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Summarized: Cisco NAT/PAT

Cisco NAT/PAT (Network Address Translation)/(Port Address Translation)

Types of NAT
1. Static NAT
2. Dynamic NAT
3. PAT

Static NAT: Allows you to map an individual IP address from your private network (inside) to a global IP address.

In the image below the laptop with IP 10.1.1.100 is being translated by the router to the global IP address of 222.31.238.15

Showing Static NAT

Copyable Cisco Commands  


Router(config)# int f0/0
Router(config-if)# ip nat inside

! Setup Outside Interface (Ex: G1/0)
Router(config)# int g1/0
Router(config-if)# ip nat inside

! Setup Static Translations
ip nat inside source static local-ip global ip
Router(config)# ip nat inside source static 10.1.1.100 222.31.238.15
Router(config)# ip nat inside source static 10.1.1.200 222.31.238.16

Dynamic NAT:  <coming soon>

PAT NAT:  <coming soon>

 

 

 

 

 

 

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