> # Information About 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.

> Note CIM is not supported in Cisco MDS NX-OS Release 5.2(1), but is supported in Cisco DCNM Release 5.2(1).

> 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
> - Fibre Channel Time-Out Values
> - About fctimer Distribution
> - Fabric Lock Override
> - World Wide Names
> - Link Initialization WWN Usage
> - FC ID Allocation for HBAs
> - Default Company ID List
> - Switch Interoperability
> - About Interop Mode

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