cisco IOS XE 16.12.1 — Cisco IOS XE 16.12.1: MACsec as a Service Validation Guide PDF (EN)

(EVCs) allow us to leverage existing 802.1q VLAN tags in a brand new way. Traditionally the VLAN tag defined both classification (which VLAN) and forwarding (which CAM table to do a MAC lookup in). Now, with EVCs we can separate these concepts; the VLAN tag is used for classification and the Service Instance defines the forwarding action. This solution combines the two technologies to permit forwarding across the network Author: Afroz Dalal - Customer delivery Engineer, Hitesh Maisheri - Development Engineer Reviewers: Jason Yang - Technical Marketing Engineer