GNS3 is a powerful network emulation toolset. It’s hidden capabilities are what give it an edge over just mocking up a small topology. With the use of the cloud asset, GNS3 can connect to outside networks using the host which you are running it on. Continue reading →
CCNP Troubleshooting Overview video covers the TShoot exam, the topics covered briefly, and what to expect when you take the exam. The topology is made public by Cisco as it is not the goal of the exam, but rather the technologies involved. This gives you Continue reading →
In this video, I give an overview of VMWare ESXi and the VSphere client. Initially the interface for VSphere is explained, and an understanding of some of the features available is given. I then walk through installing a new operating system onto ESXi using a Continue reading →
Very basic introduction to installing a web server on Ubuntu in order to host web pages. Installation of the LAMP (Linux, Apache, MySql, PHP) from the command line, as well as some basic function tests are covered. This whole video really should have been done Continue reading →
In this ticket, we receive a complaint of a user with no connectivity. As it turns out, port security was activated on that port and caused the port to shut down. I cover a few commands to help you identify this, including “show int status Continue reading →
In this video we look at what you might see in a daily ticket in the networking queue. The ticket requires we make network changes to install a new server on the network, with new vlan creation. I started from the physical connection to the Continue reading →
In this video I cover some things you can see day to day in a networking role, as a general introduction for anyone looking to get into the field who is reading books and studying but has not experienced what a daily look into the Continue reading →
In this video I cover the embedded IOS packet capture capabilities in Cisco Devices. This ability on Cisco IOS 12.4(20)T and later can be a useful resource to add to your networking toolkit. When you’re cussing out a particular service on the lan that you are Continue reading →
Is the network down? Nope. Steve from accounting is downloading the latest episode of The Walking Dead. Now, while we honestly can’t blame Steve for this since it’s a damn good show, we also can’t have our bandwidth demolished as we still have critical services that Continue reading →
