Let’s face it, ISDN is old. In fact, this telephony technology is around since 1986. However, even more than 30 years later, many providers still
When it comes to connecting to a network device, SSH is the industry standard. This is no surprise: the old protocol, telnet, allows only not
Software-Defined Networking is shaping the future of network engineering. Because of that, anyone in the field must learn how to deal with it. With SDN,
In the last few articles, we started to learn Python. Why would a network engineer learn this programming language? Our job is evolving, adapting to
Today, “firewall” is a hot word. This isn’t a surprise, as firewalls are the masterpiece component of network security. A firewall is even more than
When approaching network engineering for the first time, many people believe their only tool will be their laptop. While this may be true for some
The natural step after the CCNA is the CCNP, at least for most people. However, as you climb the networking ladder, resources get scarcer. This
As a Network Engineer, you are going to work almost exclusively on your PC. In fact, your PC is your most precious tool, yet it
In our last articles, we learned the beauty of GNS3 to create complex routing labs. However, networks are simply not complete without switches. By now,
Networks can be beautiful and complex with the only use of routers and switches. However, a network made of just routers and switches is completely