Cisco Discovery Protocol

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 these devices are connected too and from are Cisco equipment. The Cisco discovery protocol is Cisco proprietary  and before I go any further let me mention that CDP is a security risk because of the detailed information CDP gives out which helps you has a network administrator build a current network infrastructure, this can also hurt you because this information can easily be sniffed by programs that are easily searched on the internet. Continue reading “Cisco Discovery Protocol”

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Troubleshooting Process

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 someone who can. Continue reading “Troubleshooting Process”

Install BackTrack

This is a full install of BackTrack 4 this can be in a virtual machine, dual-boot, or the main OS. So you burned the image that you downloaded from http://www.backtrack-linux.org/  and are ready to go! If not I would recommend you do that first. BackTrack is a Linux penetration testing for network security. This is a free tool that IT administrators can use to audit their network.

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