What is Static NAT on Cisco Router? – NAT (Network Address Translation) is the process of converting the private Ip blocks in a network environment to global IP addresses during Internet access.
What is Static NAT on Cisco Router?

What is Static NAT on Cisco Router?

What is Static NAT on Cisco Router?

In the previous article, we explained what is network address translation (NAT). There are multiple types of NAT. NAT is generally used in Routers. NAT is automatically enabled on the ADSL modem in our home. Therefore, computers that connect from the local network to the Internet automatically subject to NAT processing.

In more comprehensive network designs, NAT operations are used in different scenarios. For example, we can use it to hide our IP address we use on the internal network for network security.

In Cisco or any Router model, the configurations of processes such as NAT configures with a command prompt. In this post, we will give you information about What is Static NAT on Cisco Router?.

The general working logic of the NAT process is as shown in the following figure;

What is Static NAT on Cisco Router?

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What is Static NAT?

Static NAT works with the same logic in the above image. However, IP addresses are statically registered. In Static NAT operation, the source IP addresses of packets going from left to right are always configured as static. Thus, the computers going out of the local network to the Internet will undergo conversion according to Static NAT in the router configuration.

After the Static NAT process, they will access the Internet by translating it into a global IP address assigned by the ISP.

Understanding Static NAT on Cisco Router

To understanding Static NAT on Cisco Router, let’s explain the Static NAT operation designed in the Cisco Packet Tracer program with the following image.

What is Static NAT on Cisco Router?

When the computer with the 192.168.10.10 IP address goes to the Internet, the NAT operation is applied to the ISP IP address. In the above statistics, we can see that Local IP address is converted to the Global IP address.

We can see the NAT statistics on Cisco Router0 when pinging to the Router1 from PC0. If more than one IP address assigned by the ISP, Dynamic NAT operation applies on the Router. Otherwise, the firms or organizations that have a single ISP IP address can connect the certain PCs from their local networks to the Internet via Static NAT.

In the network topology above, a second computer cannot access the Internet if there is no static NAT record. You need to create a static NAT record the second computer to be able to surf the Internet.

In Cisco Router Static NAT statistics, Inside Local refers to private networks. The public Ip addresses refer to as Inside Global.

What is Static NAT on Cisco Router ⇒ Video

You can watch the video below to better understand what is static NAT on Cisco Router and subscribe to our YouTube channel…

  Final Word

What is Static NAT on Cisco Router? – After briefly discussing what is Static NAT on Cisco Router, how do static NAT work? We briefly described the network topology image created in Packet Tracer. You can watch the above video to better understand Static NAT.

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