Cisco 28xx easy vpn server & MS NPS (RADIUS server)

Здравстуйте.
Имеется LAN (192.168.11.0/24) с граничным роутером cisco 2821 (192.168.11.1), на котором настроен Easy VPN Server с локальной авторизацией удаленных пользователей, использующих для подключения Cisco VPN Client v 5.0. Все работает. В той же LAN имеется MS Windows Server 2012 Essensial в качестве DC AD.
Возникла необходимость перенести авторизацию удаленных пользователей на RADIUS сервер. В качестве RADIUS сервера хочется использовать MS Network Policy Server (NPS) 2012 Essensial (192.168.11.9).
На сервере поднята соответствующая политика, NPS сервер зарегистрирован в AD, создан RADIUS-клиент (192.168.11.1), настроена Сетевая политика. В AD создана группа VPN-USERS, в которую помимо удаленных пользователей добавлен служебный пользователь EasyVPN с паролем "cisco".
Ниже выдежка из сонфига cisco 2821:
aaa new-model
aaa authentication login rausrs local
aaa authentication login VPN-XAUTH group radius
aaa authorization network ragrps local
aaa authorization network VPN-GROUP local
aaa session-id common
crypto isakmp policy 10
encr aes 256
authentication pre-share
group 2
crypto isakmp client configuration address-pool local RAPOOL
crypto isakmp client configuration group ra1grp
key key-for-remote-access
domain domain.local
pool RAPOOL
acl split-acl
split-dns 192.168.11.9
crypto isakmp client configuration group EasyVPN
key qwerty123456
domain domain.local
pool RAPOOL
acl split-acl
split-dns 192.168.11.9
crypto isakmp profile RA-profile
   description profile for remote access VPN
   match identity group ra1grp
   client authentication list rausrs
   isakmp authorization list ragrps
   client configuration address respond
crypto isakmp profile VPN-IKMP-PROFILE
   description profile for remote access VPN via RADIUS
   match identity group EasyVPN
   client authentication list VPN-XAUTH
   isakmp authorization list VPN-GROUP
   client configuration address respond
crypto ipsec transform-set tset1 esp-aes esp-sha-hmac
crypto dynamic-map dyn-cmap 100
set transform-set tset1
set isakmp-profile RA-profile
reverse-route
crypto dynamic-map dyn-cmap 101
set transform-set tset1
set isakmp-profile VPN-IKMP-PROFILE
reverse-route
crypto map stat-cmap 100 ipsec-isakmp dynamic dyn-cmap
int Gi0/1
descrition -- to WAN --
crypto map stat-cmap
В результате на cisco вылезает следующая ошибка (выделено жирным):
RADIUS/ENCODE(000089E0):Orig. component type = VPN_IPSEC
RADIUS: AAA Unsupported Attr: interface         [157] 14
RADIUS:   31 39 34 2E 38 38 2E 31 33 39 2E 31              [194.88.139.1]
RADIUS(000089E0): Config NAS IP: 192.168.11.1
RADIUS/ENCODE(000089E0): acct_session_id: 35296
RADIUS(000089E0): sending
RADIUS(000089E0): Send Access-Request to 192.168.11.9:1645 id 1645/61, len 103
RADIUS: authenticator 4A B1 DB 2D B7 58 B2 BF - 7F 12 6F 96 01 99 32 91
RADIUS: User-Name           [1]   9   "EasyVPN"
RADIUS: User-Password       [2]   18 *
RADIUS: Calling-Station-Id [31] 16 "aaa.bbb.ccc.137"
RADIUS: NAS-Port-Type       [61] 6   Virtual                   [5]
RADIUS: NAS-Port            [5]   6   1
RADIUS: NAS-Port-Id         [87] 16 "aaa.bbb.ccc.136"
RADIUS: Service-Type        [6]   6   Outbound                  [5]
RADIUS: NAS-IP-Address      [4]   6   192.168.11.1
RADIUS: Received from id 1645/61 192.168.11.9:1645, Access-Reject, len 20
RADIUS: authenticator A8 08 69 44 44 8B 13 A5 - 06 C2 95 8D B4 C4 E9 01
RADIUS(000089E0): Received from id 1645/61
MS NAS выдает ошибку 6273:
Сервер сетевых политик отказал пользователю в доступе.
За дополнительными сведениями обратитесь к администратору сервера сетевых политик.
Пользователь:
    ИД безопасности:            domain\VladimirK
    Имя учетной записи:            VladimirK
    Домен учетной записи:           domain
    Полное имя учетной записи:   domain.local/Users/VladimirK
Компьютер клиента:
    ИД безопасности:            NULL SID
    Имя учетной записи:            -
    Полное имя учетной записи:    -
    Версия ОС:            -
    Идентификатор вызываемой станции:        -
    Идентификатор вызывающей станции:       aaa.bbb.ccc.137
NAS:
    Адрес IPv4 NAS:        192.168.11.1
    Адрес IPv6 NAS:        -
    Идентификатор NAS:            -
    Тип порта NAS:            Виртуальная
    Порт NAS:            0
RADIUS-клиент:
    Понятное имя клиента:        Cisco2821
    IP-адрес клиента:            192.168.11.1
Сведения о проверке подлинности:
    Имя политики запроса на подключение:    Использовать проверку подлинности Windows для всех пользователей
    Имя сетевой политики:        Подключения к другим серверам доступа
    Поставщик проверки подлинности:        Windows
    Сервер проверки подлинности:        DC01.domain.local
    Тип проверки подлинности:        PAP
    Тип EAP:            -
    Идентификатор сеанса учетной записи:        -
    Результаты входа в систему:            Сведения об учетных данных были записаны в локальный файл журнала.
    Код причины:            66
    Причина:                Пользователь пытался применить способ проверки подлинности, не включенный в соответствующей сетевой политике.
Игры с Cisco AV Pairs и прочими параметрами настройки Сетевой политики на RADIUS выдают аналогичный результат.
Штудирование "Network Policy Server Technical Reference" и "Configuring IPSec Between a Cisco IOS Router and a Cisco VPN Client 4.x for Windows Using RADIUS for User Authentication" Document ID: 21060 ответа не дали.
Если кто практиковал подобное, прошу дать направление для поиска решения.

Going through your post, I could see that radius is sending access-reject because radius access-request is sending a vpn group name in the user name field. I was in a discussion of same problem few days before and that got resolved by making 2 changes.
replace the authorization from radius to local
and
changing the encryption type in transform set
However, in your configuration, your configuration already have those changes.
Here you can check the same : https://supportforums.cisco.com/thread/2226065
Could you please tell me what exactly radius server complaining? Can you please paste the error you're getting on the radius server.
~BR
Jatin Katyal
**Do rate helpful posts**

Similar Messages

Server 2008 R2 RADIUS Server with a Cisco Aironet 1040 Wireless AP

I am trying to get Server 2008 R2 RADIUS Server to work with a Cisco Aironet 1040 Wireless AP. I have installed the RADIUS server by MS standards and performed some searches on Google to configure the Cisco Aironet. I see others using a Wireless LAN Controller, which I do not have. I found this post below:
https://supportforums.cisco.com/discussion/11546056/wlc-2504-radius-2008-r2-server
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I did configure the Server 2008 R2 RADIUS Server using this video below:
https://www.youtube.com/watch?v=g-0MM_tK-Tk
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Hi
I have ISE 1.2 , I configured it as management monitor and PSN and it work fine
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Exchange Server 2013 and RADIUS server(freeRADIUS2)

I am a student and doing an internship. I have to test Microsoft Exchange Server 2013.
I am using Windows Server 2012, I already installed Exchange
Server 2013 on it and everything works as intended.
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I already did the checklist that is on http://technet.microsoft.com/en-us/library/cc772591.aspx. I configured the NPS as
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thanks for such a quick response.
Just a small question about the link that you put. Does member server mean other server other than domain controller?
Regards,
Yes, Also the server on which you are installing Exchange should have exchange installed.
Cheers,
Gulab Prasad
Technology Consultant
Blog:
http://www.exchangeranger.com    Twitter:
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Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

Is CISCO ACS server same as RADIUS server?

Please advise.
if not, wats the difference between them?

The ACS server suite includes a RADIUS service (and TACACS+).
http://www.cisco.com/en/US/products/sw/secursw/ps5338/index.html
Good Luck
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MAC Authentication + Windows Server 2008 R2 Radius server

Hello there,
I have been trying to configure the MAC Authentication on Windows Server Network Policy Server but no success. Details on my configuration can be find below.
I have firstly enabled the Mac Authentication on 3com switch 4400 model.
enabling -> Mac-authentication
enabling authentication mode -> UsernameAsMacAddress
configuring a domain - mac-authentication domain abc.local.
I left the default Vlan (Vlan1)
While on my DC, I created a user
username: 00-00-00-00-00-00
password: 00-00-00-00-00-00
Lastly on the NPS Server, I configured the 802.1x Wired configuration, I configured the NAS (Radius Client) whici is the 3com Switch.
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User:
Security ID:
NULL SID
Account Name:
[email protected]
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abc
Fully Qualified Account Name:
abc\00-00-00-00-00-00
Client Machine:
Security ID:
NULL SID
Account Name:
Fully Qualified Account Name:
OS-Version:
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Calling Station Identifier:
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NAS:
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xxx.xxx.xx.xx
NAS IPv6 Address:
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00aa00aa00aa
NAS Port-Type:
Ethernet
NAS Port:
12345678
RADIUS Client:
Client Friendly Name:
3com
Client IP Address:
xxx.xxx.xx.xx
Authentication Details:
Connection Request Policy Name:
NAP 802.1X (Wired) 2
Network Policy Name:
Authentication Provider:
Windows
Authentication Server:
server.abc.local
Authentication Type:
PAP
EAP Type:
Account Session Identifier:
Logging Results:
Accounting information was written to the local log file.
Reason Code:
16
Reason:
Authentication failed due to a user credentials mismatch. Either the user name provided does not map to an existing user account or the password was incorrect.
All I could find was " Authentication failed due to the reason appeared in the reason code but I am very sure that the name and the password are the same. I hope someone can help me out.
Thanks.

Hi,
Thanks for your post.
MAC address authorization is performed when the user does not type in any user name or password, and refuses to use any valid authentication method. In this case, Network Policy Server (NPS) receives the Calling-Station-ID attribute, and no user name and
password. To support MAC address authorization, Active Directory Domain Services (AD DS) must have user accounts that contain MAC addresses as user names.
For more detailed information about MAC Address Authorization, please refer to the below article. Hope it helps.
MAC Address Authorization
http://technet.microsoft.com/en-us/library/dd197535(WS.10).aspx
Best Regards,
Aiden
Aiden Cao
TechNet Community Support

How to set two radius servers one is window NPS another is cisco radius server

how to set two radius servers one is window NPS another is cisco radius server
when i try the following command, once window priority is first , i type cisco radius user name, it authenticated fail
i can not use both at the same time
radius-server host 192.168.1.3 is window NPS
radius-server host 192.168.1.1 is cisco radius
http://blog.skufel.net/2012/06/how-to-integrating-cisco-devices-access-with-microsoft-npsradius/
conf t
no aaa authentication login default line
no aaa authentication login local group radius
no aaa authorization exec default group radius if-authenticated
no aaa authorization network default group radius
no aaa accounting connection default start-stop group radius
aaa new-model
aaa group server radius IAS
server 192.168.1.1 auth-port 1812 acct-port 1813
server 192.168.1.3 auth-port 1812 acct-port 1813
aaa authentication login userAuthentication local group IAS
aaa authorization exec userAuthorization local group IAS if-authenticated
aaa authorization network userAuthorization local group IAS
aaa accounting exec default start-stop group IAS
aaa accounting system default start-stop group IAS
aaa session-id common
radius-server host 192.168.1.1 auth-port 1812 acct-port 1813
radius-server host 192.168.1.2 auth-port 1812 acct-port 1813
radius-server host 192.168.1.3 auth-port 1645 acct-port 1646
radius-server host 192.168.1.3 auth-port 1812 acct-port 1813
privilege exec level 1 show config
ip radius source-interface Gi0/1
line vty 0 4
authorization exec userAuthorization
login authentication userAuthentication
transport input telnet
line vty 5 15
authorization exec userAuthorization
login authentication userAuthentication
transport input telnet
end
conf t
aaa group server radius IAS
server 192.168.1.3 auth-port 1812 acct-port 1813
server 192.168.1.1 auth-port 1812 acct-port 1813
end

The first AAA server listed in your config will always be used unless/until it becomes unavailable. At that point the NAD would move down to the next AAA server defined on the list and use that one until it becomes unavailable and then move to third one, and so on.
If you want to use two AAA servers at the same time then you will need to put a load balancer in front of them. Then the virtual IP (vip) will be listed in the NADs vs the individual AAA servers' IPs.
I hope this helps!
Thank you for rating helpful posts!

Cisco WLC 5508 - NPS Radius

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 WLAN to use it.
Both are on the same subnet.
When trying to conect to the WLAN it kept failing. I installed wireshark 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 reverified that the server was enabled on both the security tab and the WLAN 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 wireshark. It rejected my access, but at least I saw activity. It also registerd radius statistcs 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.
What in the world is going on here?

I do have local management users on the controller.
Some hours later I added the option of authenticating management users, for the NPS server. Then logged inn to the management GUI using NPS radius, worked just fine.
However, these commands have been useful to me several times, to make sure unsuccessful requests appear in the Windows Event log:
auditpol /get /subcategory:"Network Policy Server"
If it shows ‘No auditing’ or just "Success", you can run this command to enable it:
auditpol /set /subcategory:"Network Policy Server" /success:enable /failure:enable
So now I know that the NPS radius server works, for management access. I will go to the customer's site some other day to test it for 802.1x authentication. If not, I'll do some debugging to decide wihich to blame - the WLC or NPS.

WPA2-Enterprise + EAP (PEAP) and 802.1x to authenticate to RADIUS server NPS

I need to connect my iPhone and my iPad to the corporate wireless network using WPA2-Enterprise and 802.1x to authenticate against a RADIUS server with my corporate user. What is the procedure to configure the clients? Certificates is not necessary on the client. Radius server is a NPS of Microsoft and the WLC is a 5508 of Cisco.
thanks !!!

WPA and WPA2 are all actually interim protocols that are used until the standardization of IEEE 802.11i standard. Wi-fi appliance decided that ratification and standardization of 802.11i standards will take more time. So, they came up with WPA.
Now, WPA2 is advanced version of WPA. WPA2 uses AES as encryption algorithm. Whereas, WPA use TKIP as encryption mode which in turn uses RC4 encryption algorithm.
WPA and WPA2 are actually are of 2 types respectively.
WPA/WPA2-PSK - This is mainly for small offices. This uses Pre-Shared Key for authentication.
WPA/WPA2 -Enterprise - This uses a RADIUS Server for authentication. This is an extension to 802.1x authentication. But this uses stronger encryption scheme(WPA uses RC4 and WPA2 uses AES).
Any authentication mechanism that involves a separation authentication server for authentication like ACS server is called 802.1x authentication.
EAP stands for Extensible Authentication Protocol. It refers to the type or method of 802.1x Authentication by the RADIUS/Tacacs server. A RADIUS server can authenticate a wireless client with various EAP methods.
LEAP is one type of EAP. It uses username and password for authenticating wireless clients. LEAP is cisco proprietory.
There are also EAP types which uses other user credentials like Certificates, SIM etc for authentcation.
The following document might clarify your doubts.
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00805e8297.shtml

Can't authenticate Mac VPN client from RADIUS server

Hello,
I'm a real noob here so please bear with me.
I have been able to configure my PIX 515E to allow VPN connections onto my network, but what I need to do is set up some sort of user authentication to control access at a user level. From what I've read here and in the Configuration Guide I should be able to do this authentication with a RADIUS server. I'm running a Corriente Networks Elektron Security server which has RADIUS server capabilities. It is running on my (inside) interface at IP 192.168.10.26.
I thought that I had everything configured properly but it never seems to authenticate. I connect, the XAUTH window pops up, I add my username and password as it's configured on my RADIUS server, but when I click OK it just cycles the progress bar at the bottom and eventually times out. The client log doesn't show me anything and the log on the RADIUS server shows me nothing. Any ideas? this seems like it should be simple because I can connect until I attempt to authenticate to the RADIUS server.
TIA for any direction you can provide me.
Christine

If it helps, here is my config with a some of the non-related bits deleted:
interface ethernet0 auto
interface ethernet1 auto
interface ethernet2 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
nameif ethernet2 DMZ security50
enable password ********* encrypted
passwd ******* encrypted
hostname pixfirewall
domain-name acme.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol http 80
fixup protocol http 82
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
access-list inside_outbound_nat0_acl permit ip any 192.168.10.0 255.255.255.0
access-list inside_outbound_nat0_acl permit ip host 192.168.10.26 192.168.10.192 255.255.255.224
access-list inside_outbound_nat0_acl permit ip host 192.168.10.69 192.168.10.192 255.255.255.224
access-list outside_cryptomap_dyn_20 permit ip any 192.168.10.0 255.255.255.0
access-list outside_cryptomap_dyn_40 permit ip any 192.168.10.192 255.255.255.224
mtu outside 1500
mtu inside 1500
mtu DMZ 1500
ip address outside 207.XXX.XXX.130 255.255.255.0
ip address inside 192.168.10.1 255.255.255.0
ip address DMZ 192.168.100.1 255.255.255.0
multicast interface inside
ip audit info action alarm
ip audit attack action alarm
ip local pool CBI_VPN_Pool 192.168.10.201-192.168.10.220
pdm location 192.168.10.50 255.255.255.255 inside
pdm group CBI_Servers inside
pdm logging warnings 100
pdm history enable
arp timeout 14400
global (outside) 200 interface
global (DMZ) 200 interface
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 200 192.168.10.0 255.255.255.0 0 0
static (inside,outside) 207.XXX.XXX.150 192.168.10.27 netmask 255.255.255.255 0 0
static (inside,outside) 207.XXX.XXX.132 192.168.10.26 dns netmask 255.255.255.255 0 0
access-group 100 in interface outside
route outside 0.0.0.0 0.0.0.0 207.XXX.XXX.129 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server radius-authport 1812
aaa-server radius-acctport 1812
aaa-server TACACS+ protocol tacacs+
aaa-server RADIUS protocol radius
aaa-server RADIUS (inside) host 192.168.10.26 ************* timeout 10
aaa-server LOCAL protocol local
http server enable
http 192.168.10.3 255.255.255.255 inside
no floodguard enable
sysopt connection permit-ipsec
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto dynamic-map outside_dyn_map 20 match address outside_cryptomap_dyn_20
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-DES-MD5
crypto dynamic-map outside_dyn_map 40 match address outside_cryptomap_dyn_40
crypto dynamic-map outside_dyn_map 40 set transform-set ESP-DES-MD5
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map client authentication RADIUS
crypto map outside_map interface outside
crypto map inside_map interface inside
isakmp enable outside
isakmp nat-traversal 3600
isakmp policy 20 authentication pre-share
isakmp policy 20 encryption des
isakmp policy 20 hash md5
isakmp policy 20 group 2
isakmp policy 20 lifetime 86400
vpngroup Test_VPN address-pool CBI_VPN_Pool
vpngroup Test_VPN dns-server 142.77.2.101 142.77.2.36
vpngroup Test_VPN default-domain acme.com
vpngroup Test_VPN idle-time 1800
vpngroup Test_VPN authentication-server RADIUS
vpngroup Test_VPN user-authentication
vpngroup Test_VPN user-idle-timeout 1200
vpngroup Test_VPN password ********
ssh timeout 5
console timeout 0
dhcpd address 192.168.10.100-192.168.10.254 inside
dhcpd dns 142.77.2.101 142.77.2.36
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside

Cisco ISE: External RADIUS Server

Hi,
I would like to forward RADIUS from PSN to another PSN. I already defined "External RADIUS Servers".
So, how can I use this external RADIUS server to process my request ?
Looking at the user guide but didn't find any information about this setting (For rule based not simple rule)
If anyone use this, please suggest this to me.
Thanks,
Pongsatorn

Defining an External RADIUS Server
The Cisco Cisco ISE can function both as a RADIUS server and as a RADIUS proxy server. When it acts as a proxy server, the Cisco Cisco ISE receives authentication and accounting requests from the network access server (NAS) and forwards them to the external RADIUS server. The Cisco Cisco ISE accepts the results of the requests and returns them to the NAS. You must configure the external RADIUS servers in the Cisco Cisco ISE to enable it to forward requests to the external RADIUS servers. You can define the timeout period and the number of connection attempts.
The Cisco Cisco ISE can simultaneously act as a proxy server to multiple external RADIUS servers. You can use the external RADIUS servers that you configure here in RADIUS server sequences. This External RADIUS Server page lists all the external RADIUS servers that you have defined in Cisco Cisco ISE. You can use the filter option to search for specific RADIUS servers based on the name or description or both.
To create an external RADIUS server, complete the following steps:
Step 1 Choose Administration > Network Resources > External RADIUS Servers.
The RADIUS Servers page appears with a list of external RADIUS servers that are defined in Cisco ISE.
Step 2 Click Add to add an external RADIUS server.
Step 3 Enter the values as described:
•Name—(Required) Enter the name of the external RADIUS server.
•Description—Enter a description of the external RADIUS server.
•Host IP—(Required) Enter the IP address of the external RADIUS server.
•Shared Secret—(Required) Enter the shared secret between Cisco Cisco ISE and the external RADIUS server that is used for authenticating the external RADIUS server. A shared secret is an expected string of text that a user must provide to enable the network device to authenticate a username and password. The connection is rejected until the user supplies the shared secret. The shared secret can be up to 128 characters in length.
•Enable KeyWrap—This option increases RADIUS protocol security via an AES KeyWrap algorithm, to help enable FIPS 140-2 compliance in Cisco ISE.
•Key Encryption Key—This key is used for session encryption (secrecy).
•Message Authenticator Code Key—This key is used for keyed HMAC calculation over RADIUS messages.
•Key Input Format—Specify the format you want to use to enter the Cisco ISE FIPS encryption key, so that it matches the configuration that is available on the WLAN controller. (The value you specify must be the correct [full] length for the key as defined below—shorter values are not permitted.)
–ASCII—The Key Encryption Key must be 16 characters (bytes) long, and the Message Authenticator Code Key must be 20 characters (bytes) long.
–Hexadecimal—The Key Encryption Key must be 32 bytes long, and the Message Authenticator Code Key must be 40 bytes long.
•Authentication Port—(Required) Enter the RADIUS authentication port number. The valid range is from 1 to 65535. The default is 1812.
•Accounting Port—(Required) Enter the RADIUS accounting port number. The valid range is from 1 to 65535. The default is 1813.
•Server Timeout—(Required) Enter the number of seconds that the Cisco Cisco ISE waits for a response from the external RADIUS server. The default is 5 seconds. Valid values are from 5 to 120.
•Connection Attempts—(Required) Enter the number of times that the Cisco Cisco ISE attempts to connect to the external RADIUS server. The default is 3 attempts. Valid values are from 1 to 9.
Step 4 Click Submit to save the external RADIUS server configuration.

2504 Wireless Controller and Server 2008 NPS

I want to configure a simple NPS/RADIUS server for wireless authentication. I've read well over the EAP setup, and becaues it makes use of certificates it isn't going to work for non-domain computers. I'm looking for a way to copy what I have to VPNs, where when a user tries to login it ask for their username and password.
Ergo, when a computer, ipad, iphone, android, or mac connects to the wireless I want them to be asked for their domain username and password. If possible I'd like to keep it so they do not need to specify domain\username but rather just their username.
Is what I'm looking to do possible? I've configured it with EAP but again in this deployment I cannot make use of certificates or a domain CA. I am also not able to touch every machine that comes in to connect to the wireless. I am also looking to use LDAP/RADIUS in place of a PSK or WEP key so that user passwords can be changed per the domain policy every so often. We also have a wireless users group so not just anyone can connect. For every other non-company employee we already have a restricted SSID for guest with a PSK.
Thanks in advance for any and all suggestions!

Joe:
Having NPS, you have the options to configure PEAP-MSCHAPv2 or EAP-TLS.
EAP-TLS: mandates a certificate on the server as well as a certificate on every single machine for authentication purposes.
PEAP-MSCHAPv2: mandates a certificate on the server only. Users connecting to the wireless network must trust the certificate (or, user devices can be configured to escape this trust and connect even if the server cert is not trusted).
for PEAP-MSCHAPv2, Your options are:
- Buy a certificate for the server from a trusted party (Verisign for example [which was bought later by Symantec]). This way all devices will - by default - trust the server's cert.
- Install local CA. Install a cert on the server and then push the root CA cert for your CA to all client device so they trust this issuer.
- If both up options are not valid for you, what you can do is to configure every single client to ignore the untrusted cert and proceed with the connectoin. (This is a security concern though. not recommended unless really needed).
You must get a cert on the server and all clients must trust that certificate's issuer. Otherwise you'll not be able to user PEAP.
HTH
Amjad
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WLC cannot reach Radius server

I am currently configuring Radius server with Cisco Wireless Controller 5508. Using debug aaa at the CLI, I can see the controller receive radius client message but nothing coming back from the radius server.
For some reason, Wireless Controller 5508 cannot ping the Radius server using CLI. Yet, I can ping the 5508 controller from the Radius server. The Radius server is running Windows 2008 NPS with firewall turned off. There are no antivirus firewall installed on the Radius server. NPS is installed and configured on Windows 2008. Nothing shows up in the NPS log.
Any idea?

if you put a PC onto WLC management subnet can you ping your NPS from that PC ?
Also are you using service port of your WLC ?
HTH
Rasika
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AAA not authenticating to Win Radius server

I have a client that is trying to use a Windows ISA server as a RADIUS server to authenticate PPTP connections to a 515e. I know that the VPN connection is working since I can set it up to use local auth and it works just fine. When I set up radius the clients get an error that says that it did not get a response from the server (I think it was 761).
The relevant config and the debug ppp negotiation and debug ppp error is below, I am looking to see if there is a way to test the RADIUS server other than having someone try to connect. Or if anyone has had any experience setting these up.
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server RadiusServers protocol radius
aaa-server RadiusServers max-failed-attempts 3
aaa-server RadiusServers deadtime 10
aaa-server RadiusServers (inside) host ********** ***KEY*** timeout 10
vpdn group VPN accept dialin pptp
vpdn group VPN ppp authentication pap
vpdn group VPN ppp authentication chap
vpdn group VPN ppp authentication mschap
vpdn group VPN ppp encryption mppe 40
vpdn group VPN client configuration address local VPN-Clients
vpdn group VPN client configuration dns ***********
vpdn group VPN client authentication aaa RadiusServers
vpdn group VPN pptp echo 60
vpdn enable outside
PPP virtual access open, ifc = 0
Rcvd Link Control Protocol pkt, Action code is: Config Request, len is: 17
Pkt dump: 010405780506575173cb070208020d0306
LCP Option: Max_Rcv_Units, len: 4, data: 0578
LCP Option: MAGIC_NUMBER, len: 6, data: 575173cb
LCP Option: PROTOCOL_HDR_COMPRESSION, len: 2, data:
LCP Option: ADDRESS_CONTROL_COMPRESSION, len: 2, data:
LCP Option: CALL_BACK, len: 3, data: 06
Xmit Link Control Protocol pkt, Action code is: Config Request, len is: 11
Pkt dump: 0305c2238005064d525532
LCP Option: AUTHENTICATION_TYPES, len: 5, data: c22380
LCP Option: MAGIC_NUMBER, len: 6, data: 4d525532
Xmit Link Control Protocol pkt, Action code is: Config Reject, len is: 11
Pkt dump: 01040578070208020d0306
LCP Option: Max_Rcv_Units, len: 4, data: 0578
LCP Option: PROTOCOL_HDR_COMPRESSION, len: 2, data:
LCP Option: ADDRESS_CONTROL_COMPRESSION, len: 2, data:
LCP Option: CALL_BACK, len: 3, data: 06
Rcvd Link Control Protocol pkt, Action code is: Config ACK, len is: 11
Pkt dump: 0305c2238005064d525532
LCP Option: AUTHENTICATION_TYPES, len: 5, data: c22380
LCP Option: MAGIC_NUMBER, len: 6, data: 4d525532
Rcvd Link Control Protocol pkt, Action code is: Config Request, len is: 6
Pkt dump: 0506575173cb
LCP Option: MAGIC_NUMBER, len: 6, data: 575173cb
Xmit Link Control Protocol pkt, Action code is: Config ACK, len is: 6
Pkt dump: 0506575173cb
LCP Option: MAGIC_NUMBER, len: 6, data: 575173cb
Rcvd Link Control Protocol pkt, Action code is: Identification, len is: 14
Pkt dump: 575173cb4d5352415356352e3130
Rcvd Link Control Protocol pkt, Action code is: Identification, len is: 16
Pkt dump: 575173cb4d535241532d302d4a414445
PPP chap receive response: rcvd type MS-CHAP-V1
uauth_mschap_send_req: pppdev=4, ulen=19, user=DOMAIN\JoeUser
PPP chap receive response: rcvd type MS-CHAP-V1
uauth_mschap_proc_reply: pppdev = 1, status = 0
uauth mschap: pppdev = 1, close ppp dev
PPP va close, device = 1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
PPP chap receive response: rcvd type MS-CHAP-V1
Rcvd Link Control Protocol pkt, Action code is: Termination Request, len is: 12
Pkt dump: 575173cb003ccd74000002ce
Xmit Link Control Protocol pkt, Action code is: Termination ACK, len is: 0
PPP va close, device = 4

You get the details for troubleshooting the Cisco ACS server from the following URL: http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_configuration_example09186a0080094a03.shtml

Exchange Server 2013 with a RADIUS server (freeRADIUS).

Hello,
I am a student and doing an internship. I have to test Microsoft Exchange Server 2013.
I am using Windows Server 2012, I already installed Exchange Server 2013 on it and everything works as intended.
But I couldn't find out how to configure my Windows Server 2012 in order to authenticate my mailbox users from Exchange Server 2013 with a RADIUS server which is not on my Windows Server 2012. I have to use their RADIUS server (freeRADIUS), the RADIUS server
from the company where I am doing my internship.
I already created a NPS and added the RADIUS Client + Remote
RADIUS Server Groups. I created a Connection Request Policies with the condition:
User Name *
I forwarded the Connection Request to the
Remote RADIUS server that I created in Remote RADIUS Server Groups and then I registered the NPS in th AD. But it's still not working.
Maybe I did something wrong or I misunderstood something or does this even work with Exchange Server 2013? To authenticate mailbox users with a RADIUS server before they can login into their mailbox and use their mailbox?
Thanks in advance.

Hi,
I suggest we refer to the following article to double confirm the Network Policy Server is registered properly.
http://technet.microsoft.com/library/cc732912.aspx
Thanks,
Simon Wu
TechNet Community Support

Cisco 28xx easy vpn server & MS NPS (RADIUS server)

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