The thing that makes networks awesome is the fact that once you setup a network you're not done. That may sound like a drawback but it is excellent job security! Engineers or administrators must watch the performance of an organization's network to make sure that productivity is not affected. Network outages can have a …

In today's post let's talk about CDP the Cisco Discovery Protocol. This protocol helps us in two ways, it first helps us verify that a connection between router or switch is set up correctly at least up to layer two in the OSI model. This also helps us discover Cisco devices that are in are network and which interfaces …

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 routers …

Last month I talked about the fundamentals for understanding zone based firewalls (See the post Understanding Zone Based Firewalls). So for today's post I want to go ahead and talk about configuring the zone based firewalls but with the Cisco SDM (Security Device Manger). The Cisco SDM is a Web-based device management …

Today's post is going to be talking about troubleshooting and where to start the troubleshooting process. Yes there is an actual process that every technician should be aware of. You can also use this troubleshooting process at home, you may not know how to fix it but at least you know where the issue is and find …