Cisco Access-lists (ACL’s – Access Control Lists)

Posted Leave a commentPosted in Access-Lists, CCNA (ICND2), Networking 101, Security

Access-lists are the cornerstone of security in networking. They are used on Routers, Switches and Firewalls and are often a challenge to understand when first starting your career in networking. Before we dive into the configuration of access-lists, or otherwise known as ACL’s (Access Control Lists), it’s important to get an understanding of the concepts, […]

Port Security

Port Security on a Cisco Switch

Posted Leave a commentPosted in BCMSN, CCENT (ICND1), CCNA (ICND2), IINS, Security, SND, Switching

In order to control what machines are plugged into your network, Cisco introduced the “switchport port-security” command. In this tutorial I’m going to explain how to use this command, and different options available using it. Below is the breakdown of the commands I used in the live demo, and an explanation of each. AOIP.ORG_Switch# terminal […]