What is source IP address in NAT?

What is source IP address in NAT?

Source NAT is the translation of the source IP address of a packet leaving the Juniper Networks device. Source NAT is used to allow hosts with private IP addresses to access a public network.

What is source NAT Cisco?

On Cisco IOS routers we can use the ip nat inside source and ip nat outside source commands. This is the difference between the two commands: ip nat inside source: Translates the source IP address of packets that travel from inside to outside.

Why do we use destination NAT?

Destination NAT mainly used to redirect incoming packets with an external address or port destination to an internal IP address or port inside the network.

Where does the IP Nat outside source go?

On the outside interface (S1) of Router 2514X, the ping packet shows up with a Source Address (SA) of 172.16.89.32 and a Destination Address (DA) of 171.68.1.1. NAT translates the SA to the Outside Local Address 171.68.16.5 (according to the ip nat outside source static command configured on Router 2514X).

What do you look for in a destination NAT?

After NAT Source IP is 96.97.98.99 Destination IP is: 10.0.0.4 I don’t seem to be able to find the correct commands. Any assistance would be appreciated. Solved! Go to Solution. 08-16-2014 02:18 PM 08-16-2014 02:18 PM What you are looking for is in reality a static source NAT.

How to configure network address translation in Cisco router?

This document explains configuring Network Address Translation (NAT) on a Cisco router for use in common network scenarios. The target audience of this document is first time NAT users. Note: In this document, when the internet, or an internet device is referred to, it means a device on any external network.

Which is the source address of the ICMP packet?

The source address of 172.16.89.32 gets translated to 171.68.16.5. The ICMP packet is forwarded toward the destination out the Ethernet1 interface. This output shows the return packet sourced from 171.68.1.1 with a destination address of 171.68.16.5, which gets translated to 172.16.89.32.