NAT Explained | Overload, Dynamic & Static
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What is NAT?
Network Address Translation (NAT) is used to convert private IP addresses to public IP addresses and vise versa.
The feature was introduced to prolong the life of IPv4 addresses. By using NAT you can convert all your private IP addresses to a single (or few) public address. This means a huge number of public addresses can be saved because the private addresses can be used over and over again in private networks across the world.
Types of NAT
There are three types of NAT, some more common than others but it’s a good idea to know exactly how each one works and how they can be used.
Static
Static NAT is when you manually assign each private IP address + port number a public IP address + port number. This could be used when running web server or mail serve.
Dynamic
The way Dynamic NAT works is by assigning each private IP to a public IP from a manually created pool of available public addresses.
You can use this to merge two networks with the same subnet together. You would configure the connecting routers to make the subnets appear to be different to what they actually are.
PAT (Overload)
Port Address Transaction (PAT) or Overload as it is often called is the most popular version used today.
The way PAT works is it converts the private address + port number to the public address + port number.
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Видео NAT Explained | Overload, Dynamic & Static канала CertBros
How to PASS your CCNA! My Recommended Resources
----------------------------------------------------
📚 Get a great book ➤ https://amzn.to/3f16QA5
📹 Video Course ➤ https://mailchi.mp/45a8a98de600/certbros-course ➤ Register your interest
✔ Practice Exams ➤ https://bit.ly/2XmSjZS ➤ The best exams available for the Cisco CCNA
📚 Recommended Books 📚
----------------------------------------------------
Introduction to Hacking ➤ https://amzn.to/38S7kWl
📹 How do you make videos? 📹
----------------------------------------------------
Animations ➤ https://bit.ly/3cMpxaf
Video editing ➤ https://bit.ly/2LFld0t
Disclaimer: These are affiliate links. If you purchase using these links, CertBros will receive a small commission at no extra charge to you.
----------------------------------------------------
What is NAT?
Network Address Translation (NAT) is used to convert private IP addresses to public IP addresses and vise versa.
The feature was introduced to prolong the life of IPv4 addresses. By using NAT you can convert all your private IP addresses to a single (or few) public address. This means a huge number of public addresses can be saved because the private addresses can be used over and over again in private networks across the world.
Types of NAT
There are three types of NAT, some more common than others but it’s a good idea to know exactly how each one works and how they can be used.
Static
Static NAT is when you manually assign each private IP address + port number a public IP address + port number. This could be used when running web server or mail serve.
Dynamic
The way Dynamic NAT works is by assigning each private IP to a public IP from a manually created pool of available public addresses.
You can use this to merge two networks with the same subnet together. You would configure the connecting routers to make the subnets appear to be different to what they actually are.
PAT (Overload)
Port Address Transaction (PAT) or Overload as it is often called is the most popular version used today.
The way PAT works is it converts the private address + port number to the public address + port number.
Do you Even CertBros?
http://www.certbros.com
Subscribe: https://goo.gl/l999wu
Twitter: https://twitter.com/certbros
Видео NAT Explained | Overload, Dynamic & Static канала CertBros
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