TN-SAS-IEEE8021-CFM-MIB

Description: Manages Nokia SAS IEEE 802.1ag CFM maintenance domain and MEP endpoint status.

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TN-SAS-IEEE8021-CFM-MIB is a Nokia (formerly Alcatel-Lucent) MIB for the 7210 SAS product line, extending the standard IEEE 802.1ag Connectivity Fault Management (dot1ag) MIB with Nokia-specific maintenance endpoint behavior. It exposes configuration data for Maintenance Endpoint (MEP) extensions, such as SAP tag control and whether a MEP sends an Alarm Indication Signal (AIS) automatically when its port goes down. Its monitoring role is fault-oriented software status: it lets operators confirm whether Ethernet OAM fault propagation (AIS-on-port-down) is correctly configured, which affects how quickly downstream nodes learn about a connectivity fault. It explicitly and heavily depends on the standard IEEE8021-CFM-MIB and the underlying IEEE 802.1ag standard, of which it is an extension. It is deployed on Nokia 7210 SAS routers/switches in carrier Ethernet networks using CFM for service-level fault detection. Network engineers evaluating or troubleshooting this functionality can download the TN-SAS-IEEE8021-CFM-MIB file directly to load it into their MIB browser.

An operator would check tnDot1agCfmMepExtnTable's tnDot1agCfmMepSendAisOnPortDown for a given MEP to confirm AIS generation is enabled, so a physical port failure correctly triggers an AIS alarm propagated to maintenance points downstream. tnDot1agCfmMepControlSapTag would be checked to confirm SAP VLAN tag handling matches the service configuration after a service turn-up. Because this MIB only extends configuration behavior of existing dot1ag MEPs, fault state itself (MEP up/down) would still be read from the base IEEE8021-CFM-MIB tables, not from this extension alone.

Extends IEEE 802.1ag Connectivity Fault Management (CFM) for Nokia 7210 products, providing MEP configuration and fault monitoring for network service availability.