BpduTcn¶

Namespace: inet

class BpduTcn

(no description)

Inheritance diagram¶

Extends¶

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

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
chunkLength
protocolIdentifier
protocolVersionIdentifier
bpduType		Topology Change Notification BPDU

Properties¶

Name	Value	Description
beforeChange	handleChange()
descriptor	readonly
existingClass
packetData

Source code¶

class BpduTcn extends BpduBase
{
    chunkLength = B(4);
    protocolIdentifier = SPANNING_TREE_PROTOCOL;
    protocolVersionIdentifier = SPANNING_TREE;
    bpduType = BPDU_TCN;                            // Topology Change Notification BPDU
}

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