CfmContinuityCheckMessage¶

Namespace: inet

class CfmContinuityCheckMessage

Protocol header for the Continuity Check protocol (CC), which is a fundamental component of CFM.

NOTE: Fields not used by the simulation are omitted.

Inheritance diagram¶

Extends¶

Name	Type	Description
CfmMessage	class	Base header for the Connectivity Fault Management (CFM) protocol suite for managing connectivity at the Ethernet service level. CFM is defined within the IEEE Std 802.1Q-2018 standard, later IEEE 802.1ag and ITU Y.1731.

Fields¶

Name	Type	Description
id	int
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
chunkLength	b
rawBin	string[]
rawHex	string[]
regionTags	SharingRegionTagSet::TagBaseRegionTag[]
mdLevel	uint8_t
opCode	uint8_t
flags	uint8_t	RDI 1 bit, Traffic 1 bit, Reserved 3 bit, CCM interval 3 bit
chunkLength
opCode		CCM
sequenceNumber	uint32_t
endpointIdentifier	uint16_t	MEP ID
messageName	string	max 45 Bytes

Properties¶

Name	Value	Description
beforeChange	handleChange()
descriptor	readonly
existingClass
packetData

Source code¶

//
// Protocol header for the Continuity Check protocol (CC), which is a fundamental
// component of CFM.
//
// NOTE: Fields not used by the simulation are omitted.
//
class CfmContinuityCheckMessage extends CfmMessage {
    chunkLength = B(75);
    opCode = 1;  // CCM
    uint32_t sequenceNumber = 0;
    uint16_t endpointIdentifier = 1; // MEP ID
    string messageName; // max 45 Bytes
}

File: src/inet/linklayer/mrp/CfmContinuityCheckMessage.msg