3.8.1 Understanding the DM3 Extended Platform MIB

The proprietary DM3 Extended Platform (Dm3ExtPlatform) MIB module is a hardware-specific extension of the Board Identification Table (dlgHiIdentTable). This MIB contains detailed information about the configuration of hardware on Intel NetStructure boards with a DM3 architecture. This information is organized into three tables:

• Extended DM3 Board Information Table (dlgDm3ExtBrdLevelTable) - Each row in the Extended DM3 Board Information Table corresponds to a row in the Board Identification Table, so the indices of rows in the former table match indices of corresponding rows in the latter table. The Extended DM3 Board Information Table contains only configuration information that includes the following:
  • shelf ID
  • FCD configuration file name
  • PCD configuration name
  • PCD configuration version
• Extended DM3 Sub Assembly Information Table (dlgDm3ExtSubAssemblyTable) - The Extended DM3 Sub Assembly Information Table contains entries that represent board subassemblies, and each row can be mapped back to its parent board in the Extended DM3 Board Information Table. The Extended DM3 Sub Assembly Information Table contains only configuration information that includes the following:
  • subassembly type
  • serial number
  • index of parent board in the dlgDm3ExtBrdLevelTable table
• Extended DM3 Processor Information Table (dlgDm3ExtProcTable) - The Extended DM3 Processor Information Table contains rows that represent each processor on each subassembly of each board. Each entry in the Extended DM3 Processor Information Table can be mapped back to a parent subassembly in the Extended DM3 Sub Assembly Information Table. Each processor maps to a board by way of the subassembly table. The Extended DM3 Processor Information Table contains configuration and status information for each processor, and columns exist that provide the following information:
  • processor type
  • run-time kernel version
  • boot kernel version
  • operation status

In addition to its three tables, the DM3 Extended Platform (Dm3ExtPlatform) MIB module also defines a trap, dlgDm3epOperStatusChange, which is generated whenever the processor operation status value changes for a processor in the Extended DM3 Processor Information Table (dlgDm3ExtProcTable).

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