C++ definition

Provides a mechanism to test network layer connectivity using echo request/response messages similar to those of ICMP.

Inheritance diagram

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

Used in compound modules

Name	Type	Description
NextHopNetworkLayer	compound module	Provides a network layer for the next hop forwarding.
SimpleNetworkLayer	compound module	Provides a simple network layer.
WiseRouteNetworkLayer	compound module	Provides a simple network layer.

Extends

Name	Type	Description
SimpleModule	simple module	Base module for all INET simple modules.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	""	Determines the text that is written on top of the submodule, supports displaying pars, watches, and module-specific information

Properties

Name	Value	Description
class	EchoProtocol
display	i=block/control

Gates

Name	Direction	Size	Description
ipIn	input
ipOut	output

Source code

//
// Provides a mechanism to test network layer connectivity
// using echo request/response messages similar to those of ICMP.
//
simple EchoProtocol extends SimpleModule
{
    parameters:
        @class(EchoProtocol);
        @display("i=block/control");
    gates:
        input ipIn;
        output ipOut;
}

File: src/inet/networklayer/common/EchoProtocol.ned

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