OPNET is a company the develops network simulation and analysis software. They offer a free academic version of IT Guru. SIIT also has a single user license for the full version of OPNET Modeler. Here you can find a collection of my resources for using OPNET software.

Usually I will use OPNET to refer to OPNET Modeler software, and IT Guru for the free OPNET IT Guru Academic Edition. A short description of the differences between Modeler and IT Guru is available.

OPNET IT Guru Academic Edition. Download free OPNET IT Guru Academic Edition 9.1.1 OPNET Network simulator is a tool to simulate the behavior and performance of any type of network. The main difference Opnet Network Simulator comparing to other simulators lies in its power and versatility. IT Guru provides pre-built models of protocols and devices. OPNET Network simulator is a tool to simulate the behavior and performance of any type of network. The main difference Opnet Network Simulator comparing to other simulators lies in its power and versatility. IT Guru provides pre-built models of protocols and devices. It allows you to create and simulation different network topologies. OPNET Modeler- accelerates the R&D processfor analyzing and designing communication networks, devices,protocols, and applications. Users can analyze simulated networksto compare the impact of different technology designs on end-to-endbehavior. Modeler incorporates a broad suite of protocols andtechnologies, and includes a development environment to enablemodeling of all network types. It is the successor to the popular ns-2 simulator. The tool is written in c / python, but I manage to get by using mostly only c (as opposed to ns-2 which uses c/c and tcl). One major difference between ns-3 and ns-2 is that this version has been designed for wireless network simulation from the ground up. Version of the simulator OPNET modeler does not support LTE. I have opnet 16 without licence or crack and I don´t know how to find OPNET 16 licence or crack. I know that it is a commercial product but I just want to use it only for my researches.

Documentation and Help

Getting Started

Some guides on getting started with OPNET software.

• Demo of creating model in IT Guru (used for ITS413)

Workshop

I have given several presentations introducing OPNET to selected students/researchers. With the support of TRIDI and PSU, I have prepared a workshop on Introduction to OPNET Modeler. The workshop material includes:

• PDF Slides. Available as a printable, black and white, 4 slides per page handout, or in full colour presentation style separated by topic:
• Example models. The following models (as well as some of example networks included in OPNET) were used during the workshop to demonstrate key concepts:
  1. Ethernet/WLAN project was developed by the participants during parts 2 and 3 of the workshop.
  2. Sensor Network project was used in part 4 to demonstrate how process models work.
  3. Wireless Mesh Network and WLAN Hotspot projects were used to demonstrate different OPNET capabilies throughout the workshop.

Howtos

Instructions on using specific features of OPNET software.

Models

All OPNET Modeler projects available below unpack into their own directory. That is, if you save the file in your op_models directory as file.project.tgz and then extract, a new directory file.project will be created with the project files inside. For node and process models, a subdirectory is not created. The necessary files would be extract to the op_models directory. Be careful you don't overwrite any of your existing files.

Note that some models required a password to download. Please contact me if you've forgotten the password.

OPNET Modeler

Ethernet/WLAN project

Several scenarios with a small switched Ethernet network with 2 PCs and a server, connected to a IEEE 802.11 wireless LAN with 2 laptops and an AP. The scenarios differ based on the application traffic used. One scenario includes an application demand. In addition there are scenarios for a 4 host ad hoc wireless LAN. This demonstrates the use of promoting node attributes to global input attributes so the traffic generation rate can be set as a simulation parameter, i.e. multiple simulations run at once.
Download: Project (OPNET Modeler 16.0)

Sensor Network project

Based on the Sensor Network project provided by OPNET in one of their tutorials, this project models a sensor network with multiple sensors sending periodic updates to a central controller. This project is used to demonstrate process models. The original project requires minor code edits to make it work; the reference project contains those necessary code edits. In addition, there are the separate node models.
Download: Original Project | Reference Project | Nodes

Wireless Mesh Network

A simple model of several IEEE 802.11 nodes in a MANET to demonstrate a wireless mesh network. There is also a Zigbee network with several end devices and a Zigbee router. Wireless LAN hosts are running web, file transfer and video applications. This project also demonstrates use of custom icons on nodes. The icons used in the project, as well as others, are available for download. You may need to update your OPNET path for icons for the custom icons to be displayed.
Download: Project (OPNET Modeler 16.0) | Icons

WLAN Hotspot

Based on the OPNET provided WLAN example network, this model includes a set of subnets modelling different sites (hotspots) across Bangkok area. Each site has some wireless hosts and AP. Demonstrates wireless LAN as well as using maps.
Download: Project (OPNET Modeler 16.0)

Ethernet Packet Generation

Example of packet generation using simple source/sink (rather than applications) in an Ethernet network. Also illustrates the promotion of attributes to global level so they can be set as simulation parameters.
Download: Project (OPNET Modeler 16.0)

IT Guru

WLAN Simple project

ITS413_WLAN_Simple: zip | rar (used in ITS413 in 2008; may not be relevant for other years/courses)

Client/Server project

Demo Client Server model. ITS413_Demo: zip | rar

Opnet software, free download

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