HH3C-MINM-MIB

Description: Manages H3C Multicast IN Multicast (MINM) tunneling for delivering multicast over unicast network paths.

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HH3C-MINM-MIB implements the 802.1ah MAC-in-MAC (Provider Backbone Bridge) tunneling model on H3C carrier-class Ethernet switches, letting customer traffic be encapsulated in a backbone MAC header for transport across a service-provider network. It exposes Virtual Switch Instance (VSI) configuration, backbone MAC (B-MAC) and backbone VLAN (B-VLAN) settings, uplink port associations, and per-connection tunnel mappings. Its monitoring value is largely configuration- and connectivity-oriented: verifying VSI, uplink, and connection table entries are correctly provisioned and active, which surfaces tunnel setup failures or link-ID exhaustion that would otherwise silently drop encapsulated customer traffic. It is a vendor implementation of the IEEE 802.1ah standard and depends on the underlying bridging/VLAN MIB framework (dot1dBridge/Q-BRIDGE) for its base Ethernet switching model. It is deployed on H3C metro/carrier Ethernet switches used by service providers to aggregate and transport multiple customers' traffic over a shared backbone, and operators commonly open an HH3C-MINM-MIB MIB Browser session to review the tunneling object tree during initial provisioning.

An operator would poll hh3cMinmVsiTable entries such as hh3cMinmVsiBvlan and hh3cMinmVsiReEncapsulation to confirm a customer's VSI is correctly bound to its backbone VLAN, and check hh3cMinmUplinkTable/hh3cMinmUplinkRowStatus to verify uplink ports are active. Watching hh3cMinmVsiNextAvailableLinkId trend toward zero across hh3cMinmConnectionTable entries would warn of link-ID exhaustion before new customer tunnels can no longer be provisioned.

Management Information Base for 802.1ah MAC-in-MAC (Provider Backbone Bridging) on H3C networking devices. Defines objects for managing provider bridges, customer tags, and backbone network parameters.