topic long delay for authentication failure in Network Access Control https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945500#M419514 <P>Any guru here can help me on explaining a question about general authentication:</P><P></P><P>Normally when the authentication passes, it takes little time to see the result but when it fails, it takes much longer time to get a fail message. Why is that so?</P> Sun, 10 Mar 2019 22:52:34 GMT xianglingzj 2019-03-10T22:52:34Z long delay for authentication failure https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945500#M419514 <P>Any guru here can help me on explaining a question about general authentication:</P><P></P><P>Normally when the authentication passes, it takes little time to see the result but when it fails, it takes much longer time to get a fail message. Why is that so?</P> Sun, 10 Mar 2019 22:52:34 GMT https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945500#M419514 xianglingzj 2019-03-10T22:52:34Z Re: long delay for authentication failure https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945501#M419515 <HTML><HEAD></HEAD><BODY><P>It really depends on why it is failing. If it is failing because it does not get a response from the authentication server then it will try any other authentication servers in your list. This could take some time. </P><P></P><P>If the authentication server responds with either a success or failure there should be no real difference in the time taken.</P><P></P><P>Jon</P></BODY></HTML> Thu, 29 May 2008 06:27:08 GMT https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945501#M419515 Jon Marshall 2008-05-29T06:27:08Z Re: long delay for authentication failure https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945502#M419517 <HTML><HEAD></HEAD><BODY><P>I think a lot of us have ever experienced this: When login to a TACACS+ enabled router, if you key in the correct pwd, it will grant you access almost in no time; whereas if you have any typo... hoho, better to get a cup of coffee from vending machine.</P><P></P><P>I would like to know what is happening within the long delay.</P></BODY></HTML> Thu, 29 May 2008 09:20:10 GMT https://community.cisco.com/t5/network-access-control/long-delay-for-authentication-failure/m-p/945502#M419517 xianglingzj 2008-05-29T09:20:10Z