https://community.cisco.com/t5/software-defined-access-sd-access/legacy-switches-interaction-with-border-node/m-p/4023966#M484 <P>Hello,<BR /><BR />I have two catalyst 9500 planed to act as SDA border / Control plane nodes.<BR /><BR />My question can i connect some traditional legacy switches ( 2960x , 3650 ) and configure them using CLI traditional method ( L2 trunks ) on the same border nodes while these borders are routed L3 underlay and fabric enabled using DNA Center<BR /><BR />Is there any limitation or conflict&nbsp;for such type of this deployment.<BR /><BR />Thanks in advance&nbsp;<BR /><BR /><BR /></P> Wed, 05 Feb 2020 10:56:57 GMT Amo2019 2020-02-05T10:56:57Z https://community.cisco.com/t5/software-defined-access-sd-access/legacy-switches-interaction-with-border-node/m-p/4023966#M484 <P>Hello,<BR /><BR />I have two catalyst 9500 planed to act as SDA border / Control plane nodes.<BR /><BR />My question can i connect some traditional legacy switches ( 2960x , 3650 ) and configure them using CLI traditional method ( L2 trunks ) on the same border nodes while these borders are routed L3 underlay and fabric enabled using DNA Center<BR /><BR />Is there any limitation or conflict&nbsp;for such type of this deployment.<BR /><BR />Thanks in advance&nbsp;<BR /><BR /><BR /></P> Wed, 05 Feb 2020 10:56:57 GMT https://community.cisco.com/t5/software-defined-access-sd-access/legacy-switches-interaction-with-border-node/m-p/4023966#M484 Amo2019 2020-02-05T10:56:57Z https://community.cisco.com/t5/software-defined-access-sd-access/legacy-switches-interaction-with-border-node/m-p/4035260#M524 <P>A hybrid solution is not supported.</P> <P>Having said that you could use Layer2 Hand off on Layer 2 border , this is mainly a solution used for migrating an existing network to SDA. Its not recommended as a long term solution.</P> <P>&nbsp;</P> Tue, 25 Feb 2020 09:35:46 GMT https://community.cisco.com/t5/software-defined-access-sd-access/legacy-switches-interaction-with-border-node/m-p/4035260#M524 ldanny 2020-02-25T09:35:46Z