Top 5 IT Blog Posts of 2017

December 21, 2017 Ryan Day Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

Global Knowledge’s top blogs of 2017 all have one thing in common: Tips for success. Whether you’re mapping out an IT certification track, troubleshooting a VPN or searching for the perfect tech toy to add to your wish list, our most-viewed blogs of the year are filled to the brim with lessons, guidelines and advice for IT and non-IT professionals. Learn more about ITIL®, Cisco certifications, the importance of washing your hands (this will make more sense shortly) and more in our five most popular blog posts of the year.

How to Troubleshoot Cisco’s Dynamic Multipoint VPN (DMVPN)

March 2, 2017 Johnny Bass Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

Dynamic Multipoint Virtual Private Network (DMVPN) is a network solution for those that have many sites that need access to either a hub site or to each other. It was designed by Cisco to help reduce the complexities in configuring and supporting a full mesh of VPNs between sites. There are other vendors that now support DMVPN, but Cisco is where it started.

Challenges for NaaS Adoption

July 30, 2014 Kerry Doyle Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

It’s important to recognize that the virtual overlay form of Network-as-a-Service (NaaS) only segments the connectivity that the real network underneath provides. In other words, an application’s network becomes a transparent addition to the actual hardware underneath that creates connectivity.

8 Steps to Smarter Smartphone Use

December 3, 2013 James Michael Stewart Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

If you have a smartphone, you have a fully capable computer in your pocket that has an always-on connection to the Internet that is tracking your every move. A bit scary, right?

Advantages of Using Dell SonicWALL Route-Based VPN Instead of Site-to-Site VPN

October 21, 2013 Ray Lugo Cisco, Cloudera, Featured, Professional Development, Project Management, Routing & Switching, Technology, Training in Business

There are several advantages to implementing a route-based VPN (a.k.a. tunnel interface VPN) instead of a site-to-site one. While both establish a secure tunnel between appliances, a route policy controls the traffic that passes through the tunnel, giving you more flexibility for the services (ports) you want to open across the tunnel as well as redundancy to reroute traffic in case of an outage between the appliances.