Identify IP Addresses

                                    

                                                        In a previous post, we talked about what an IP Address is. At the same time, I told you that we can not add this IP Address to the devices as we want, there is an accepted method for that. So let's talk about that on this blog page. 

       As you may know, there are two major IP addresses used in the world. They are. 

01. IPv4 Address 

02. IPv6 Address 

 So let's talk about these two types of IP addresses separately. 

                    One may have a question as to why we use two IP versions in this way. I will explain it to you very simply here. This IPv4 address that we will talk about in the future has been created by adding 32Bit. So the number of addresses that can be written in 32bit is limited. For example, let's say we have a bit of 1bit. Then we can write two times. I think it's clear what I said.

You are like us We can write 32bit Addresses are limited. Why is such an address limited? When devices are added to the internet, as I said earlier, we add addresses to those devices to identify them separately. When adding an address like that, we do not have enough IPv4 addresses. So we created a new Address Version called IPv6. That is how these two IP Address Versions are created.

 Let's see how IPv4 Address is created and its significance.

IPv4 Address 

Now let's see where this IPv4 address is created.

* This IPv4 address is created by adding 32 bits. Now you know. For example, let's see how to write 192.168.10.2 IP Address in 32bit.

* Also, we divide these 32 bits into 4 equal piles.. then 8 bits come into one pile.

* We call that one 8-bit part an octet. Then there are 04 octets in an IPv4 address.

*And there is another thing, here I told you that an IPv4 address has 4 octets. So when we go from one octet to another octet, we get an IPv4 IP Address (.) dot. We call the Dotted Decimal Notation method for separating Octets in this way. 

This is how we can introduce an IPv4 address.

I will now give you some IPv4 Addresses to see which of them belong to the correct IPv4 Address category.

Try it

1) 192.168.1.0

2) 122.145.0.0

3) 255.255.255.255

4) 10.256.0.4

5) -192.168.10.12

6) 144.123.0.4.1

7) 12.21.1.1

8) 10.10.10

IPv6 Address 

* We use the Hexadecimal method (16 bases) to write an IPv6 Address. 

* Also, this IPv6 address is created with 128 bits added.

* When we write an IPv6 address, we need to write it in such a way that 16 bits are added to one stack. Then there should be 8 heaps like that in this IPv6 address.

* We use this sign (:) to separate the other 16 bits from these 16 bits. 

You will get an idea after looking at the diagram.

MAC Address (Media Access Control )

* We can change the IPv4 Address and IPv6 Address that we talked about earlier, but we cannot change this MAC Address in that way because that address is added to our devices by the company that creates those devices. 

* This MAC address is written using the Hexadecimal method.

*A MAC Address is created using 48bit.

*This 48-bit address is written using 6 stacks. Then there are 8 bits per heap. 

* We use the (:) symbol to separate one pile from another.

This is how we are talking about IPv4 and IPv6 today. If you want to understand this more simply in Sinhala, you can go here.

If so, we will meet in the next day with such a valuable lesson.

★★★★★★★★★★★★★★★★★★★★★★★★★

Good Luck 

#Rumesh_Dushmantha_Thilakarathna

#Network_Engineer

#CISCO

#CCNA

#CCNP