Understanding Access Control Lists is an important role for moving up into the CCNA area. ACLs can get confusing and cause network problems if not implemented correctly. I think what I outlined below explains in a nutshell of what you can expect from ACLs. I would still read and find more information about ACLs on the …

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One of the things you do first when setting up a Cisco router in lab environments and production environments is basic router configuration. By having a good understanding of basic router configuration you will have the essential building blocks and be able to apply additional knowledge upon router configuration. This …

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In this simple tutorial we are going to be configuring a static NAT which is a one-to-one mapping between an inside IP address and an outside IP address. (One private to one permanent address) Using this type of NAT would be helpful for outside devices accessing your inside devices. (Like a web server) Let's get …

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This tutorial will help you configure PAT (Port Address Translation), or sometimes called NAT (Network Address Translation) with overload on a Cisco router. PAT uses multiple private IP addresses and translates them into a single or very few public IP addresses. This is possible because the private IP addresses are …

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This tutorial will be going over Basic Configuration of PPP (Point-to-Point Protocol). This tutorial includes Basic Configuration tasks on a router, Configuring OSPF routing protocol, and Configuring PPP PAP and CHAP authentication. Let's get started! We can see in the above diagram we will be using three routers, a …

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