At the end of the day if a business or whatever buys a bit of Cisco gear, who is going to be making money? And lets be clear, I do not condone illegal file sharing of any kind but come on, lets elevate the thinking beyond the actual small print and live in the real world. I firmly believe Cisco turns a blind eye to a lot of this "grey market" activity in pursuit of the greater for them good. Doesn't do us Cisco engineers who need lab gear any harm either.

CISCO CCNA

All in all I think if Cisco were to start firing law suits across the globe to protect their IOS's especially "old" IOS's would do them a great deal of harm indeed. Buying used gear is in no way breaking the law. Please google court case agaisnt cisco. Grey market gear is not illigal you just won't get support and it's frowned apon. Cisco even gives free ios updates you just have to write a email to tac with a show ver, then show them the vulnerability your facing and they want serial too to make Sure it's not stolen.

Cisco has to update their equipment if there is a vulnerability it says so on their site. I have done it many times!

Free Download Cisco IOS Images for GNS3 | Cisco IOS Download

Has anyone else been brave and done the above? Every single person even remotely resembling a networking professional that works with Cisco equipment has always said that your gray market switches and routers should never talk to the internet or they will "phone home" and really bad things will happen. I've had a "grey market" lab of about 20 bits of Cisco gear for over 10 years and it's ALL been "on the internet" continuously for about 5 years. Nothing bad has ever happened to me well not at Cisco's hands at least And as I said earlier, I think Cisco are good deal more pragmatic and practical about this than the amateur lawyers among us.

That said, recent changes to IOS and feature licencing mean it may be harder to copy an IOS images whilst retaining all the features. And the new Universal IOS images definitely have the capability to call home. I don't think anything prior to Can't say the same for my LG TV though. Thankfully that was easy to block Tbh, I was always skeptical of this school of thought and so I connected my equipment anyway without incident I may add.

Recently though, I had the bright idea to create some tunnels external to my network for learning purposes that would require I go through my ISP to get to the other end of a configured tunnel. While I could replicate that internally, I wanted to do things the hard and unnecessary way At that point, I thought I would research for a minute to see what other people were saying about it and that is how I found this post unsurprisingly at Spiceworks.

Thanks for the reply and sarcastic wit of which I am a great fan. I have a bunch of tunnels from my home to various sites I support for work. To say nothing of the fact that for site to site communication across the public internet traffic should be encrypted as it is best practice. By paying exorbitant amounts of money for their training? Yes, there are ways where one's company will pay for training.

However, that assumes that the person has already gotten the training they need to land a job in the field. Kindly, absolutely never quit composing.

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With this GNS3 Tutorial, we will teach you how to create a virtual data center on your laptop. If want to study CCNP without buying expensive hardware, you are in the right place. Again, If you want to test a scenario before implementing it at work, GNS3 is the product for you. GNS3 stands for Graphical Network Simulator 3 , and it is exactly what the name says: a software to simulate networks.

You can think of it as the big brother of Cisco Packet Tracer. You can drag routers in a central window, connect them with cables and configure them. Just like in Packet Tracer. The reason for that lays in the core difference between the two. In other words, Packet Tracer is a software that reproduces the behaviour of a router: if you type this command, you get that output and so on. You can see where this is going: with GNS3, you are going to have many more features. After this GNS3 Tutorial, you will be able to do the same.

We will only focus get you going with this awesome software, so that you can try your own labs. GNS3 is an awesome, complex software. And, guess what, it is completely free. So, without wasting time, we can simply download it from their website , or click the link below. The download is about 60MB exact size varies on the version. Once you finish downloading, move to the next step.

Installing GNS3 is simple. Just run the software you downloaded as an administrator. When prompted to select the list of software to install, verify that everything is checked. Then, continue with the installation. Continue hitting Next until finish, leaving all the default options.

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Now you have GNS3 ready to rock, but you need to configure it. Installing GNS3 was the easy part. However, it is just an emulator, which means we have to add to it the Cisco IOS software on ourselves. GNS3 is a powerful tool, and can host a great deal of different vendors. You have to install only what you want.

When you run GNS3, always do that with administrative privilege. GNS3 will spawn sub-processes, use network cards and other things that might not work well without that privilege. So, keep this in mind. When you launch the problem, it will ask you if you want to configure a server, as in the screenshot below. Skip this step for now by hitting the Cancel button. After that, a new window will appear asking to provide the name for a project.