topic Re: VPN3k Radius authentication Error in Network Access Control https://community.cisco.com/t5/network-access-control/vpn3k-radius-authentication-error/m-p/461173#M429139 <HTML><HEAD></HEAD><BODY><P>I can suggest several things to check about this issue. Are you sure that you have correct IP connectivity between the devices? (check this by pinging from the vpn3k to the server and ping from the server to the vpn3k) Are you sure that you have configured the correct key for cummunication from the vpn3k to the server? Does the server see any connection attempt from the vpn3k? (check logs and failed attempt reports on the server) Is there any access list on any router along the path from the vpn3k to the server which might be denying the request or the response?</P><P></P><P>HTH</P><P></P><P>Rick</P></BODY></HTML> Wed, 18 May 2005 13:39:55 GMT Richard Burts 2005-05-18T13:39:55Z VPN3k Radius authentication Error https://community.cisco.com/t5/network-access-control/vpn3k-radius-authentication-error/m-p/461172#M429136 <P>I dont know what i am doing wrong, but everytime i try to setup a VPN3k for radius authentication get the following error: </P><P></P><P>An error has occurred while attempting to perform the operation. </P><P></P><P>Authentication Error: No active server found</P><P></P><P>The server is correctly configured on the vpn3k and also i setup the vpn3k as a client to ACS. The radius server works fine with any other routers. </P><P></P><P></P><P>Can anybody please share some tips.</P><P></P><P>Thanks </P> Sun, 10 Mar 2019 21:09:16 GMT https://community.cisco.com/t5/network-access-control/vpn3k-radius-authentication-error/m-p/461172#M429136 mariocabrejo 2019-03-10T21:09:16Z Re: VPN3k Radius authentication Error https://community.cisco.com/t5/network-access-control/vpn3k-radius-authentication-error/m-p/461173#M429139 <HTML><HEAD></HEAD><BODY><P>I can suggest several things to check about this issue. Are you sure that you have correct IP connectivity between the devices? (check this by pinging from the vpn3k to the server and ping from the server to the vpn3k) Are you sure that you have configured the correct key for cummunication from the vpn3k to the server? Does the server see any connection attempt from the vpn3k? (check logs and failed attempt reports on the server) Is there any access list on any router along the path from the vpn3k to the server which might be denying the request or the response?</P><P></P><P>HTH</P><P></P><P>Rick</P></BODY></HTML> Wed, 18 May 2005 13:39:55 GMT https://community.cisco.com/t5/network-access-control/vpn3k-radius-authentication-error/m-p/461173#M429139 Richard Burts 2005-05-18T13:39:55Z