A minimum of 128MB DRAM is generally required for stable operation of the IP Services feature set on IOS 15.
Advanced Access Control Lists (ACLs) and sophisticated Quality of Service (QoS) mechanisms to prioritize voice and video traffic. c3560ipservicesk9mz1502se11bin upd
Supports standard 3560, 3560G, and 3560V2 series switches. Upgrade Procedure (Step-by-Step) A minimum of 128MB DRAM is generally required