topic Re: TACACS+ Authentication not Working for MFA using Radius Server Sequence in Network Access Control https://community.cisco.com/t5/network-access-control/tacacs-authentication-not-working-for-mfa-using-radius-server/m-p/3557986#M510338 <HTML><HEAD></HEAD><BODY><P>It seems the customer might be hitting CSCvg03448, which is resolved in ISE 2.3 Patch 2.</P><P>Otherwise, T+ in ISE does support external RADIUS servers.</P></BODY></HTML> Fri, 27 Apr 2018 19:19:56 GMT hslai 2018-04-27T19:19:56Z TACACS+ Authentication not Working for MFA using Radius Server Sequence https://community.cisco.com/t5/network-access-control/tacacs-authentication-not-working-for-mfa-using-radius-server/m-p/3557985#M510337 <HTML><HEAD></HEAD><BODY><P>Folks,</P><P></P><P>Question from a very large Insurance customer:&nbsp; </P><P></P><P><SPAN style="color: #1f497d;"> I am&nbsp; not able to send Tacacs authentications over to a Radius Server Sequence,&nbsp; only an “External Identity Source’ using ISE 2.3. Is this the only supported behavior for TACACS+ authentications?&nbsp; The solution works for Cisco ACS 5 as a Radius server proxy.&nbsp; It uses a one time token for multi-factor authentication.<BR /></SPAN></P><P></P><P>Is this only supported as an External Identity Source?</P></BODY></HTML> Fri, 27 Apr 2018 18:30:22 GMT https://community.cisco.com/t5/network-access-control/tacacs-authentication-not-working-for-mfa-using-radius-server/m-p/3557985#M510337 kkaminsk 2018-04-27T18:30:22Z Re: TACACS+ Authentication not Working for MFA using Radius Server Sequence https://community.cisco.com/t5/network-access-control/tacacs-authentication-not-working-for-mfa-using-radius-server/m-p/3557986#M510338 <HTML><HEAD></HEAD><BODY><P>It seems the customer might be hitting CSCvg03448, which is resolved in ISE 2.3 Patch 2.</P><P>Otherwise, T+ in ISE does support external RADIUS servers.</P></BODY></HTML> Fri, 27 Apr 2018 19:19:56 GMT https://community.cisco.com/t5/network-access-control/tacacs-authentication-not-working-for-mfa-using-radius-server/m-p/3557986#M510338 hslai 2018-04-27T19:19:56Z