CFM PDU
E1028799
CFM PDU is a type of network message used in Ethernet connectivity fault management to monitor, detect, and diagnose faults in carrier and enterprise networks.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Connectivity Fault Management message
ⓘ
Ethernet OAM message ⓘ network protocol data unit ⓘ |
| conformsTo | IEEE 802.1Q CFM framework NERFINISHED ⓘ |
| definedIn | IEEE 802.1ag NERFINISHED ⓘ |
| enables |
on-demand fault diagnostics in Ethernet networks
ⓘ
proactive monitoring of Ethernet services ⓘ |
| hasField |
CFM header
ⓘ
EtherType ⓘ MD level ⓘ TLVs ⓘ destination MAC address ⓘ flags ⓘ opcode ⓘ source MAC address ⓘ |
| layer | data link layer ⓘ |
| operatesAt |
maintenance association level
ⓘ
maintenance domain level ⓘ |
| protocolFamily | Ethernet NERFINISHED ⓘ |
| purpose |
connectivity monitoring
ⓘ
fault detection ⓘ fault localization ⓘ fault verification ⓘ performance monitoring (with Y.1731 extensions) ⓘ |
| relatedConcept |
Operations Administration and Maintenance (OAM)
NERFINISHED
ⓘ
continuity check message (CCM) ⓘ linktrace message (LTM) ⓘ linktrace reply (LTR) ⓘ loopback message (LBM) ⓘ loopback reply (LBR) ⓘ |
| relatedTo | ITU-T Y.1731 NERFINISHED ⓘ |
| scope |
end-to-end Ethernet service paths
ⓘ
segment-level Ethernet paths ⓘ |
| supportsFunction |
alarm indication
ⓘ
continuity check ⓘ linktrace ⓘ lock reporting ⓘ loopback ⓘ remote defect indication ⓘ test signal generation ⓘ |
| transportedOver | Ethernet frames NERFINISHED ⓘ |
| triggeredBy | OAM processes in network elements ⓘ |
| usedBy |
maintenance association end points (MEPs)
ⓘ
maintenance intermediate points (MIPs) ⓘ |
| usedFor |
carrier-grade Ethernet operations
ⓘ
fault management in VLAN-based services ⓘ service-level OAM in Ethernet ⓘ |
| usedIn |
Ethernet Connectivity Fault Management
NERFINISHED
ⓘ
carrier Ethernet networks ⓘ enterprise Ethernet networks ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.