leoboiko’s computing log

Even when working at Layer 2, ExtremeWare takes advantage of information available at other layers to establish and enforce QoS and access control policies. Layer-independence means that when an Extreme Networks product is routing or switching packets, QoS and access control decisions can still be made using criteria pulled from Layers 1–4 or from other sources.

(Source: «Extreme Networks Technical Brief: ExtremeWare Operating System»)