https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80145#M2164 <P>How can I block an edge port where is connected an unmanaged switch A4 EOS.</P> <P>I means how can the port be blocked automatically if an unautorized switch is connected to an edge port.</P> Sun, 07 Jun 2020 19:34:03 GMT Alberto_Cornejo 2020-06-07T19:34:03Z https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80145#M2164 <P>How can I block an edge port where is connected an unmanaged switch A4 EOS.</P> <P>I means how can the port be blocked automatically if an unautorized switch is connected to an edge port.</P> Sun, 07 Jun 2020 19:34:03 GMT https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80145#M2164 Alberto_Cornejo 2020-06-07T19:34:03Z https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80146#M2165 <P>Enable Spanning Tree (normaly this is the default on a EOS-Switch). Set Port mode to admin-edge. And enable Span-guard.</P> Sun, 07 Jun 2020 22:01:18 GMT https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80146#M2165 PeterK 2020-06-07T22:01:18Z https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80147#M2166 <P>Hello Alberto,</P> <P>If you are using XMC with NAC,&nbsp;another way is to enable authentication on the access ports to which unauth switches maybe connected.</P> <P>Regards</P> <P>Stephan</P> Mon, 08 Jun 2020 03:57:47 GMT https://community.extremenetworks.com/t5/extremeswitching-eos/how-can-i-block-an-edge-port-where-is-connected-an-unmanaged/m-p/80147#M2166 StephanH 2020-06-08T03:57:47Z