GDCMACRO-MIB

General DataComm macro MIB providing reusable object definitions and common macro structures for GDC products.

GDCMACRO-MIB is a foundational macro/definitions MIB from General DataComm (GDC), a legacy manufacturer of WAN access, multiplexing, and modem equipment, providing reusable object-type macros and common structural definitions used across GDC's other proprietary MIB modules. It establishes the "gdc" enterprise OID root and shared macro constructs rather than defining hardware or software status objects of its own. As such it exposes no directly pollable uptime, temperature, CPU/memory, or fault data -- those metrics reside in the specific GDC device MIBs (e.g., for their multiplexers or DSU/CSU products) that build on this macro module. Loading GDCMACRO-MIB in a MIB Browser typically reveals only the gdc enterprise OID root and macro constructs, with no pollable instances of its own. Its dependency is structural, underpinning GDC's other MIB modules by providing consistent macro definitions and the enterprise OID base. It is deployed as a compile-time prerequisite wherever legacy GDC WAN access or multiplexer equipment is managed via SNMP.

The only object present, gdc, is the enterprise OID root under which General DataComm's product MIBs are registered; the module itself defines macros rather than runtime data. There is no realistic monitoring scenario here since this module provides no pollable instances -- actual hardware/software status would be found in GDC's product-specific MIBs that use these macros.

General DataComm enterprise MIB defining common macros and textual conventions for GDC modem and data communications equipment.