A collection of 15 posts

EIGRP Filtering (GNS3 lab)

EIGRP Filtering (GNS3 lab)

In this GNS3 lab we're looking as the various options on how we can filter updates between EIGRP speakers and then how that affects the traffic flow (as EIGRP is a distance vector

6to4 Tunnelling (GNS3 Lab)

This is a quick lab to look over how 6to4 tunnelling can be implemented using GNS3 1.3 and 3725 (running c3725-adventerprisek9-mz124-15.image). The topology will be as below but the important part

Install GNS3 1.x on Fedora 22

Quick guide to installing the quite awesome GNS3. Very similar process to Fedora 20 but this time using DNF and a small adjustment on some package names with some extras included now for


[toc]Group Encrypted Transport (GET) VPN is slightly different and has quite different use cases from more traditional point to point IPSEC VPN where each point to point VPN is quite distinct in

DMVPN setup with PSK (GNS3 Lab)

[toc] Dynamic Multipoint VPNs (DMVPN) offer a low admin overhead and scalable VPN solution. It is also efficient at routing traffic as it can dynamically reconfigure itself from a hub and spoke to

Install GNS3 1.0 on Fedora

Recently started to play around with the new GN3 1.0 release on my Fedora 20 laptop. Just a quick guide to installing since the official notes only seem to mention apt/debian.