[SysAdmin] Create isolated WiFi network on OPNSense with local wireless interface

During the last months I am using OPNSense as my firewall (moving away from PFSense). At the very beginning I was using it on an apu2d board but then I decide to try running it in a kind of NFV way. Now I am indeed running OPNSense as a virtual machine (with KVM as hypervisor […]

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GNS3 802.1x Topology

[Networking Lab] Configure 802.1x authentication on Cisco switch IOU with GNS3

In this post I will show you again the power of GNS3 in doing laboratories to test new features. I will provide you a Lab example to configure and test port-based 802.1X authentication over a wired connection having a Windows Server 2012 configured as AD, DHCP and NPS/Radius, a switch running on IOU Layer 2 […]

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[Networking - LAB] Simple GRE Tunnel + IpSEC on Cisco router

Today I was reviewing GRE tunnels and their interaction with IpSEC and I decided to create a very simple and small Lab in GNS3 to have a little bit of practice with it. At the end of the article you will find the Topology file for GNS3 so you can follow the steps showed in […]

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