Bgp

simple module

Implements BGP Version 4 routing protocol.

The bgpConfig parameter can specify an XML file describing the configuration of all BGP routers and their interfaces in the network.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Parameters

Name	Type	Default value	Description
interfaceTableModule	string
routingTableModule	string
ospfRoutingModule	string
startupTime	double	0s	delay before starting BGP
bgpConfig	xml
ExternalPeerStartDelayOffset	double	0.5s
redistributeRip	bool	false	redistribute routes learned by RIP into BGP
redistributeOspf	string	""	redistribute routes learned by OSPF into BGP (O IA E1 E2)
redistributeInternal	bool	false	redistribute BGP routes into OSPF (as external routes)
nextHopSelf	bool	false
localPreference	int	100
connectedCheck	bool	true
ebgpMultihop	int	1

Properties

Name	Value	Description
display	i=block/network2
selfMessageKinds	inet::bgp::BgpSelfMsgKind

Gates

Name	Direction	Size	Description
socketIn	input
socketOut	output

Scheduled messages (observed)

msg	kind	msgname	context
omnetpp::cMessage	81 (BgpSelfMsgKind::START_EVENT_KIND)	BGP Start	filled
omnetpp::cMessage	82 (BgpSelfMsgKind::CONNECT_RETRY_KIND)	BGP Connect Retry	filled
omnetpp::cMessage	83 (BgpSelfMsgKind::HOLD_TIME_KIND)	BGP Hold Timer	filled
omnetpp::cMessage	89 (BgpSelfMsgKind::KEEP_ALIVE_KIND)	BGP Keep Alive Timer	filled

Direct method calls (observed)

call to	function	info
MessageDispatcher	inet::MessageDispatcher::arrived	arrived
Ipv4RoutingTable	inet::Ipv4RoutingTable::addRoute	addRoute(...)
Ipv4RoutingTable	inet::Ipv4RoutingTable::deleteRoute	deleteRoute(...)
Ipv4RoutingTable	inet::Ipv4RoutingTable::getInterfaceForDestAddr	getInterfaceForDestAddr(%u.%u.%u.%u)
Ospfv2	inet::ospfv2::Ospfv2::checkExternalRoute	checkExternalRoute
Ospfv2	inet::ospfv2::Ospfv2::insertExternalRoute	insertExternalRoute

Incoming messages (observed)

gate	msg	kind	ctrl	srcModule	tags
socketIn	Indication	3 (TcpStatusInd::TCP_I_AVAILABLE)	TcpAvailableInfo	MessageChecker	SocketInd
socketIn	Indication	3 (TcpStatusInd::TCP_I_AVAILABLE)	TcpAvailableInfo	Tcp	SocketInd
socketIn	Indication	4 (TcpStatusInd::TCP_I_ESTABLISHED)	TcpConnectInfo	MessageChecker	SocketInd
socketIn	Indication	4 (TcpStatusInd::TCP_I_ESTABLISHED)	TcpConnectInfo	Tcp	SocketInd
socketIn	Indication	6 (TcpStatusInd::TCP_I_CLOSED)	TcpCommand	MessageChecker	SocketInd
socketIn	Indication	6 (TcpStatusInd::TCP_I_CLOSED)	TcpCommand	Tcp	SocketInd
socketIn	Indication	8 (TcpStatusInd::TCP_I_CONNECTION_RESET)	TcpCommand	MessageChecker	SocketInd
socketIn	Indication	8 (TcpStatusInd::TCP_I_CONNECTION_RESET)	TcpCommand	Tcp	SocketInd
socketIn	Packet	1 (TcpStatusInd::TCP_I_DATA)		MessageChecker	SocketInd
socketIn	Packet	1 (TcpStatusInd::TCP_I_DATA)		Tcp	SocketInd

Outgoing messages (observed)

gate	msg	kind	ctrl	destModule	tags
socketOut	Packet	4 (TcpCommandCode::TCP_C_SEND)		MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Packet	4 (TcpCommandCode::TCP_C_SEND)		Tcp	DispatchProtocolReq, SocketReq
socketOut	Request	1 (TcpCommandCode::TCP_C_OPEN_ACTIVE)	TcpOpenCommand	MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Request	1 (TcpCommandCode::TCP_C_OPEN_ACTIVE)	TcpOpenCommand	Tcp	DispatchProtocolReq, SocketReq
socketOut	Request	11 (TcpCommandCode::TCP_C_SETOPTION)	TcpSetTimeToLiveCommand	MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Request	11 (TcpCommandCode::TCP_C_SETOPTION)	TcpSetTimeToLiveCommand	Tcp	DispatchProtocolReq, SocketReq
socketOut	Request	2 (TcpCommandCode::TCP_C_OPEN_PASSIVE)	TcpOpenCommand	MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Request	2 (TcpCommandCode::TCP_C_OPEN_PASSIVE)	TcpOpenCommand	Tcp	DispatchProtocolReq, SocketReq
socketOut	Request	3 (TcpCommandCode::TCP_C_ACCEPT)	TcpAcceptCommand	MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Request	3 (TcpCommandCode::TCP_C_ACCEPT)	TcpAcceptCommand	Tcp	DispatchProtocolReq, SocketReq
socketOut	Request	6 (TcpCommandCode::TCP_C_ABORT)	TcpCommand	MessageChecker	DispatchProtocolReq, SocketReq
socketOut	Request	6 (TcpCommandCode::TCP_C_ABORT)	TcpCommand	Tcp	DispatchProtocolReq, SocketReq

Packet operations (observed)

chunkType	packetAction
	peekData
BgpKeepAliveMessage	insertAtFront
BgpOpenMessage	insertAtFront
BgpUpdateMessage	insertAtFront

Shared Tagging operations (observed)

tagType	tagAction
DispatchProtocolReq	addTagIfAbsent
SocketInd	findTag, getTag
SocketReq	addTagIfAbsent

Tagging operations (observed)

tagType	tagAction
inet::Ipv4InterfaceData	getTag

Source code

//
// Implements BGP Version 4 routing protocol.
//
// The bgpConfig parameter can specify an XML file describing the
// configuration of all BGP routers and their interfaces in the network.
//
//# TODO config file!
//
simple Bgp like IBgp
{
    parameters:
        string interfaceTableModule;
        string routingTableModule;
        string ospfRoutingModule;
        volatile double startupTime @unit(s) = default(0s); // delay before starting BGP
        xml bgpConfig;
        double ExternalPeerStartDelayOffset @unit(s) = default(0.5s);
        bool redistributeRip = default(false);        // redistribute routes learned by RIP into BGP
        string redistributeOspf = default("");        // redistribute routes learned by OSPF into BGP (O IA E1 E2)
        bool redistributeInternal = default(false);   // redistribute BGP routes into OSPF (as external routes)
        bool nextHopSelf = default(false);
        int localPreference = default(100);
        bool connectedCheck = default(true);
        int ebgpMultihop = default(1);
        @display("i=block/network2");
        @selfMessageKinds(inet::bgp::BgpSelfMsgKind);
    gates:
        input socketIn @messageKinds(inet::TcpStatusInd);
        output socketOut @messageKinds(inet::TcpCommandCode);
}

File: src/inet/routing/bgpv4/Bgp.ned