In this video, I run through the configurations required to add and activate licenses on your Cisco IOS switch. A Cisco Catalyst 3750-x switch with IOS 15.x is used for this demonstration along with a SolarWinds TFTP server.
As part of my on-going studying for the CCNA Security 210 – 260 certification I have been exploring different types of network attacks, one of which is CAM table overflow attacks. In this article I would like to share what I have learnt and provide a demonstration of the attack carried out in a lab [...]
In this article I will explain demultiplexing and how it works by walking through a .pcap file taken from the lab in the screenshot below. We will focus on the data flowing from PC1 and SW1 to R1's ingress port. Demultiplexing (DEMUX) is the method in which the TCP/IP stack uses to determine if datagrams have [...]
In this article I would like to explore DHCP requests so that we can understand what happens when a device sends a request to a DHCP server. Lets start by listing some important information about DHCP..... DHCP is the abbreviation for Dynamic Host Configuration Protocol DHCP uses UDP 67 & 68 - 67 - In a [...]