Today I learned about the various types of NAT protocols that exist.
- Static
- Dynamic
- PAT (Port Address Translation)
I also learned about the way in which Cisco identifies hosts NAT’d hosts internally and externally.
- Inside Local = The internal IP address associated with a host.
- Inside Global = What that internal IP address will get translated to when traffic from there reaches the internet.
- Outside Local = The IP address that the internal host will use to send traffic to the external host (how the internal host sees the external host)
- Outside Global = The same thing as outside local – more clarification may be needed here.
Useful IOS commands learned
- ip nat inside
- ip nat outside