[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…
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…
The goal of this article is to cover a complete configuration of OpenVSwitch and KVM networking to have ports of the virtual switch allowing trunking toward the KVM guests. The…
Here we go with another Lab with GNS3 and IOU. This time is to review and practice the OSPF configurations as well as LSA types, Areas, routing table, virtual links…
Hi there! Yet another GNS3 laboratory for a bit of practice. This time I arranged the starting configuration to play with RIP and RIPng following the exercise found on TCP/IP…
This GNS3 laboratory is a simple reproduction of the Configuration exercise number 3 of Chapter 3 (static routing) of the well known book TCP/IP Volume 1 for the CCIE professional…
This is mainly a reminder for myself and for who is working with subnetting and with the always arising question about how to work with subnets design. The question to…
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…
A lot of times, when you would like to reproduce some behavior in a Network, you need to add a lot of basic configs on your routers and switches. You…
Maybe this article will not bring to your knowledge something new, but it happened to me in the recent past that not all the friends and collegues I was talking…
While reviewing MPLS topics you can't avoid to try how the technology works doing some labs. This is particularly valid if you don't have the opportunity to "touch" the technology…
I am always reviewing Routing topics to have them all the time fresh in my mind, especially when I don't practice with them a lot during daily works. This time…
As promised in my recent post about DMVPN online and free study resources, I prepared a small topology for a Laboratory that helps you practising with DMVPN. The topology is…
This is a very quick post to provide some documents to read and study if you are interested in learning DMVPN technology. I added a very short comment for each…
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…