Catalyst 9800 – Cisco’s newest Wireless Controller Architecture The Catalyst 9800 Wireless Controller is an exciting beast.  It is based on IOS-XE, rather than the traditional Cisco direction of releasing controllers running AireOS (from the Airespace acquisition almost 15 years ago!).  I know what you’re thinking…  The horrible 5760 was also based on IOS-XE!  Fear not, […]