Cisco has created some NAT terminology which explicitly refer to the IP addresses and/or ports involved in Network Address Translation (NAT). While discussing the addresses involved in a NAT, using the terms like “Source” and… Read More »Cisco NAT Terminology
Every device on the Internet has an IP address. The IP address serves as the device’s identification – much like how a phone number identifies a particular phone. When devices communicate on the Internet, they… Read More »Network Address Translation (NAT)
If you’ve made it here, then at this point you should have a solid understanding of each of the four types of translation that can exist: Static NAT, Static PAT, Dynamic PAT, and Dynamic NAT.… Read More »NAT Terminology Disambiguation
Every type of NAT we have discussed so far have two things in common. The first is that only the source of the packet is used to make a NAT decision. The second is that… Read More »Policy NAT and Twice NAT
According to the definitions outlined in the NAT Terminology article, a Dynamic NAT implies a translation of just the IP address, where the post-translation attributes are selected by the router. In a Dynamic NAT, a… Read More »Dynamic NAT
According to the definitions outlined in the NAT Terminology article, a Dynamic PAT implies a translation of the IP address and Port, where the post-translation attributes are selected by the router. Dynamic PAT is the… Read More »Dynamic PAT
According to the definitions outlined in the NAT Terminology article, a Static PAT implies a translation of the IP address and Port, where the post-translation attributes are explicitly defined. There are multiple use cases for… Read More »Static PAT
According to the definitions outlined in the NAT Terminology article, a Static NAT implies a translation of just the IP address, where the post-translation IP addresses are explicitly defined. Making Internal Resources Accessible The typical use… Read More »Static NAT