Author: Aleksei Zemond Pankratov

Cisco Discovery Protocol (CDP) is a Cisco‑proprietary protocol that allows network devices to advertise information about themselves and their capabilities, and to receive information about neighboring devices.

As a corporate network scales from a small LAN with a dozen machines into a sprawling infrastructure, an admin can run into all kinds of issues. Misconfigurations—especially when IP address management isn’t automated—and service disruptions become a…

Once a domain has more than a few hundred users, keeping track of everyone gets tough. If the domain structure is complex and managed by multiple admins, it’s even harder. Throw in departures, promotions, lateral moves, and…

Upon first encountering terms like "forest," "trees," and related "trust relationships," it's natural to feel a bit intimidated. The same goes for Active Directory itself, which has a reputation for being one of Microsoft's most complex technologies.…