Tag: gns3

Connect real switches to GNS3 using a Cheap USB NICs

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 There are three options to connect your real switches to GNS3: The Quad NIC solution. The breakout switch solution. The cheap USB NIC solution. I don’t really like the breakout switch solution because I’ve had way too many…

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GNS3 TSHOOT Labs

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Earlier this week I published the topology for CCNP TSHOOT built in GNS3 but for some reason the attachments didn’t work so I had to move the article, you can find it right here. It’s a good idea…

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CCNP TSHOOT GNS3 Topology

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This is something I had in mind for quite some time but today I finally created the CCNP TSHOOT topology for GNS3. The topology that is used for the exam has been released by Cisco so it’s not…

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203-Bad number of parameters (1 with min/max=2/2)

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I received a couple of messages from people who had trouble loading some of the labs I built in GNS3, this is the error they reported: 203-Bad number of parameters (1 with min/max=2/2) Fortunately it’s easy to fix…

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Create vlans in GNS3 using the NM16-SW switch module

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If you are going to try the NM16-SW switch module in GNS3 you might find that the vlan commands are a bit different than what you are used to on real switches. For this module you still need…

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CCIE Lab using GNS3 and Quad Nics for Switches

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There are 3 different methods how you can connect your real switches to your GNS3 routers: Using a breakout switch. Using cheap USB network adapters. Using Quad NIC PCI cards.   This article is how you can build…

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Connect real switches to GNS3 using a Breakout Switch

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GNS3 is an excellent tool for routers but it lacks support of switches. You can use the NM-16SW module but it’s features are nothing compared to using a real switch. If you are studying for CCNP or CCIE…

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Switches in GNS3

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I’ve been getting questions about switches in GNS3 so decided to write this article explaining which switching protocols you can or cannot use in GNS3. First of all, it’s impossible to run switches in GNS3! That being said…

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GNS3 Introduction

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GNS3 is a Graphical frontend for Dynamips / Dynagen which is a powerfull network emulator. An emulator means that you can run the real networking software on other hardware than what it is meant for. Maybe you have…

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GNS3 IP SLA Traffic Generator

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Hi Folks,   I’ve been busy studying/upgrading my QoS knowledge to get to the CCIE R&S level. I’ve been playing around finding a way to generate traffic through my routers to create bottlenecks and to have packets to…

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