HUAWEI-FWD-RES-TRAP-MIB

Description: Huawei forwarding resource trap MIB defining notifications for forwarding table resource exhaustion and hardware forwarding capacity threshold alerts.

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HUAWEI-FWD-RES-TRAP-MIB is a Huawei enterprise MIB dedicated to notifications (traps) for forwarding-engine resource exhaustion, alerting when hardware forwarding tables — such as FIB, ARP, or MAC address tables — approach or exceed their hardware capacity limits. It exposes trap definitions rather than a large set of gettable data objects, since its stated purpose is alarm information for forwarding engine resource overload. Its monitoring role is entirely fault/hardware-capacity oriented: it warns an operator in near real time when the switch/router's forwarding hardware resources are being exhausted, which can cause dropped or mis-forwarded traffic if not addressed. It depends on Huawei's broader forwarding-engine/hardware-resource MIB framework for the underlying resource being reported. It is deployed on Huawei carrier and enterprise routers/switches with fixed-capacity forwarding hardware, where operators need proactive alerts before a resource limit causes traffic-affecting failures, which is exactly the role the HUAWEI-FWD-RES-TRAP-MIB MIB fills.

This module is primarily a notification/trap definition module for forwarding-resource alarms rather than a source of pollable runtime data, so a typical realistic scenario is to subscribe to its traps and receive an alert when the forwarding engine's table utilization (e.g., FIB or MAC table) crosses a configured overload threshold, prompting the admin to investigate route/MAC table growth before packets begin to drop.

Forwarding engine resource overload alarms and traps for HUAWEI devices, including TCAM exhaustion and packet buffer conditions.