While studying for Cisco Exams, practical experience is as important as theoretical knowledge. Network Simulators are cost-effective and are quite accessible to practice real-world networking scenarios without needing expensive physical hardware. Whether you’re preparing for CCNA, CCNP, or CCIE, the right network simulator can be a game-changer when it comes to mastering complex concepts and commands. In this blog, we’ll explore the best network simulators that can help you sharpen your skills and prepare you well for the Cisco exams. 

Let’s begin our journey to choose the right network simulators or emulators. You must be wondering, isn’t the title about the best Network Simulators? Then, Why Emulators? As a matter of fact, it’s not feasible to test each program individually. Therefore, someone who uses network simulator GNS3 will prefer it over CML, and vice versa.

What are Network Simulators?

Network Simulators are software tools that mimic real-world network environments. They allow you to create, configure, and test various network scenarios without the need for physical hardware. For Cisco exams, the network simulators are incredibly useful as they let you practice on virtual versions of Cisco devices. 

Why is the Network Simulator important for Cisco Exam Preparation?

You must be aware of how crucial network simulators are when you’re getting ready for Cisco exams. They provide you with hands-on experience without the hefty price tag of actual Cisco equipment. Additionally, you can make mistakes and learn from them without any real-world consequences.

 Note: Explore our world’s biggest virtual labs. Here’s a quick glimpse.

What are the key features to look for in Network Simulators?

The following are the key features that need to be taken into consideration when you choose any Network Simulator: 

1. Regular updates to keep up with the latest Cisco exam requirements. 

2. Realistic Interface that mimics actual Cisco devices.

3. Support for a wide range of Cisco protocols and technologies. 

4. User-friendly Interface for easy navigation

5. Ability to save and load configurations.

What is Cisco Packet Tracer?

Cisco Packet Tracer is a Network simulation tool developed by Cisco itself. It is designed to help students and working professionals learn about network topologies and configurations. The key features are as follows: 

• Intuitive drag-and-drop interface. 

• Support for both physical and logical network topologies.

• Simulation of IoT devices

• Multi-User functionality for collaborative learning

Let’s discuss the advantages and disadvantages of choosing Cisco Packet Tracer as a Network Simulator.

Note: Before getting into the pros and cons of cisco packet tracer I request you to just have a look at this video. This video will widen your horizon on this particular topic.

What are the advantages of Cisco Packet Tracer?

Cost-effective- create and log in to Packet Tracer with a Cisco Networking Academy account, which is free of cost.

1. Variety of devices-  Routers (ISR 1941,2901, 4321and 2911), Switches (2960, 3560, and 3650), ASA Firewalls (5505 and 5506), Meraki server, etc. 

2. Variety in connection devices-  Plenty of options for connecting entry-level network devices like crossover copper cables, fiber-optics cables, DCE or DTE serial cables, crossover console cables, etc.  

Apart from these advantages, Packet Tracer is a network simulator that makes the lab realistic, has cross-platform compatibility, and is your best friend when troubleshooting connectivity issues arise, particularly in simulation mode.

What are the disadvantages of Cisco Packet Tracer?

After knowing how Cisco Packet Tracer is performing, it could improve in the following areas: 

1. Its limitation is to Cisco Devices only 

2. It does not support all the advanced features found in real Cisco devices

3. There are no built-in Labs

4. Its bugs tend to be more visible 

Packet Tracer is an excellent network simulator for entry-level Cisco certifications like CCNA. It covers most of the topics you will need for these exams. However, for more advanced certification, you might need to look at other options.

What is Boson NetSim?

Boson Netsim is a commercial network simulator specially designed for Cisco certification preparation. The Main offerings of Boson NetSim (Network Simulator) are as follows:

• Simulations tailored to specific Cisco exams

• Built-In lab exercises and  scenarios 

• Integrated study materials

What are the advantages and disadvantages of Boson Netsim for Cisco exam preparation?

Let’s discuss first why Boson Netsim is an essential simulator:

1. Highly accurate simulations of Cisco Devices 

2. Includes practice exam questions 

3. Excellent customer support

4. After updating, Boson Netsim can be used on most modern browsers and devices, such as Linux, Windows, and Mac. 

5. NetSim’s recent features are much more instinctive and user-friendly than the Packet Tracer.

In Spite of learning about the strengths of Boson NetSim, there have been a few limitations that need to be corrected:

1. Comparatively less cost-effective 

2. Limited to Cisco devices only 

3. A limited amount of information is available when the simulated topology is running 

4. Lack of customization in network topology 

5. Can’t run actual Cisco IOS images. 

Since we have now discussed what needs to be corrected in Boson Netsim, it is evident that Netsim is compatible with most Cisco certifications, from CCNA to CCIE. They regularly update their software to match the latest exam objectives.

What is EVE-NG (Emulated Virtual Environment - Next Generation)?

EVE-NG is a comprehensive network emulation platform that supports multi-vendor environments. If we talk about how EVE-NG, as a Network Emulator, is essential, we need to look for the features it holds:

1. Web-based Interface accessible from any device

2. Support a wide range of network vendors, including Cisco

3. Allows for the creation of complex multi-node networks

Since we have discussed the advantages and disadvantages of the above-mentioned Network Simulators, let’s now dive into the strengths and limitations of the Network Emulators as well.

Strengths of EVE-NG as a Network Emulator:

1. Highly scalable and flexible 

2. Supports both GUI and CLI interfaces 

3. Can integrate with external tools like Wireshark

Limitations of EVE-NG as a Network Emulator:

1. Community edition has limited features 

2. Requires significant system resources for large simulations

3. It can be complex to set up initially

Note:  Now, since we know what are the strengths and limitations of EVE-NG, Let see how its  installations works.

What are the ideal scenarios for using EVE-NG in Cisco Studies?

EVE-NG shines when you’re preparing for advanced Cisco certifications or studying complex network designs. It’s particularly useful if you’re also interested in multi-vendor environments. 

What is GNS3 (Graphical Network Simulators-3)?

GNS3 is an open-source network simulator that allows you to emulate complex networks. It’s more advanced than Packet Tracer and can run actual Cisco IOS images.

The key capabilities of the network simulator GNS3  are:

1. It supports a wide range of network devices, not just Cisco

2. It can integrate with virtualization platforms like VMware

3. It allows for the creation of complex network topologies

Note: Watch this informative video to get a better insight into Network Simulator GNS3

What are the Advantages and Disadvantages of Network Simulator GNS3?

Advantages:  Free and Open source

Highly flexible and customizable 

Can run actual Cisco IOS images for more realistic simulations. Easy to Read Documentation 

Disadvantages: Steeper learning curve compared to Packet Tracer requires more system resources. You need to provide your own Cisco IOS Images (which can be tricky to obtain legally)

What are the Best Use cases for Cisco exam preparation?

GNS3 is fantastic for preparing for more advanced Cisco certifications like CCNP and CCIE. Its ability to run actual IOS images makes it incredibly realistic and it really helps you understand the complex routing protocols.

What is VIRL (Virtual Internet Routing Lab)?

Virtual Internet Routing Lab (VIRL), now known as Cisco Modelling Labs, is Cisco’s professional-grade network simulation platform, which:

1. Runs actual Cisco software Images. 

2. Supports complex network topologies

3. Integrates with other Cisco tools

Let’s see the advantages and disadvantages of VIRL and why it is essential as a Network emulator, and what its limitations are that need to be improved upon: 

Advantages:

1. Highly accurate simulations 

2. Direct support from Cisco

3. Regular updates to match the latest Cisco technologies

Disadvantages:

1. Expensive compared to other options 

2. Steep learning curve

3. Requires significant system resources

How is VIRL effective for various Cisco exam levels?

VIRL is effective for all levels of Cisco certifications, from CCNA to CCIE. Its accuracy makes it particularly valuable for Professional certifications where a distinctive understanding is crucial. 

What is the key difference between the Major Network Simulators?

A. Here’s a quick comparison of features across simulators:

1. Cisco Packet Tracer: Free, Limited to basic Cisco devices, User-friendly 

2. Boson NetSim: Tailored for Cisco exams, includes study materials, not free. 

3. GNS3: Free, flexible, can run actual IOS images, steeper learning curve

4. EVE-NG: Flexible, multi-vendor support requires more setup 

5. VIRL/CML: Most accurate, expensive, resource-intensive

B. If we are considering pricing and licensing of these simulators, then the price ranges from free (Packet Tracer for students, GNS3) to several hundred dollars (VIRL/CML). Consider your budget and long-term study plans when choosing.

C. Let’s talk about the user experience and the learning curve of these network simulators – Packet Tracer is the easiest to start with, while VIRL and EVE-NG have steeper learning curves but offer more advanced features.

What is the Effective Use of Network Simulators?

1. Best practices for simulator-based learning-

• Start with pre-built labs and gradually create your own

• Practice regularly, even if just for short periods

• Try to replicate real-world scenarios you might encounter in your job

2. Integrating simulators with other study materials- 

Combine simulator practice with textbook study and video courses. It is observed that reading about a concept, watching a video explanation, and then practicing it in a simulator really cemented the understanding to the next level. 

3. Common mistakes to avoid when using simulators

• Don’t rely solely on simulators – they can not replicate everything 

• Avoid the temptation to just click through labs without understanding

• Don’t neglect physical hardware experience if you have access to it

Wrapping Up!

Each Network Simulator has its strengths and is suited for different stages of your Cisco certification journey. Packet Tracer is great for beginners, Boson Netsim is tailored for exam preparation, Network Simulator GNS3 and EVE-NG offer more advanced features, and VIRL/CML provides the most accurate Cisco simulations. 

The purpose behind writing this blog is not to recommend any specific software, but to give you the knowledge of the advantages and disadvantages of network simulators and how you can make a wise choice among others while pursuing your Cisco certification exam.  

Do you want to train yourself for these certifications? Apply Now with Network Kings to get hands-on training and work on real-world scenarios with our industry experts.

Frequently Asked Questions!

Q1. Which Simulator is best for CCNA preparation?

Cisco Packet Tracer or Boson Netsim are the best choices for CCNA Preparation.

Q2. Are Free Simulators good enough for Cisco Exams?

Yes, Free simulators like Packet Tracer and GNS3 can be very effective, especially for entry to mid-level certification.

Q3. Can I use Multiple Simulators in my Study Plan?

Absolutely! Using multiple simulators can give you a more rounded preparation experience.

Q4. How Much Time Should I Spend On Simulators versus Other Study methods?

Aim for a balanced approach- perhaps 50% simulator practice and 50% other study methods.

Q5. Do I Need a Powerful Computer to Run These Simulators?

For basic simulations, a standard laptop should suffice. However, for complex topologies in GNS3 or EVE-NG, you might need a powerful machine.