Jay Stants builds the networks everything else runs on. Enterprise architecture, network automation, and zero-trust security.https://jaystants.com/https://jaystants.com/blog/the-migration-workbook/https://jaystants.com/blog/the-migration-workbook/About 900 access points, 190 WLANs, sixteen Catalyst 9800 controllers across four regional datacenters, and an AAA migration to a parallel-built ISE 3.x environment nobody noticed. The method: audit first, pre-stage everything, cut over with the radios.Wed, 22 Jul 2026 00:00:00 GMThttps://jaystants.com/blog/moving-45000-endpoints-to-802-1x/https://jaystants.com/blog/moving-45000-endpoints-to-802-1x/Founding a Cisco ISE initiative from scratch, the architecture decisions that carried it from a 4-node cluster to 14 nodes across five global datacenters, and the monitor-first rollout that grew into 60K+ endpoints behind 802.1X.Wed, 15 Jul 2026 00:00:00 GMT