CCIE

Segmentation is the entire reason most organisations buy SD-Access. Not the automation, not the roaming - the ability to say

A fabric that cannot talk to anything outside itself is a very expensive island. The border node is how an

An endpoint plugs into a port. Somehow, seconds later, it is in the right virtual network, carrying the right security

An SD-Access fabric is not a pile of switches. It is a set of roles, and every switch in

Before an SD-Access fabric can do anything clever - before LISP, before VXLAN, before a single policy - it needs one

Transport technologies fail in layers, and the art of troubleshooting them is knowing which layer to suspect. An MPLS L3VPN