https://community.extremenetworks.com/t5/extremeswitching-exos-switch/aaa-on-extreme/m-p/70384#M18777 Hi Irakli,<BR /><BR />have you've tried "<SPAN>configure tacacs timeout seconds xxx" as per the below KB article...</SPAN><BR /><BR /><A href="https://extremeportal.force.com/ExtrArticleDetail?an=000081819" target="_blank" rel="noopener">https://extremeportal.force.com/ExtrArticleDetail?an=000081819</A><BR /><BR />-Ron Thu, 23 Dec 2021 17:25:24 GMT Ronald_Dvorak 2021-12-23T17:25:24Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/aaa-on-extreme/m-p/70383#M18776 Hello,<BR /><BR />I would like to configure Authentication\Authorization on my Extreme Switch (Summit X440-48P) through AAA Server (Cisco ACS).<BR />I Have added tacacs configuration and authentication works fine. But I would like to configure: if the AAA is not accessible then switch must use local Username\Password for authentication. This scheme doesn't work.&nbsp;<BR /><BR />Version of Firmware is 15.3.1.4<BR />Could you please help me with this issue.&nbsp;<BR />Thanks. Thu, 23 Dec 2021 12:49:23 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/aaa-on-extreme/m-p/70383#M18776 IrakliG 2021-12-23T12:49:23Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/aaa-on-extreme/m-p/70384#M18777 Hi Irakli,<BR /><BR />have you've tried "<SPAN>configure tacacs timeout seconds xxx" as per the below KB article...</SPAN><BR /><BR /><A href="https://extremeportal.force.com/ExtrArticleDetail?an=000081819" target="_blank" rel="noopener">https://extremeportal.force.com/ExtrArticleDetail?an=000081819</A><BR /><BR />-Ron Thu, 23 Dec 2021 17:25:24 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/aaa-on-extreme/m-p/70384#M18777 Ronald_Dvorak 2021-12-23T17:25:24Z