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In this third post in our EIGRP series, let’s consider the various packet types used and their purpose. Altogether, we encounter five packet types in EIGRP that are used to establish adjacencies and share routing information. The packet types include...

In our last post, we took a look at a basic EIGRP configuration. Now we’ll take a step back and consider some of the essential features of EIGRP. EIGRP is a Cisco-proprietary dynamic routing protocol that debuted in 1992. Although Cisco attempted to...

In this lab, we’ll do a basic configuration of EIGRP and then run a bunch of verify commands. We’ll finish off with a ping test to verify end-to-end connectivity between the PCs. This time the lab is being done on Packet Tracer instead of GNS3. Packet...

In an age of rampant security attacks, safeguarding data is paramount. After all, data is the new Kohinoor for organizations of all sizes in the modern era. secure-delete is one of the command line tools available for Ubuntu and its derivatives like...