https://community.cisco.com/t5/network-access-control/network-authentication/m-p/2641824#M74790 <P>check Configuring IEEE 802.1x Port-Based Authentication</P><P>IEEE 802.1x authentication is enabled, ports are authenticated before any other Layer 2 or Layer 3 features are enabled.</P><P>http://www.cisco.com/c/en/us/td/docs/ios/12_4t/12_4t11/ht_8021x.html</P> Fri, 20 Feb 2015 13:57:32 GMT Venkatesh Attuluri 2015-02-20T13:57:32Z https://community.cisco.com/t5/network-access-control/network-authentication/m-p/2641823#M74785 <P>Dear All,</P><P>&nbsp;</P><P>I would like to make security on network side that anyone connect cable into switch prompt username and password then dhcp lease or any ip will work ?</P><P>&nbsp;</P><P>Please Help.</P> Tue, 26 Mar 2019 00:32:34 GMT https://community.cisco.com/t5/network-access-control/network-authentication/m-p/2641823#M74785 noman_a_s 2019-03-26T00:32:34Z https://community.cisco.com/t5/network-access-control/network-authentication/m-p/2641824#M74790 <P>check Configuring IEEE 802.1x Port-Based Authentication</P><P>IEEE 802.1x authentication is enabled, ports are authenticated before any other Layer 2 or Layer 3 features are enabled.</P><P>http://www.cisco.com/c/en/us/td/docs/ios/12_4t/12_4t11/ht_8021x.html</P> Fri, 20 Feb 2015 13:57:32 GMT https://community.cisco.com/t5/network-access-control/network-authentication/m-p/2641824#M74790 Venkatesh Attuluri 2015-02-20T13:57:32Z