Theory A transit network in OSPF is simply a network of which connects routers together. According to RFC 6860, transit-only networks are advertised in LSAs, but they’re generally not needed for d...

Theory EIGRP Loop-Free Alternate (LFA) IP Fast Reroute (IP FRR) is used to reduce the transition time from a successor route to a feasible successor route from regular convergence mechanisms. In a...

Introduction Assuming someone in the future is reading this to see how someone’s journey to the CCIE would be, I’ll skip all of the fluff about my background and stuff. I’m just an average Network...