SDN ready Network Design

[telesymbol]

Dear All,

we've dual Catalyst 9500 switches with Network Advantage (Collapsed Core) and 20 catalyst 9300 switches (Access) with Network Essential licensing. we want our design ready for SD Access future scalability and we're planning to connect collapsed core switches to the Access switches with Layer 3 or IP connectivity. please advice where we should configure DHCP, VLAN & SVI for users.

Regards

[balaji.bandi]

You need to start looking brown field deployment :

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html#Greenfield_Brownfield

https://community.cisco.com/kxiwq67737/attachments/kxiwq67737/5981-discussions-other-network-infra/197124/1/Cisco%20Software%20Defined%20Access%20Migration%20Guide.pdf

If you have access to cisco live on-demand look for -  BRKCRS-2812 and TECCRS-3810

When you planning to move to SD-Access, you may need to reconfigure the CORE and Access switch to meet the SD-Access requirement. so that will be the maintenance window.

if you do not have CORE Switch spare, so consider major downtime to convert to SD-Access.