BpduBase

class

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

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the 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
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
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
chunkLength	b
rawBin	string[]
rawHex	string[]
tags	RegionTagSet::cObjectRegionTag[]

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