Policy NAT - Network Address Translation

Policy NAT is a type of address translation which makes a decision to translate packets based upon both the source and destination. Typically, only the source IP is matched when identifying traffic which should be translated. But sometimes, it's beneficial to identify the traffic which must be translated using both the source and destination.
In the end, a Policy NAT is still simply one of the four types of translations we've already discussed: Static NAT, Static PAT, Dynamic PAT, Dynamic NAT -- except the decision of "what to NAT" is done more granular.
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#policynat #nat #rfc1918 #cisco #juniper #ccna #net+

[@PracticalNetworking]

👉 *Want more?* Watch the rest of the NAT Series: czcams.com/play/PLIFyRwBY_4bQ7tJvbLA9A0v8Fq9l-H923.html
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[@libaaxalee]

Most wonderful channel, you guys make it so simply to understand thank you.

[@PracticalNetworking]

Thank you for the kind words =)

[@aksel9392]

SUCH A GREAT EXPLANATION

[@urvibastodkar6776]

Hands down best series on NAT out there !! I have a question - in which real world scenario will be perform policy NAT and translate just the source ? What's the use case?

[@PracticalNetworking]

Thank you for the kind words.
I used Policy NAT's a lot when I wanted my IP addresses to look different when visiting some clients vs other clients.

[@urvibastodkar6776]

@@PracticalNetworking How is return traffic processed in two way NAT if the dynamic PAT is unidirectional?

[@PracticalNetworking]

@@urvibastodkar6776 Reach out to me on discord, it will be easier to explain there: pracnet.net/discord

[@IliyaDamyanov]

Super video.

[@rotrose7531]

Thank you always for your amazing contents.

[@PracticalNetworking]

Glad you're enjoying this content Rose. Thank you for all your engagement w/ the channel comments.

[@emonhossain4353]

Wonderful Expain❤️❤️

[@justsomebody14]

Thank you so much for your curses!

[@PracticalNetworking]

Gladly =)

[@Smurfomatic]

I don't care how good your courses are - you need to relax with the curses!

[@stepankarel903]

Keep it up, thank you.

[@PracticalNetworking]

Will do ! YOu're welcome!

[@cuspajzz]

First Happy new year🍾!
As always great lesson 👍

[@PracticalNetworking]

Happy new year! Glad you enjoyed it!

[@aniswlidi2012]

Hi. Thank you fr the great work. Can you give us an exemple how to confirgure Policy Nat on a Cisco switch?

[@yeelamwan2985]

Thanks for the great lesson!! Will there be any chance for the lesson on network tunneling?

[@PracticalNetworking]

Glad you liked it! At some point, yes.