What is ARP (Address Resolution Protocol) ?

What is ARP (Address Resolution Protocol) ?

ARP (Address Resolution Protocol) is an internet layer protocol of TCP/IP protocol stack. The use of ARP is find out destination layer 2 address when layer 3 address is known. In other words, It helps to find out other devices on the same broadcast domain. For communication, on the ethernet, within broadcast domain, device must have some following address.

How to bypass cisco router username and password ?

How to bypass cisco router username and password ?

If you've cisco router and you've forgotten your router username or password or both. And you're unable to access your router. Then, You don't need to worry any more. Follow the given steps and you can enter your router again.

HOW to install ios in cisco router

HOW to install ios in cisco router

If you are searching help for installing ios in your cisco router. Be happy you searching is finish now. After complete reading of this article you will certainly know how to install ios in cisco router. If router has no ios, or corrupted ios, you will get following prompt as you start router. Since ios is unavailable rommon will be prompted to install ios or recover backup files in the time of disaster moment.

Ethernet HUB and its function

Ques: What is Ethernet HUB and its function?

Ans: In the term of devices, NIC was discussed in previous article. And we have known how to connect if we have two computers. We have to just plug the Ethernet cable into NIC port on both computers then install the LAN driver and game over. Computers are physically connected. Like this, look below :

What is ethernet Bridge?

Ques: What is Ethernet Bridge ?

Ans: Before understanding the term "Bridge", we should have some basic knowledge of how Hub works in computer networking. In the previous article we have discussed about NIC and HUB and so far we have known hub's function and its some disadvantage. In this article we will see how bridge works and how it overcomes some disadvantage of HUB.