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802.1x authentication using 2012 R2 NPS & cisco 3750

saqiibiqbal
Level 1
Level 1

Hello All,

                i am trying to configure 802.1x on Cisco 3750 switch, my radius server is on windows server 2012 R2. wireless clients are authenticating through that radius server. after configure 3750 and tried to connect a wired client (win 7 machine) on the specified port of the switch i am getting authentication failed error. 

below is my configuration on switch:

aaa new-model

aaa authentication dot1x default group radius
aaa authorization network default group radius

dot1x system-auth-control

ip radius source-interface Vlan1

radius-server host 192.168.x.xx auth-port 1812 acct-port 1813 key secret

port settings

switchport mode access
authentication port-control auto
dot1x pae authenticator

i dont understand what i am doing wrong.

thanks.

8 Replies 8

Ivan Gonzalez
Cisco Employee
Cisco Employee