SHASTA-MIB

Description: Manages Nortel Shasta IP services BRAS subscriber sessions, policy enforcement, and QoS parameters.

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SHASTA-MIB, per its extracted module description, is the top-level Structure of Management Information module for the Shasta Networks enterprise (Shasta Networks was acquired by Nortel and its IP Services Switch became the basis of Nortel's BRAS/subscriber-management product line). Only the enterprise OID-root text was present in this extract, so it appears to function as the SMI/naming module underpinning the broader Shasta/Nortel subscriber-management MIB suite rather than defining the runtime subscriber-session, policy, or QoS objects itself. Where those companion MIBs are loaded, the suite as a whole is used to monitor BRAS hardware and software status — subscriber session counts, policy/QoS enforcement state, and system health — but that data isn't represented in this module's extract. It is a foundational dependency for the rest of the Shasta/Nortel BRAS MIB family, which registers its object identifiers under the arc this module defines. It would be loaded alongside those companion MIBs when managing a Nortel/Shasta IP Services Switch (BRAS) in a broadband subscriber-access network, where SHASTA-MIB SNMP monitoring forms the foundational OID root beneath the full Nortel/Shasta BRAS management suite.

This extract shows only the enterprise SMI/OID-root definition, with no runtime objects sampled, so a concrete polling scenario can't be built from it; in practice, the companion Shasta/Nortel BRAS MIBs that register under this enterprise arc are what an operator would poll for live subscriber-session, policy, and QoS status.

Nortel Shasta Networks IP Services root MIB defining enterprise management structure.