Cisco IOS Image: c3560-ipservicesk9-mz.150-2.SE11.bin The is the specific Cisco IOS Software binary image designed for the Cisco Catalyst 3560 Series of fixed-configuration enterprise switches.
: Specifies the IP Services feature set. This provides enterprise-level Layer 3 routing protocols and high-security capabilities (the "k9" designates strong cryptographic features like SSH and HTTPS).
The ( ipservicesk9 ) software image unlocks full enterprise Layer 3 functionality, expanding beyond the limited capabilities of the standard IP Base ( ipbasek9 ) image: Routing & Protocol Support IP Base ( ipbasek9 ) IP Services ( ipservicesk9 ) Static Routing & RIP EIGRP Stub Routing Only Full EIGRP Routing OSPF Not Supported Full OSPF Routing BGP Not Supported Full BGP Support Policy-Based Routing (PBR) Not Supported VRF-Lite Not Supported Multicast Routing (PIM) Not Supported Yes (SM, DM, SDM) Hardware Compatibility & Prerequisites