HP Cisco MDS 9020 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Rele - Page 2

Introduction Send documentation comments to mdsfeedback-doc.com. • Introduction, page 2 • Components Supported, page 3 • MDS 9000 Chassis and Module Support in Cisco MDS NX-OS 4.x, page 9 • Migrating from Supervisor-1 Modules to Supervisor-2 Modules, page 11 • Software Download Process, page 11 • Upgrading Your Cisco MDS NX-OS Software Image, page 14 • Downgrading Your Cisco MDS SAN-OS Software Image, page 28 • New Features in Cisco MDS NX-OS Release 4.1(3a), page 32 • Licensed Cisco NX-OS Software Packages, page 36 • Limitations and Restrictions, page 38 • Caveats, page 45 • Related Documentation, page 52 • Obtaining Documentation and Submitting a Service Request, page 53 Introduction The Cisco MDS 9000 Family of Multilayer Directors and Fabric Switches provides industry-leading availability, scalability, security, and management, allowing you to deploy high performance storage-area networks with lowest total cost of ownership. Layering a rich set of intelligent features onto a high performance, protocol agnostic switch fabric, the Cisco MDS 9000 Family addresses the stringent requirements of large data center storage environments: uncompromising high availability, security, scalability, ease of management, and seamless integration of new technologies. Cisco MDS 9000 NX-OS Software powers the award winning Cisco MDS 9000 Series Multilayer Switches. It is designed to create a strategic SAN platform with superior reliability, performance, scalability, and features. Formerly known as Cisco SAN-OS, Cisco MDS 9000 NX Software is fully interoperable with earlier Cisco SAN-OS versions and enhances hardware platform and module support. Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(3a) 2 OL-17675-05