Archive for September, 2015

When we talk about internet or any network or networking, the first thing comes in our mind is ip address.Today here i am going to brief IP.There are a lot of confusion among newbie reated to IP,IP ADDRESS and IP ADDRESSING.Some think IP and IP ADDRESS are two different thing,but some think both are same.Few are confused when people talk about IP ADDRESSING. If you want o understand the INTERNET or any NETWORK you must know what IP is.That’s why today i have decided to write a short note on IP here.

What is IP?

IP is communication protocol of TCP/IP suit which is used within a network or outside a network or between two or more networks.


IP ADDRESS is a numeric address used by communicating device using TCP/IP suite for the purpose of communication and  it also to define a device uniquely in a network(which means in a network no two device can have same ip address).



It is just an addressing structure to implement IP ADDRESS.


Version of IP ADDRESS.

There are two version of IP ADDDRESS:

1.IPv4 (32 bit)

2.IPv6 (128 bit)

ip address

IP Address MindMap (1)

 Range Of IP Addresses:

Class A     –
Class B –
Class C –
Class D –
Class E –

 Public IP Address And A Private IP Address

   Public Address – Unique Address That Is Assigned To A Company.
   Private Address – Theses Addresses are Not Recognized By The Internet And Can Be Used By Anyone Within Their Private Network.


Telnet is used as a remote login program.If you want to login to a machine which is far away from you,you must have to use a remote login program and telnet is one of them.Telnet is a remote connection protocol which works on port 23.Here in this article to test remote login through telnet i have used packet tracer software.In this article i have mentioned all the possible way to configure telnet on router or switch.If anyone know some more ways to configure telnet on a router or a switch i will be very happy to know t from our comment section. (more…)

This is a ospf configuration lab tutorial in which i will explain how to configure ospf.OSPF is one of popular routing protocol and the main reason behind it is it’s property to support VLSM and CIDR.OSPF routing protocol converges very quickly and also guarantees loop free routing.It is famous  among ISP network because it’s open standard and supports almost every vendor hardware and softwares. (more…)

Today in this tutorial i am going to show you how to configure Netflow on cisco router to understand and monitoring the network behaviour including what where  when and how network traffic is flowing and hence netflow helps us to understand the network behaviour and help us to utilize the network more efficiently.

What is NetFlow?

NetFlow enables you to collect traffic flow statistics on your routing devices. (more…)