5.1 drops authentication with empty password.
I tried to authenticate dial-in users through Tacacs and Radius against AD with empty password but without success. ACS points to wrong AD password. Is it possible to authneticate remote users with empty password?
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Apr 14, 2013
We have had an active ACS unit for many years now, and we've added a second one, both are 1121 Appliances. The newer one came with 5.4, so we upgraded the older one to 5.4.
We setup replication between the two, with the newer one primary and the older one secondary. Problem is, windows based clients are unable to authenticate to the older ACS appliance. The only problem we can see is that it indicates that adclient is not running, under Monitoring & Troubleshooting, ACS Health Instance Summary.
So... been trying to figure out how to correct this, yet have been hard pressed to find a knowledgebase article that works. So far, Cisco hasn't added my smartNet on the new box so I can get some support?
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Feb 22, 2013
I have installed ACS 5.4 and we are looking to authenticate our Anyconnect users with ACS via Active Directory. I think I have the correct commands in our ASA ( we had ACS 4 and authenticated our anyconnect users ).
I also have configured ACS to use Active Directory and installed the server side cert in ACS. I'm just uncertain how to program ACS to use the security group that I have setup in Active Directory.
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Aug 21, 2011
I have 3 ACS 5.2 servers both here and in the US. On friday night, our building lost power and it came back up early saturday morning. During this, the Wireless controllers dropped their configs and reverted back to point to the old ACS servers again. After fixing this, all wireless works now in my location. But, ACS is not logging my sessions even though i can connect to wireless with phone or laptop. It should log the authentication process if the server is here or in the US, but it is only logging for the other 2 servers. now on a weird note, the VPN for users in this location is authenticationg just fine.
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Jun 18, 2012
I am trying to get the ACS 5.3 to work with NCS but cannot make it work correctly. url...But this does not show how the ACS referencing AD groups would work when determining which custom attributes to use.
On the ACS 5.3 i have set up the following .The ad is working and in Users and identity stores/External identity stores/Active Directory then my AD test works fine.I have set up the Users and Identity stores/Identity Groups with appropriate ip s.I have configured the Network Device Groups/Network Devices and AAA Clients with the ip address and Authenication optionsA.In Policy Elements/Authorisation and Permissions/device administration/shell profiles.I have creeated a shell profile called network shell pro which das a common tasks of def priv = 0 and max priv = 15
Now i can get into the NCS but i do not see any of the administration buttons on NCS - so this means the custom attributes are not working.i shouldnt need a user for this on the ACS as its using AD.
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Aug 30, 2012
Having an issue with Macbook authentication. All Macbooks at this one site, on same switch, going to same RADIUS server, work except for one. Looking at logs it appears server and client never exchange certificates. Attached is log for failed Macbook authentication.
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May 24, 2011
I think i've got everything set up to authenticate against AD for Tacacs+ device logins. When i check the logs, i see:"24408 User authentication against Active Directory failed since user has entered the wrong password". This leads me to believe that it is checking AD correctly, however if i enter the password correctly for the same AD user, there is no log at all...no pass, no fail.
If i look at the Tacacs debugs on the switch, i see the following:May 25 10:55:07.927 CDT: TAC+: ver=192 id=874699084 received AUTHEN status = ERRORMay 25 10:55:09.932 CDT: TAC+: send abort reason=Unknown
Obviously the switch is communicating to ACS, and ACS is passing info back to the switch. ACS also appears to be communicating effectively with AD since it knows when i put in an incorrect password for the specific user.
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Aug 20, 2012
we have deployed L3 in-band scenario for wireless 2 years ago and the solution was working without any problem. we have upgrade wireless controller to 5508, since then, when users login to the first page and certified, and they want to browse to the internet, NAC redirects the web page and ask for authenticatin again, despite the users' devices are being shown as certified devices in the list.
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Feb 9, 2012
We have remote users that dial-in over ISDN to a Cisco 2911. We have configured AAA to pass the authentication off to a RADIUS server. Once successfully authenticated, the router permits the users to access a single web server. However, we need to do some testing in our test environment, but unfortunately we don't have an ISDN line to test with. We have created a little environment in our LAB using a 2911, a switch, a RADIUS server & web server. I was hoping that we could simply create a "user" VLAN off the back of the 2911 to simulate our remote users, and access the web site from the test usr PC's over the LAN. I was hoping that the 2911 would be able to intercept the connection and pass the authentication off to the RADIUS server (as it does with the PPP ISDN traffic). But I cannot find anyway to do this, because I can only configure AAA to offload either PPP traffic or telnet/ssh connections to the router itself.
In summary what I want is for a user to access an internal web site over a LAN interface of a 2911 - but have the 2911 authenticate the user via a remote RADIUS server first. Is there a way to configure a 2911 (or any router!) to do this?Is the answer to configure port-based authentication (802.1X) on the switch?
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Jul 30, 2012
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 [URL]. Anyway the content in the browser is changed to the URL that being configured such as url...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.
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Jun 3, 2012
Have set up a pair of ACS 5.3 servers and have set up device administration authentication be passed through to an RSA server via RADIUS. All works great.
What we want to do is go a step further and set the system up so that ACS Administrators also have to authenticate to the ACS system by RSA via RADIUS (the same as the Device Authentication we've set up) for ACS administration tasks.
Looking at the options available in the ACS Administration setup (administrator accounts etc) there doesn't seem to be an option to authenticate via another method apart from a local administrator account on the ACS.
Is it possible to do this?
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Aug 21, 2012
I have seen couple of people with win7 cannot authenticate to ISE: 12520 EAP-TLS failed SSL/TLS handshake because the client rejected the ISE local-certificate.I've thought of this: Maybe get a 3rd party cert (go daddy) and have that installed in ISE.I know i do have to make a CSR Cert.Sign.Request that matches cn=primary.ise.mydomain, would I also need a cert for secondary?
If I use LEAP as a preferred protocol then it doesn't ask for cert and users are authenticated successfully.I know they have to say do not validate cert and all that but sometimes it doesn't popupt to them they just can't get on.Again maybe going wtih 3rd party certs will make it easier while benefiting from using PEAP?
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Jul 12, 2011
On an ASA5520 v7.2 I can only seem to authenticate to the console when using telnet and not ssh. I can connect using both methods, but just have trouble authenticating with ssh. Here are relevent lines related to the issue:
username user1 password ***** encrypted privilege 15username user2 password ***** encrypted privilege 15
aaa authentication telnet console LOCAL
aaa authentication ssh console LOCAL
telnet <my subnet> 255.255.255.0 Inside
ssh <my subnet> 255.255.255.0 Inside
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Jun 9, 2011
I have an issue with an implementation, I had a ACS R5.1 that I'm using to authenticate the wireless users with 802.1x, that's OK and working fine. Now I want to use the same ACS to authenticate wired users using MAB (for IP phones, printers, servers, and other devices) and 802.1x (for corporate users). I already configured the authentication services (MAB and 802.1x) on ACS, but when I'm doing tests I can see that for example the phones are trying to authenticate using the 802.1x rules of wireless connection, not using the MAB rules. [code]
You could also see an screen from the ACS in the attached file. On the picture remark you could see a IP Phone trying to authenticate using the wireless Access Services insted of using MAB.
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Sep 25, 2011
Having an issue with Cisco ACS v5.1.0.44 and the Cisco WLC 5508. Cannot get users to authenticate and keep getting error messages referring to EAP session timeouts from WLC filling our logs. Seems to be with this model WLC because we have Cisco 4400 WLCs pointing to the same ACS with no issues. Is there a bug or special configuration that is necessary to marry the 5508 with ACS v5.1.0.44?
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Dec 9, 2012
We are doing a new installation of a Cisco ACS 5.4 replacing a Microsoft NPS.
Recently I ran into issues with Lexmark wireless printers authenticating against the ACS 5.4.
While these printers work against the old Microsoft NPS we want to replace, I get "11500 Invalid or unexpected EAP payload received" on the ACS.
Windows/Android/iDevices authenticate against the same SSID using PEAP. I suspect, we ran into
CSCtq46211 Bug Details
Lexmark Printers work with ACS 4 but not ACS 5 Symptom: Lexmark printers uzed to work with ACS 4.2 but they produce "internal error" on acs 5.1 or 5.2
Conditions: Not known exactly
Workaround:1st Found-In 5.2(0.26.3)
Fixed-In 5.3(0.40.7)
setting up a new VM with ACS 5.3 patching it to P7, reconfiguring and retest all the stuff we implemented during several days ist not an option.
The Cisco TAC refuses to open a SR because the product is under warranty only, and claims warranty only covers HARDWARE replacement... (and we ordered ACS is a VM,,,) Maybe I should burn the ISO image to a DVD and RMA it for repair .
Maybe Cisco could verify whether the fix for CSCtq46211 has been integrated to ACS Version 5.4.0.46-B.221 already or not ?
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Jul 22, 2012
Is it possible for ACS 5.1 to only allow specific AD users to authenticate the switches and routers? Currently What I have configured is only for all AD users. I can't seem to find a way to be selective.
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Jan 16, 2013
I'm having an issue with a cloned vm of our ACS. We are moving it to a different location. I was able to clone it and get it back on the network, but I can't authenticate to it from any of my switches. I do have an older version:5.2.0.26
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Nov 10, 2011
I am not sure what I am trying to do is possible, so I thought I would pose the question on here. In ACS 5.3, I would like to use an RSA server and AD to authenticate my network devices. So when I log into a router or switch I would enter my AD username, be prompted for my RSA token, then when I enable be prompted for my AD password, or visa versa. how to write an access policy to achive this?
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Mar 21, 2011
Rather than maintaining local accounts is it possible to authenticate admins against AD? I'm talking about administrators of the ACS server itself to be clear.
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Nov 13, 2012
I have a user named "testuser" and trying to authenticate from the xp computer but fails to authenticate. The ACS logs says that authentication failed, the user is in the local database but why it fails to authenticate?
I have cisco switch :
WS-C2960G-48TC-L 12.2(52)SE C2960-LANBASEK9-M
*Mar 8 04:03:55.030: AAA/BIND(00000029): Bind i/f
*Mar 8 04:03:55.173: %AUTHMGR-5-START: Starting 'dot1x' for client (782b.cbc9.a027) on Interface Gi0/2 AuditSessionID 0A6A00200000001924EBD428
*Mar 8 04:03:57.010: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed
[Code]....
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Apr 8, 2009
The ACS can authenticate people using local database , it can also authenticate a single user (using windows database) if you are fast after the service is restarted , however after a few secounds, it fails to authenticate any users , the error we are seeing on the logs appear as authentication failure type : internal error. Also on the log files, the authentication request from the user does not appear in the correct group, it is thrown into the default group.
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Jul 16, 2012
I'm with one problem, my OS Lion don't authentication in the Secure ACS Version: 5.2.0.26.10.For the Mac Lion operating system to work you must put in execeção the MAC Address of your computer. I wonder how it could cause the OS to authenticate the ACS Lion.
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Apr 16, 2013
I have ACS 4 integrated with RSA 6.1, where users of ACS can authenticate their passwords with the rsa server.I am migrating users to ACS 5, and I want to integrate with rsa.
I am configuring rsa as “rsa secureID token servers”.But how should I configure the users on acs to authenticate the password with rsa?
Previously on acs 4, on the user page, in password field, I select authenticate with external DB, Also, any guide for the config on rsa 6.1 side (with acs 5)
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Feb 24, 2013
We are running Cisco Secure ACS for Windows version 4.1(1)b23p5 on a Windows 2000 member server. Starting from today, ACS fails to authenticate users. Using the same external user (andrea-meconi) I can verify successfull and failed authentication. This is the AUTH.log for a genericRADIUS request...
AUTH 25/02/2013 15:30:24 I 0396 3900 External DB [NTAuthenDLL.dll]: Starting authentication for user [andrea-meconi]
AUTH 25/02/2013 15:30:24 I 0396 3900 External DB [NTAuthenDLL.dll]: Attempting
[Code].....
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Apr 14, 2011
I have a question its posible to authenticate an cisco phone and PC with the same vlan(voice and data)when i do this configuratión , the phone and pc dont work. The phone display registering and never finished.interface FastEthernet0/5 switchport mode access switchport voice vlan 1 authentication event fail action authorize vlan 11 authentication event no-response action authorize vlan 11 authentication host-mode multi-domain authentication port-control auto authentication periodic authentication violation protect mab dot1x pae authenticator dot1x timeout tx-period 10 dot1x max-reauth-req 3 spanning-tree portfastend.
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Jan 5, 2012
ACS 5.1 is failing to authenticate tacacs authentication to the ASA firewall, getting
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Sep 1, 2011
I have a ACS 4.2 under windows, I setuped it to authenticate routers by RADIUS and TACACS+ protocols. now I have some devices whitch know only LDAP protocol. How can setup ACS as a ldap server to authenticate those devices?>
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Jan 17, 2013
I was looking for a way the manually re-authenticate dot1x client from cli and found this: [URL]
"You manually reauthenticate the client by entering the dot1x reauthenticate interface interface-id privileged EXEC command"
I've tried it 2960 with 12.2(58)SE and 15.0(2)SE, but it doesn't seems to be implemented. Have I missunderstood something? Or do you guys have any other command to accomplish a manually re-auth?
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Jul 17, 2012
I have successfully set up a windows 2008 box as a Radius server and use it to authenticate VPN users against ta AD database.I have also set up a similar policy that permits authentication for management purposes to all my networking devices (routers,switches and the ASA).Both policies work fine.Of course I don't want every VPN user to have administrative access to the ASA and every other device on my network.How can I discriminate between the 2 groups (VPN users and Network administrators)
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Jan 16, 2012
Is it possible to create on ACS5 rule which will:
1. Try to authenticate user in external database1 (radius)
2. When external database1 returns FAIL (because of bad password) ACS5 should try to authenticate user in another external database2 (radius)
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