topic dot1x authentication failed in Network Access Control https://community.cisco.com/t5/network-access-control/dot1x-authentication-failed/m-p/881499#M5484 <P>I have a 3550 switch with IOS 12.2.I have configured a single port fa/26 to authenticate via my radius server .for my switch when i give a test it works fine.</P><P>'osi_switch#test aaa group radius server 172.25.25.50 deepa 01deepa01 legacy</P><P>Attempting authentication test to server-group radius using radius</P><P>User was successfully authenticated.'</P><P>But my system is not getting authenticated using the same login.below is my switch configuration</P><P>On the pc i have enabled md5 authentication on lan connection properties.</P><P>Any help will be highly appreciated.</P><P></P><P></P><P></P><P></P><P> </P><P></P> Fri, 21 Feb 2020 18:19:51 GMT deepa_network 2020-02-21T18:19:51Z dot1x authentication failed https://community.cisco.com/t5/network-access-control/dot1x-authentication-failed/m-p/881499#M5484 <P>I have a 3550 switch with IOS 12.2.I have configured a single port fa/26 to authenticate via my radius server .for my switch when i give a test it works fine.</P><P>'osi_switch#test aaa group radius server 172.25.25.50 deepa 01deepa01 legacy</P><P>Attempting authentication test to server-group radius using radius</P><P>User was successfully authenticated.'</P><P>But my system is not getting authenticated using the same login.below is my switch configuration</P><P>On the pc i have enabled md5 authentication on lan connection properties.</P><P>Any help will be highly appreciated.</P><P></P><P></P><P></P><P></P><P> </P><P></P> Fri, 21 Feb 2020 18:19:51 GMT https://community.cisco.com/t5/network-access-control/dot1x-authentication-failed/m-p/881499#M5484 deepa_network 2020-02-21T18:19:51Z Re: dot1x authentication failed https://community.cisco.com/t5/network-access-control/dot1x-authentication-failed/m-p/881500#M5487 <HTML><HEAD></HEAD><BODY><P>If the switch passes the authentication test this means that config in switch is fine. Try using a different PC on the same interface and check if this work fine.</P></BODY></HTML> Thu, 29 Nov 2007 22:41:05 GMT https://community.cisco.com/t5/network-access-control/dot1x-authentication-failed/m-p/881500#M5487 amritpatek 2007-11-29T22:41:05Z