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What is NAT explain the three ways to configure NAT?
Configure the NAT address pool that contains the list of real host IP addresses to load balance to. Configure a static access list to define the virtual address that will be used for outside communication. Configure TCP server load balancing. Enter interface configuration mode for the inside interface.
What is the most popular type of NAT configuration?
The most popular type of NAT configuration, Overloading is a form of dynamic NAT that maps multiple unregistered IP addresses to a single registered IP address (many-to-one) by using different ports. It’s also known as Port Address Translation (PAT).
What is NAT in networking with example?
Stands for “Network Address Translation.” NAT translates the IP addresses of computers in a local network to a single IP address. This address is often used by the router that connects the computers to the Internet. The router can be connected to a DSL modem, cable modem, T1 line, or even a dial-up modem.
What is NAT explain with example?
NAT is the process of reassigning the single IP address space into a further one by altering the network address data in the IP header of the data packet while they are traveling through a network towards the destination node.
What are the Nat commands for a Cisco router?
On Cisco Routers, the designation uses the commands ip nat outside and ip nat inside: interface fa0/0 ip nat outside interface fa0/1 ip nat inside interface fa0/2 ip nat inside In this example, we are designating fa0/0 as the Outside interface, and both fa0/1 and fa0/2 as the Inside interfaces.
How to configure static NAT on Cisco IOS router?
To configure Static NAT on a Cisco IOS router to match the translation depicted above, first designate the Inside and Outside interfaces, then apply the following command: This will create a permanent, bidirectional mapping between the Inside Local IP 10.2.2.33 and the Inside Global IP 73.8.2.33.
How many IP addresses can a NAT router handle?
With the overload keyword, the Router will translate the source IP and Port as necessary to ensure every internal host will always have an external address they can use when speaking through the NAT router. Each IP address in the NAT Pool can allow approximately 65,000 connections from any number of internal hosts.
How to configure two interface router without NAT?
Output access lists are used to control what traffic can be sent to any given interface. Refer to Two-Interface Router without NAT Using Cisco IOS Firewall Configuration in order to configure a two interface router without NAT using the Cisco IOS® Firewall.