What is NAT?
Network Address Translation
What is PAT?
Port Address Translation
Tracks TCP/UDP port information to bind many Private IP’s to a single Public IP
What layer does NAT operate at?
Layer 3
What layer does PAT operate at?
Layer 4
What is SNAT?
Source NAT
Translating source address (outbound)
What is DNAT?
Destination NAT
Translating destination address (inbound)
Why is MAC and IP address necessary?
Sending a packet to 8.8.8.8, the device will send the packet in a frame to the default gateway which will relay until it reaches it’s destination