An extension to the Cisco ATM MIB module for managing ATM implementations. Acronyms and terms used in the MIB module: AAL5 -- ATM adaptation layer 5. AIS -- Alarm Indication Signal. CC -- Continuity Check. End-to-end -- End-to-end continuity checking. Monitoring occurs on the entire VC between two ATM end stations. F5 OAM -- OAM information flow between network elements (NEs) used within virtual connections to report degraded virtual channel performance. OAM -- Operations, Administration and Maintenance. RDI -- Remote Detection Indication. Segment -- Segment continuity checking. Monitoring occurs on a VC segment between a router and a first-hop ATM switch. VC -- Virtual Channel. VCC -- Virtual Channel Connection. VCL -- Virtual Channel Link.