RBN-IP-BIND-MIB

Description: Manages binding of IP addresses to circuits and contexts on Redback SmartEdge BRAS subscriber interfaces.

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RBN-IP-BIND-MIB is a Redback/Ericsson SmartEdge enterprise MIB that models the binding of IP addresses and interfaces to underlying physical ports and circuits, tying subscriber-facing IP interfaces back to the IF-MIB ifIndex representation used on the BRAS. It exposes configuration/relationship data: for each bound circuit it records the circuit handle, the associated ifIndex and hierarchical ifIndex, a human-readable circuit description, and the routing context (VRF-like) name the binding belongs to. This is used less for hardware health and more for software/configuration state monitoring: verifying that subscriber or service interfaces are correctly bound to the expected physical port/circuit and context, which is essential for troubleshooting misrouted traffic or subscriber sessions that fail to come up. It builds directly on top of the standard IF-MIB, cross-referencing ifIndex values defined there. It is deployed on Redback/Ericsson SmartEdge BRAS platforms terminating large numbers of broadband subscriber circuits where IP-to-circuit binding needs to be verified per context. Engineers can download the RBN-IP-BIND-MIB file directly to load it into their MIB browser.

An operator can walk rbnIpBindTable/rbnIpBindEntry and correlate rbnIpBindCircuitHandle with rbnIpBindIfIndex and rbnIpBindHierarchicalIfIndex to confirm that a specific subscriber circuit (identified by rbnIpBindCircuitDescr) is bound into the correct rbnIpBindContextName (routing context/VRF). If a subscriber's IP session is not passing traffic, the admin checks this table to see whether the binding row is missing or points to the wrong ifIndex/context, indicating a provisioning or circuit-mapping fault rather than a physical link failure.

Monitors IP interface bindings to physical ports and circuit encapsulation layers on RedBack Networks routers.