Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(3a) (OL-17675-05 E0, March 2009)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(3a)
OL-17675-05
Introduction
• 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.