Namespace inet

EigrpMessage

class

General structure of EIGRP message with header

Extends

Name	Type	Description
FieldsChunk	(unknown -- not in documented files)

Fields

Name	Type	Description
chunkLength
version	char	Version of EIGRP header
opcode	int8_t	Type of message
init	bool	flags
cr	bool	Conditionally Received
rs	bool	Reset
eot	bool	End of table
seqNum	int	Sequence number
ackNum	int	Acknowledgement number
vrid	uint16_t	Virtual Router ID
asNum	uint16_t	Autonomous system number

Packet operations (observed)

action	module
peekAtFront	EigrpRtp, EigrpRtp6, EigrpIpv4Pdm, EigrpIpv6Pdm

Source code

// General structure of EIGRP message with header
class EigrpMessage extends FieldsChunk
{
    chunkLength = B(4);
    char version = 2;   // Version of EIGRP header
    int8_t opcode;      // Type of message
    // flags
    bool init;          // Initialization - establishment of neighborship
    bool cr;            // Conditionally Received
    bool rs;            // Reset
    bool eot;           // End of table

    int seqNum;         // Sequence number
    int ackNum;         // Acknowledgement number
    uint16_t vrid;      // Virtual Router ID
    uint16_t asNum;     // Autonomous system number
}

// EIGRP Hello message

File: src/inet/routing/eigrp/messages/EigrpMessage.msg