Illustrated TCP/IP Illustrated TCP/IP
by Matthew G. Naugle
Wiley Computer Publishing, John Wiley & Sons, Inc.
ISBN: 0471196568   Pub Date: 11/01/98
  

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Chapter 344
Management Information Base (MIB)

The MIB is a collection of objects that contain specific information that together form a group. You can think of a MIB as a database that contains certain information that was either preset (during configuration of the node) or was gathered by the agent and placed into the MIB. Simply stated, the MIB is a database that contains information about the client that is currently placed on it.

The structure of management information is defined in RFC 1155 and defines the format of the MIB objects. This includes the following:

Management Information Base (MIB)

  Collection of objects that contain specific information that together form a group.
  Structure of Management Information is specified in RFC 1155.
  The objects contain the following:
  Syntax
  Access
  Status
  Description
  Index
  DefVal
  Value notation

Syntax Required. The abstract notation for the object type. This defines the data type that models the object.
Access Required. Defines the minimal level of support required for the object types. Must be one of read-only, read-write, write-only, or not accessible.
Status Required. The status of the MIB entry. Can be mandatory, optional, obsolete, or deprecated (removed).
Description Optional. A text description of the object type.
Index Present only if the object type corresponds to a row in a table.
DefVal Optional. Defines a default value that may be assigned to the object when a new instance is created by an agent.
Value Notation The name of the object, which is an Object Identifier.


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