Welcome to the first of my Cisco Network Fundamentals series I will be covering all sorts from the exam topics, including live simulation scenarios. Long reads have their place but I wanted these to be something you could quickly review on a coffee break. Also, even though the primary focus it exam prep, my hope …
Dynamic Routing These protocols can dynamically respond to changes in the network. The routing protocol is configured on each router and the routers learn about both each other and remote networks. Examples of modern dynamic routing protocols include: • RIP v1,2 (ok, maybe this isn’t very “modern”) • EIGRP • IS-IS • OSPF • BGP Distance Vector vs. Link-State Distance Vector When …
The Phone Call One morning, around 2am, I received a call from my manager – “I know you’re not on call and so you know I wouldn’t be calling you if it wasn’t urgent but…….”. I was a network engineer for a long time and those words for me are like the Bat-signal – I …
In some business circles i.e. project managers, solutions architects, blue-sky thinkers or the wizards of light bulb moments, your company WAN (Wide Area Network) is sometimes referred to as VRF, MPLS, VPN, VFR’s or ‘that network thing”. So I thought I’d try to explain it all to a variety of audiences. This is a high-level …