HUAWEI-APS-MIB

Description: Huawei Automatic Protection Switching MIB for managing linear APS groups and protection switching on SDH/SONET and optical transport interfaces.

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This is a Huawei private MIB for Automatic Protection Switching (APS), a feature used on SDH/SONET and optical transport interfaces to provide sub-50ms failover between working and protection paths. It exposes configuration data for linear (Class-based) APS groups alongside operational state objects reflecting the current protection-switching status of each group. This is directly useful for monitoring hardware/link status: administrators can confirm whether a protection group is running on its working or protection path, revealing an optical/SDH link failure the moment a switchover occurs. Since APS operates over SDH/SONET transport, this MIB likely complements standard SONET/SDH interface MIBs for the underlying physical-layer data. It is typically deployed in carrier/service-provider optical transport networks using Huawei SDH/SONET/OTN equipment requiring resilient linear protection switching. Engineers can download the HUAWEI-APS-MIB file directly to load it into their MIB browser.

No sample objects were provided for this module, so precise object-level polling details cannot be cited from source data. Typically an administrator would poll a linear APS group's current active path (working versus protection) and switch-request state to detect when a switchover has occurred, with an unexpected or frequent switch to the protection path indicating a failing working-path optical link.

Manages Automatic Protection Switching configuration and monitoring on Huawei routers.