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 »GRE over IPSEC
Scenario: Your colleagues at “BigLabs” are very pleased with your performance so far…you managed to succesfully configure the “Basic GRE” lab and the “Site-to-Site IPSEC VPN” lab. You managed to configure a GRE tunnel and encrypt it with…
Read More »Why do we use BGP?
If you are studying for your CCNP after getting your CCNA you’ll probably see BGP for the first time. In this article i’ll explain to you why we use BGP. If you are unsure what BGP is or…
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 »BGP for Beginners
I’m writing this article for everyone that is new to BGP. Perhaps you have passed your CCNA and have learned about all the IGP’s like OSPF, RIP and EIGRP but you still don’t know anything about BGP. Before…
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 »CCNA Exam
Maybe you are new to taking networking exams or perhaps you have done plenty but never did a Cisco exam before. Nevertheless in this post i’d like to tell a little bit about the CCNA exam so you…
Read More »CCNA Labs
Every now and then I get questions from students (from real life courses) or people here on gns3vault which labs they should work on when they are studying for their CCNA. Maybe you are studying for CCNA yourself…
Read More »I saw what you patched last summer
Hello all! I’m kinda busy studying CCIE R&S (doing full labs all day long…) but this is something I wanted to share 😉 Rene
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