What is the Nexus 1000v?

I have worked with the Nexus 1000v product and wanted to share my thoughts on it. I want to explain in this blog what this product is and what it does.  The Nexus 1000v can be virtual or a hardware appliance and is considered to be a virtual switch that runs in VMware. The major benefit to this product is the visibly you get when running in a virtual environment. Remember in the virtual environment the network engineer has a cloudy vision of what’s going, because the built-in switch within VMware does not get that technical it just works. This is fine for most people but not all, especially the network technicians we want that visibly and the Nexus 1000v does that and more! Continue reading “What is the Nexus 1000v?”

Understanding CBAC

Although using hardware firewalls are an excellent step forward when securing your network. They can cost money and are not cheap to set up and configure. Using CBAC is built-into the Cisco IOS router and helps filter those unwanted protocols that are in your network. When setting up routers as firewalls you have some choices like using CBAC the “Classic” firewall, or zone based policy (ZBF). Today we will talk about CBAC and how to understand the core components of what make CBAC possible. Continue reading “Understanding CBAC”