A new Cisco IOS Software package for Cisco Catalyst 4500 Series Switches was introduced in Cisco
IOS Software Release 12.2(25)SG. It is a new foundation for features and functionality and provides
consistency across all Cisco Catalyst switches. The new Cisco IOS Software release train is designated
as 12.2SG.

Prior Cisco Catalyst 4500 Series Cisco IOS Software images for the Cisco Catalyst 4500 Series
Switches, formerly known as Basic Layer 3 and Enhanced Layer 3, now map to IP Base and Enterprise
Services, respectively. BGP is now included in the Enterprise Services image. All currently shipping
Cisco Catalyst 4500 software features based on Cisco IOS Software are supported in the IP Base image
of Release 12.2(40)SG, with a few exceptions.

The IP Base image does not support enhanced routing features such as NSF/SSO, BGP, EIGRP,
EIGRPv6, OSPF, OSPFv3, IS-IS, Internetwork Packet Exchange (IPX), AppleTalk, VRF-lite, and
Policy-Based Routing (PBR). The IP Base image supports EIGRP-Stub for limited routing on Supervisor
Engines II-Plus, II-Plus-TS, II-Plus-10GE, IV, V, V-10GE, and 6-E.

The Enterprise Services image supports all Cisco Catalyst 4500 Series software features based on Cisco
IOS Software, including enhanced routing. Customers planning to enable BGP for Supervisor Engine
IV, V, or V-10GE will no longer need to purchase a separate BGP license (FR-IRC4) because BGP is
included in the Enterprise Services package.

Orderable Product Numbers:

•

S45IPB-12240SG—Cisco IOS software for the Catalyst 4500 Series Supervisor Engines II-Plus,
II-Plus-TS, II-Plus-10GE, IV, V, and V-10GE (IP Base image, without Crypto) (cat4500-ipbase-mz)

•

S45IPBK9-12240SG—Cisco IOS software for the Catalyst 4500 Series Supervisor Engines II-Plus,
II-Plus-TS, II-Plus-10GE, IV, V, and V-10GE (IP Base image with Triple Data Encryption Standard
(3DES)) (cat4500-ipbasek9-mz)

•

S45ES-12240SG—Cisco IOS software for the Catalyst 4500 Series Supervisor Engines IV, V, and
V-10GE (Enterprise Services image with BGP support, without Crypto) (cat4500-entservices-mz)

•

S45ESK9-12240SG—Cisco IOS software for the Catalyst 4500 Series Supervisor Engines IV, V,
and V-10GE (Enterprise Services image with 3DES and BGP support) (cat4500-entservicesk9-mz)

•

S45EIPB-12240SG—Cisco IOS software for the Catalyst 4500 Series Supervisor Engine 6-E (IP
Base Image)