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Connect real switches to GNS3 using a Cheap USB NICs
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…
Read More »CCNP TSHOOT GNS3 Topology
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…
Read More »How to study Networking
Every now and then people ask me what the best way is to study networking. Since there is so much information to absorb I believe a good “study method” will help you achieve the best result. Here are…
Read More »203-Bad number of parameters (1 with min/max=2/2)
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…
Read More »Create vlans in GNS3 using the NM16-SW switch module
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…
Read More »CCIE Lab using GNS3 and Quad Nics for Switches
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…
Read More »Connect real switches to GNS3 using a Breakout Switch
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…
Read More »Switches in GNS3
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…
Read More »GNS3 Introduction
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…
Read More »How to beat troubleshooting labs
The troubleshooting labs found on my website are a bit different from the ‘normal’ configuration labs, they will require different skills to solve them. If you have the feeling you have mastered a certain protocol you can try…
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