BpduBase¶

Namespace: inet

class BpduBase

Represents a BPDU (Bridge PDU) used by the STP and RSTP protocols, as defined in the 802.1D-1998 specification.

Usage diagram¶

Inheritance diagram¶

Extends¶

Name	Type	Description
FieldsChunk	class	(no description)

Known subclasses¶

Name	Type	Description
BpduCfg	class	(no description)
BpduTcn	class	(no description)

Fields¶

Name	Type	Description
id	int
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
chunkLength	b
rawBin	string[]
rawHex	string[]
regionTags	SharingRegionTagSet::TagBaseRegionTag[]
protocolIdentifier	BpduProtocolIdentifier	2 bytes, 0 for STP, 1 for RSTP (TODO use them)
protocolVersionIdentifier	BpduProtocolVersionIdentifier	1 byte, version ID, currently 0, // 3:MultipleSpanningTree
bpduType	BpduType	1 byte, 0 for Configuration BPDU, 1 for Topology Change Notification BPDU

Properties¶

Name	Value	Description
beforeChange	handleChange()
descriptor	readonly
existingClass
packetData

Source code¶

//
// Represents a BPDU (Bridge PDU) used by the STP and RSTP protocols,
// as defined in the 802.1D-1998 specification.
//
class BpduBase extends FieldsChunk
{
    BpduProtocolIdentifier protocolIdentifier = static_cast<BpduProtocolIdentifier>(-1);    // 2 bytes, 0 for STP, 1 for RSTP (TODO use them)
    BpduProtocolVersionIdentifier protocolVersionIdentifier = static_cast<BpduProtocolVersionIdentifier>(-1);    // 1 byte, version ID, currently 0, // 3:MultipleSpanningTree
    BpduType bpduType = static_cast<BpduType>(-1);    // 1 byte, 0 for Configuration BPDU, 1 for Topology Change Notification BPDU
}

File: src/inet/linklayer/ieee8021d/common/Ieee8021dBpdu.msg