Virtual LANs within a switched local area network provide segmentation and effective network management as well as security.
Network Engineers have the flexibility of segmenting their network into separate VLANs according to work groups, department differentiation or even application usage without worrying about the physical location of the hosts.
What’s more, due to the fact […]

Since last year I’ve received a number of emails and calls all with the same question …
… what’s the difference between the old CCNA certification exam and the new one?
With the release of Train Signal’s new CCNA Training Videos I’m anticipating even more of these questions. So hopefully putting all of this down on paper […]

Are you looking for a boost in your career?

Would you like to make more money doing something you enjoy?

Are you ready to work hard and make a real change in your life?

If computer networking is what you’re interested in, then you should consider the CCNA — Cisco Certified Network Associate Certification.
CCNA is Cisco’s most popular […]

Interior Gateway Routing Protocol (IGRP) is a distance-vector routing protocol. It is also a Cisco proprietary routing protocol - which means that all routers in your network must be Cisco routers in order to run IGRP.

Before getting into all the details of IGRP take a quick look at my article on Dynamic Routing Protocols for […]

If you’re working on the CCNA right now, or even thinking about it, there are changes coming to the CCNA program in November that you need to know. These changes are all good news for CCNAs and CCNA candidates.
And the first bit of good news is that you have plenty of time to take and […]