A minimum of 128MB DRAM is generally required for stable operation of the IP Services feature set on IOS 15.
As a late-stage maintenance release, 15.0(2)SE11 addresses critical bugs and security vulnerabilities found in earlier versions like 12.2(55). Hardware Requirements c3560ipservicesk9mz1502se11bin upd
This image typically requires 32MB of Flash . Some older 16MB models may not have enough space to store the .bin file without deleting the previous image first. A minimum of 128MB DRAM is generally required
Support for full dynamic routing protocols including OSPF, BGPv4, and Enhanced Interior Gateway Routing Protocol (EIGRP). Some older 16MB models may not have enough
The Cisco IOS image is the final maintenance release for the classic Catalyst 3560 series switches, representing the pinnacle of stability and feature density for these legendary Layer 3 devices. This specific "IP Services" image provides full enterprise-class routing capabilities, such as OSPF, BGP, and advanced EIGRP, which are not available in the "IP Base" version. Key Features and Capabilities
Comprehensive support for IP unicast and multicast routing, Policy-Based Routing (PBR), and fallback bridging.