CHAPTER
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37-1
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
37
Advanced Features and Concepts
This chapter describes the advanced features provided in switches in the Cisco MDS 9000 Family. It
includes the following sections:
• Common Information Model, page 37-1
• Fibre Channel Time Out Values, page 37-2
• World Wide Names, page 37-5
• FC ID Allocation for HBAs, page 37-7
• Switch Interoperability, page 37-8
• Default Settings, page 37-13
Common Information Model
Common Information Model (CIM) is an object-oriented information model that extends the existing
standards for describing management information in a network/enterprise environment.
CIM messages are independent of platform and implementation because they are encoded in N
Extensible Markup Language (XML). CIM consists of a specification and a schema. The specification
defines the syntax and rules for describing management data and integrating with other management
models. The schema provides the actual model descriptions for systems, applications, networks, and
devices.
For more information about CIM, refer to the specification available through the Distributed
Management Task Force (DMTF) website at the following URL:
http://www.dmtf.org/
For further information about Cisco MDS 9000 Family support for CIM servers, refer to the Cisco MDS
9000 Family CIM Programming Reference Guide.
A CIM client is required to access the CIM server. The client can be any client that supports CIM.
SSL Certificate Requirements and Format
To limit access to the CIM server to authorized clients, you can enable the HTTPS transport protocol
between the CIM server and client. On the switch side, this requires that you install a Secure Socket
Library (SSL) certificate generated on the client and enable the HTTPS server. Certificates may be
generated using third party tools such as 'openssl' (available for UNIX, Mac and Windows) and may be
certified by a CA or self signed.
The SSL certificate that you install on the switch must meet the following requirements:
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