ADVA-FSPR7-CFM-EXTENSION-MIB

Description: Extends IEEE 802.1ag CFM management for ADVA Optical Networking FSP R7 carrier Ethernet OAM functionality.

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ADVA-FSPR7-CFM-EXTENSION-MIB extends IEEE 802.1ag Connectivity Fault Management (CFM) support on ADVA Optical Networking's FSP R7 carrier Ethernet platform, adding ADVA-specific alarm-severity configuration and alarm-state objects layered on top of standard CFM maintenance-endpoint (MEP) constructs. It exposes both configuration data -- per-MEP alarm severity assignment (indexed by maintenance domain, maintenance association, and MEP identifier) -- and current alarm/fault state for those MEPs. Its monitoring value is squarely in fault monitoring: it lets an administrator see which CFM alarms (e.g. loss of continuity, remote defect indication) are currently active on a given MEP and at what configured severity, which is central to detecting Ethernet OAM connectivity faults on carrier Ethernet services. It has a clear dependency on the IEEE 802.1ag CFM standard and the associated standard CFM MIB, whose MD/MA/MEP indexing scheme it reuses and extends with ADVA-specific alarm objects. It is deployed on ADVA FSP R7-series carrier Ethernet network elements used by service providers for Ethernet OAM and SLA fault monitoring. Engineers can download the ADVA-FSPR7-CFM-EXTENSION-MIB file directly to load it into their MIB browser.

An administrator would poll mepAlarmSeverityTable/mepAlarmSeverityEntry (indexed by mepAlarmSeverityMdIndex, mepAlarmSeverityMaNetIndex, mepAlarmSeverityMepIdentifier) to confirm the configured mepAlarmSeverityType/mepAlarmSeverityValue for a given maintenance endpoint, and would check mepAlarmTable/mepAlarmEntry for the same MEP to see if an alarm is currently active. A MEP reporting an active alarm entry when its severity is configured as critical would indicate a real connectivity fault (e.g. loss of continuity) on that carrier Ethernet service requiring immediate attention, while cfmAlarms/cfmAlarmObjects would be used to correlate module-wide alarm notifications.

ADVA FSP7000 Ethernet CFM extension for managing connectivity fault management alarms and severity.