Cisco AAA/Identity/Nac :: 3750 / Get RADIUS Setup For Authentication To Switches And Routers?
Sep 19, 2012
We are setting up a new office and I am trying to get RADIUS setup for authentication to my switches and routers. Currently I am working on a 3750 running IOS 15 and getting hung on what I think on something small. I have attached my Microsoft NPS Network Policy. Below is my IOS config:
aaa group server radius corp-radius
server 10.15.10.20 auth-port 1812 acct-port 1813
!
aaa authentication login default group corp-radius local
aaa authentication login radius-localfallback group corp-radius enable
aaa authorization exec default group radius
[code]....
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Jan 9, 2012
I am having ACS 4.0.2 in my network, which I want to use for 802.1x Radius Authentication for Clients on PEAP-MSCHAPv2 methodology.As per the documentation " EAP Authentication with RADIUS Server", Doc ID: 44844.I have configured Network Configuration and populated AAA client IP range and Secret Key.
Question1: Under Authenticate Using option, there are various RADIUS flavors available for selection. For a Non Cisco AAA client, should I select RADIUS IETF?
Question 2: In the above snap shot, It has an option called Global Authentication Setup, where we can setup EAP configuration. Under PEAP subsection there is an option to "Allow EAP-MSCHAPv2" check box.After checking that, is a restart required to the ACS Server? Would it cause any disruptions to the existing services on the ACS?
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Nov 22, 2011
I have been trying to get our IPS (ASA-SSM-10 and 4260) to authenticate with Cisco Radius ACS 5.2 and they are not working. However, I was able to get them working with Microsoft Radius. Below is the logs from the IPS:
evStatus: eventId=1321566464942057375 vendor=Cisco originator: hostId: NACAIRVIDLAB1 appName: authentication appInstanceId: 350 time: 2011/11/23 17:50:38 2011/11/23 09:50:38 GMT-08:00 controlTransaction:
[Code].....
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Mar 10, 2011
I have a questión about radius authenticaction with AD, when I log in into the network with user in AD and I make a mistake in password my radius authenticaction event in ACS 5.2 dont show me this logg. only show the authentication succeeded but dont show me the authentication failed. Maybe i must to enable same service to show the authentiaction failed. The Voice authetication works fine..
This is the confg in the port of the switch:
interface FastEthernet0/12 switchport mode access switchport access vlan 2 switchport voice vlan 10 authentication port-control auto authentication host-mode multi-domain authentication violation protect authentication event fail action authorize vlan 11 authentication event fail retry 2 action authorize vlan 11 authentication event no-response action authorize vlan 11 authentication periodic authentication timer reauthenticate 60 mab dot1x pae authenticator dot1x timeout tx-period 10 dot1x max-reauth-req 3 spanning-tree portfast end
Vlan 2: DATA
Vlan 10: VOICE
Vlan 11: GUEST
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Dec 22, 2012
Using Cisco ASA I want the ssl clientless vpn users to be authenticated through a local Radius-Server. but it does not work, and on asa while i want to see (Debug Radius) output, there is no debuging msgs displayed. When i try to test the user which i have created on the ACS-Server 4.2, the test gets successful. where i have made a mistake in my configuration ?
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May 24, 2011
I am trying to authenticate on Juniper NSM express using cisco ACS 5.2. The request is arriving at the cisco ACS but i am getting the following error.RADIUS requests can only be processed by Access Services that are of type Network Access.
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Jul 4, 2012
how to setup ACS 5.3 to authenticate wireless users over radius? I currently have the SSID pointing to a Microsoft IAS server and would like to move the authentication to be done via ACS.
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Jan 19, 2012
I have configured a Cisco 877 router to send RADIUS requests when a user logs in to the console (Line Console or Line VTY) using the following config:
aaa new-model
aaa authentication login default group radius
aaa authentication ppp default group radius
radius-server host 10.0.0.1 auth-port 1812 acct-port 1812 key mysharedkey
When I log the RADIUS packets I see that the Cisco router is sending the initial AccessRequest using PAP.
How can I configure the router to send it's inial AccessRequest packet using CHAP?
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Oct 31, 2010
For some reason, i can't get the lobby "sponsors" to authentication to the Guest NAC server (2.0.2) using ACS 5.2 via Radius.I was able to figure out how to get the Guest NAC Radius Authentication for "Administrator" to work by adding custom Radius value IEFT-6 under...
Policy ElementsAuthorization & permissionsNetwork AccessAuthorization Profiles
I added a policy & under the Radius Attributes Tab... I manually entered an Attribute that looks like the following:
Dictionary Type: = RADIUS-IETFRadius Attribute: = Service-TypeAttribute Type: = EnumerationAttribute Value: = StaticValue = "Administrative"
I then created an Access Policy... I looked for a specific AD group - Result = "Name of Custom Policy Above"...
All of that is working just fine.... the NAC Guest Docs tell you the Radius server must return a value of IETF-6...
When it gets into the Sponsor section, it doesn't tell you the value your Radius server should return... so just for grins, instead of "Name of Custom Policy Above", I tried "Permit Access"... i tried the "Name of Custom Policy above"... Not sure what else to try to get this to work...
here is a like to the document i'm following: URL
Page 68 refers to the "Configuring Sponsor Authentication" for Radius.. it just tell you to add the Radius Server & change the authentication order.
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Jun 3, 2011
Several of my older netscreen devices only support radius authentication and I'm having trouble migrating them from ACS 4.2 to ACS 5.1. When I try to authenticate, the authentication passes in ACS but it doesn't log you into the Netscreen (you see a auth failure in the Netscreen logs). I believe that the custom attributes are not being passed from ACS to the Netscreen. The custom attribute we are trying to pass is "NS-Admin-Privilege" with type integer and a value of 2. The netscreen is setup so that the user privledges are obtained from the ACS server.
Any setup where they are using Cisco radius authentication to authenticate Netscreen devices?
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Jan 13, 2012
I've setup my ASA 5510 to use AAA to my Windows Server 2008 NAP. After many hours of troubleshooting I got my setup to work. The only thing I'm not satsified with at the moment is, that RADIUS is using PAP for communicating between ASA5510 and W2K8/NAP.I've tried ticking the box "Microsoft CHAPv2 Capable" box under Users/AAA => AAA Server Groups => Edit AAA Server.From EventViewer on W2K8/NAP I get Event ID 6278 and 6272., see attached filehow I change from the PAP to the CHAP protocol?
PS: ASA 5510 running ASA version 8.2(4) and ASDM version 6.3(5)
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Mar 24, 2013
i am trying to assign a right role for a user who authenticates to nexus 7k switch via radius. i am using cisco ISE version 1.1.1.268 and the nexus version is 5.0.2,I have created a role on nexus.
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Mar 13, 2012
I have setup my radius server access on the Nexus but am unable to authenticate through putty. If I do a radius-server test on the Nexus it says I authenticate. Here is the log I am getting.
2012 Mar 14 16:03:21 switch-a %AUTHPRIV-4-SYSTEM_MSG: pam_unix(aaa:auth): check
pass; user unknown - aaad
[Code].....
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Mar 19, 2012
I am trying to get AAA authentication for HTTP to use radius, and seem to be having problems with setting the priviledge level. It works fine with SSH login, but doesn't work with web management. The model is a WS-CBS3130X-S-F running 12.2(58)SE1 with http version 1.001.002...
Config is as follows:
aaa new-model
aaa authentication login VTYSandHTTP group radius local
aaa authorization exec VTYSandHTTP group radius local
ip http server
ip http authentication aaa login-authentication VTYSandHTTP
[code]...
This is what I get when I try to log on to HTTP
HTTP AAA Login-Authentication List name: VTYSandHTTP
HTTP AAA Login-Authentication List name: VTYSandHTTP
HTTP: Authentication failed for level 15
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Jan 29, 2012
I have configured Radius authentication on Windows 2008 server (NPS) The following configuration is working perfectly on Cisco Switch 3560. [code]But, the same configuration is not working on Cisco Catlyst Switch 6509 (C3560-IPBASEK9-M), Version 12.2(46)SE, RELEASE SOFTWARE (fc2)/
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Apr 19, 2011
I am trying to integrate Cisco ACS 5.2 in a network to do device authentication of switches for administrators.
I am not sure if Cisco ACS 5.2 support RADIUS protocol to do device authentication. In the configuration of the Cisco ACS 5.2 I can only see TACACS authentication for device authentication and I have configured it and it works. If CISCO ACS 5.2 supports RADIUS auth for device authentication?
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Jan 9, 2011
I was attempting to setup our 7204 Cisco router to use RADIUS for authentication via the AAA commands. I must have messed up when configuring it as it comes up via TELNET asking for a username and password but doesn't take my AD credentials. How might I login to this router to fix the config? Do I need to do a password recover process?
One note, I didn't save the running-config to startup-config, so if I restart the router will it load the startup-config, thus overwriting the running-config that wasn't working?
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Nov 1, 2012
Would like to check out some client side setting on Wireless 802.1x authenticaiton.
Network setup is using
- Cisco WLC 7.2 and AP3500,
- ACS 5.3
- Microsoft Windows server 2008 hosting AD and CA services (same machine)
- Client OS is Microsoft Window 7.
Authentication mehtod would use PEAP-MSChap V2 Combo.
My question :
01. In AD environment, should ACS 5.3 be part of the domain computer?
02. To have secure connectivity, IF the security policy force client to check "Validate server certificate", which certificate it is look for? Is it ACS's identity certifate, that require CA server to sign on the CSR?
03. Back to client side, should the client also need to import this certificate in trusted root certification authorities?
Or the client will trust ACS identity certificate against the root CA certificate store at client's trusted root certification authorities, where they have the identical issuer?
04. Extra question: If no CA environment, would it be sufficient simply export ACS self-signed certificate and import to client computer, and it's trusted?
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Aug 18, 2011
Find here the extraction of the configuration and the debug sysout. The radius servers works fine with all the other accesss like ssh, telnet...
Just the http access fail. This configuration work fine with the version 12.2.55 installed before.
Aaa new-model
aaa authentication login default group radius local
aaa authentication login physique local
[Code].....
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Jan 9, 2012
I'm trying to find out the options for authenticating remote users via IMEI and MISDN values via ACS 5.3/I'm unfamiliar with the Radius attribute options here and what kind of request/response we can utilise. Also previously I could define IP pools on ACS 4 but can't seem to do that now. Is there a way have ACS 5.3 to provide a DHCP server address for the connection ?
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Mar 3, 2012
I'm somewhat new to ACS and am trying to complete a migration from 4 to 5.3.Currently, I've got ACS joined to my (2003) domain, and it shows status connected (although the test connect fails). I have aaa working without issue for TACACS, but all RADIUS authentication is currently failing. Logs show the message below: "24401 could not establish connection with acs active directory agent"I'm not seeing anything telling in the logs on the domain controllers.
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Apr 19, 2011
I've been working on trying to get RADUIS authentication working for devices connecting to our corporate mobile APN. Out APN provider sends us Username & Password attributes which I can authenticate fine using ACS 5.2 but I'm having a problem using other attributes sent in the Access-Request. We have mobile SIM cards with an MSISDN value match with a physical device with an IMEI value. The SIM cards cannot be used in other devices, only their matched device. The provider passes us the MSISDN attribute under RADIUS-IETF 31 and the IMEI under a VSA of 3GPP-IMEI
What is the best way of being able to authenticate a user and match the MSISDN and IMEI associated to that user?
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Feb 27, 2012
When I upgraded my cisco 3750 ME from c3750me-i5k91-mz.122-46.SE to c3750me-i5k91-mz.122-58.SE2.bin all commands for radius disappeared? However, there are a lot of commands to ldap which was missing in the previous version. Seems as if the radius has disappeared and been replaced by ldap?
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Nov 26, 2011
I want to secure my routers & switches using ACS server (win server 2003 platform)i prefer Radius how to set it up lets say my ACS server ip addy 192.168.100.100 & key cisco both how to set up ACS for the router/switch & commands for router/switch ALSO, i wanna keep open a back door. if some ACS server is down, i want, ppl can log into router/switch using SSH (local user/pass) but only when ACS is down?
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Feb 19, 2012
RADIUS authentication SF300-24P
We have just purchased 20x SF300-24P switches to be installed at our remote offices and we are unable to get RADIUS authentication to work. We already use RADIUS on all our primary network CISCO switches (e.g. 4506s¸ 3560s, 3750s, AP1231Gs,etc) and these work fine so we know the RADIUS server is working.
We are trying to use RADIUS authentication to gain management access onto these switches. Quite simply although we can see that the RADIUS server is accepting the username and password being sent, however the switch says “authentication failed” when to receives the response. We are using Microsoft NPS RADIUS Clients for authentication purposes.
We have upgrade the switches to the latest firmware 1.1.2.0, via the console it seems to have a very cut down IOS version so we cannot use the typical CISCO command set to configure the RADIUS as we normally would. Looking at the web GUI there seems to be a number of options missing including the Accounting port. When debugging is switch on there is no indication to say that any of the settings have been misconfigured.
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May 21, 2012
I have an SG300 authenticating telnet login to a RADIUS server. It allows me to log in at Priv level 1. when I try and enter Priv 15 mode, I'm prompted for a password which I don't appear to be able to set anywhere or know.
If I remove RADIUS and go back to Local authentication, telnet logs me in at Priv15 immediately.
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May 4, 2011
is there a way to assigen a QoS service policy via Radius to an Caltalyst 4500/3750 Switchport?
in detail, we would like to assign this policy
policy-map SET_EF class class-default set dscp ef
to an interface. All traffic should be marked with a defined DSCP value.
This works find when doing it statically with
interface FastEthernet2/1 service-policy input SET_EF
but we would need to assign such a policy via Radius during the 802.1x Authentication. different users should get differnt policies. We use Cisco ACS 5.2 as Radius Server and there actually is a field for that in the Authorization Profile Common Tasks Configuration. in detail, this uses the cisco-av-pair "sub-policy-In=<policy name>" attribute to assign a service policy to an NAS.
we found also two other attributes "sub-qos-policy-in" and "ip:sub-qos-polcy-in" for that. CCO says that "ip:sub-qos-polcy-in" works with Catalyst 65k [URL]
unfortunately this seems to not work on Catalyst 45k and 37k.
In the ACS Logs we can see that these attributes are attached to the Radius Reply, but unfortunately they are ignored by the switch.
it is interesing that when entering "show aaa attributes" on the Catalyst 45k, these attributes are displayd - so for my understanding the switch should understand these attibutes (?)
4503-E#sh aaa attributes AAA ATTRIBUTE LIST: Type=1 Name=disc-cause-ext Format=Enum Type=2 Name=Acct-Status-Type Format=Enum
[Code]......
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Nov 6, 2011
I am trying to setup a RV042 for a Client VPN using AD / Radius authentication. When it was purchased I saw radiuslisted as a feature on it, but I'm not seeing a way to set this up.
[URL]
I have upgraded to the latest firrmware, I have a VPN working with accounts on the router that I manually create, but am not seeing anyplace to configure radius.
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Jul 5, 2012
I need to add RADIUS attributes for a custom vendor under "Group Setup" page in ACS 4.2. As of now, I see Cisco Aironet RADIUS Attributes, IETF RADIUS Attributes etc in "Group Setup" page. How can I make sure that the RADIUS attributes for a vendor also appear on that page?
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Nov 14, 2012
We have configured following commands on switch to fallback to local Vlan if both radius server (policy persona's) is found dead. For test purpose we shutdown both servers (policy persona's) but fallback didn't work. We have 3750 switch running image 12.2(55)SE6 having following configuration.We do not know whether we configured switch in proper way or do we need to modify it. [code]
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Aug 14, 2011
So far i managed my switches with TACACS+, however now i've to deploy 802.1X, requiring RADIUS only. For what i know, ACS (i'm using 4.2) allows to define a device using only TACACS or RADIUS, but not both. Do i am right? Or there is a way to define an AAA client to communicate with the same ACS using both the protocols?
Supposing i am right, i was then considering the following options: - configure all of the switches to use radius for any service (authentication, authorization etc ec) This simplifies the task, but i lose the TACACS+ services for the switches. Is this a big loss?
- configure the L3 switches to use a second Loopback, just for RADIUS services. This would allow to still use the TACACS+ but would require a new network just for the RADIUS service; furthermore L2 switches doesn't support two IP addresses and would require anyway a migration to RADIUS.
A considerable administrative overhead, in other words. I'm not willing to deploy a second RADIUS (ACS, Windows, whatever), in this moment.
The key point is this: reading around i see Cisco documentation recommending always to use TACACS+ for management, but in this situation is not possibile. In general, every time the device has a role of network admission (switch or access-point) RADIUS seems to be the protocol of choice. Moving to RADIUS would have some major drawback or only a change in the communication protocol? (I know the difference between TACACS+ and RADIUS: tcp vs udp, encryption of the whole packet vs encryption of only the password).
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Mar 29, 2011
I would like to make a centralized management of loggin account on my cisco switch (with a radius server). But, on Cisco 3750 E, i use 12.2(44) SE1 IOS and no command aaa authentication login exist.
Cisco 3750 can support other IOS than 12.2 who have this ability ?
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Dec 29, 2011
I have a customer who used to own a 3750 with a older version of IOS. The switch he had used a three year old version of IOS which allowed him to browse to the switch IP and manage it via HTTP without entering a password at all. Now that he has a replacement switch with a new ver of IOS (since the previous switch died). We slapped the config on from the old switch but no matter what we do (understanding that new http aaa authentication commands were added) we cant get this thing to let him in without prompting him for a password. I understand this was an insecure config to begin with so I shouldn't be advocating using it in the first place, but this is what the customer wants.Basically what I'm trying to figure out is are we banging our heads into the wall for nothing as the "ip http server" will not allow an authentication method of "none" anyway? None of the offical documentation I have read for the http aaa authentication cmds shows this as an example nor have I found any blog posts on how to do it ether. Perhaps Cisco removed this by design.
Here is the config:
aaa new model
aaa authentication login default local
aaa authentication enable default none
aaa authentication login none none
ip http server
ip http authentication aaa login-authentication none
[code]....
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