Just wanted to put this up has Cisco has recently released VIRL. This is a network simulation platform that you can run Cisco operating systems on which are the same operating systems that run on Cisco hardware so anything you do in this simulation environment would be realistic if it was running on dedicated hardware. […]Read More Cisco VIRL is out … for a price
I have had the opportunity to take and thankfully pass Cisco certifications at the associate levels and there is one more associate exam, the CCNA Data Center which hopefully I will get later next year. While looking at the CCNA Data Center exam I also glanced over the professional arena that Cisco offers and if […]Read More Why Go Professional with Cisco Certs?
Working towards the CCNA Cisco talks about a hierarchical network there are three layers to this design. Access Layer, distribution layer and the core layer. Each of them have their own set of functions and is also considered to be a best practice when the network continues to grow and for redundancy along with just a […]Read More The Three Tiers
I’ve found this table that I created a while ago and it lists common WAN connections that businesses use. I have used this table like a reference guide to familiar myself into other protocols. People don’t think of it much but the WAN is a different beast compared the LAN as it uses different protocols besides Ethernet. The WAN or wide area […]Read More Types of WAN Links
Awhile back I talked about the differences between IPS and IDS. (See the post Cisco IDS vs. IPS ) So for today’s post let’s learn how to configure an IPS (Intrusion Prevention System) on a router using the Cisco SDM (Security Device Manger). The Cisco SDM is a Web-based device management tool a GUI for Cisco […]Read More Configure IPS (Intrusion Prevention System) via SDM