6
Mar

What is an IP Address, What are the uses of IP Addresses – Explained and Demystified

What is an IP Address, What are the uses of IP Addresses – Explained and Demystified

If you have ever used the internet, you have unknowingly used IP Addresses. An IP Address or an Internet Protocol Address is a numeric value(numbers)  is a unique number consisting of 4 parts separated by dots, e.g. 202.143.111.157, Every machine that is on the Internet or LAN has a unique IP number if a machine […]

25
Feb

How does a CISCO Router Boot

How does a CISCO Router Boot

Booting up the Router Cisco routers can boot Cisco IOS software from 1. Flash memory 2. TFTP server 3. ROM (not full Cisco IOS) Normally it’s booted from Flash RAM. But if it fails, it tries to load IOS from tftp server. If this also fails, it boots a “small” ios which is in ROM. […]

25
Feb

Network Address Translation Explained! – Tutorials

Network Address Translation Explained! – Tutorials

Frustrated because you cannot understand NAT?   Was just reading a  blog post on NAT and was reminded how much difficultly I had withNetwork Address Translation (NAT) when I was just starting out on my career as a Cisco networks engineer.   First off, the official  Cisco notes  How NAT works.   Feeling confused after […]

12
Jan

CCNA – How to Subnet

CCNA Aspirants, We are starting a set of tutorials for you guys to learn the concepts of CISCO Certification the EASY Way Today we start with SUBNETTING, one of the easiest if you get the Subject matter, can ruining your CCNA  preparation  if you dont. What is subnetting? “Subnetting is basically breaking down a group […]