networking

Configuring PAT

Jan 19, 2011 · 3 min read · CCNA Cisco networking PAT tutorial WAN ·

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 …

Basic PPP Configuration

Jan 18, 2011 · 11 min read · CCENT CCNA cisco networking tutorial WAN ·

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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 …

The OSI Layer

Jan 17, 2011 · 2 min read · CCENT CCNA Cisco cisco networking osi ·

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It is the foundation that makes understanding networks possible the wonderful OSI layer. While studying for the CCENT exam I had a basic understanding of the OSI Model but when reviewing the material I found myself saying over and over, "Oh ya I remember that"! meaning I totally forgot about a certain …